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    Research on Gynecological Malignancies Review
    Research Progress of E3 Ubiquitin Ligase CUL2 in Cervical Cancer
    ZHANG Hong-lei, ZHAO Wei-hong
    2021, 48 (2):  121-125.  doi: 10.12280/gjfckx.20200596
    Abstract ( 1802 )   HTML ( 608 )   PDF (744KB) ( 7353 )  

    Ubiquitin is an important way of post-translational regulation of proteins. As the largest E3 ubiquitin ligase family in vivo, Cullin-Ring E3 ubiquitin ligases are widely involved in regulating the degradation of cyclins and transcription factors in vivo. CUL2, as a skeleton molecule, forms the CUL2 ubiquitin ligase complex, which plays an important role in the ubiquitination degradation of von Hippel-Lindau (VHL) tumor suppressor related receptor substrates. At present, studies have found that CUL2 is generally involved in the regulation of tumor malignant transformation mechanisms such as tumor angiogenesis, cell dynamics, immune escape, cell proliferation, and epithelial mesenchymal transition. In this paper, the mechanism of CUL2 in carcinogenesis and its relationship with cervical cancer are reviewed, aiming to provide a new target for diagnosis and treatment of cervical cancer.

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    Advances in the Mechanism of Vaginal Microbiota in Cervical Cancer
    SU Ya-ting, NIU Wen-juan, DUAN Wen-jie, WEI Fang
    2021, 48 (2):  126-130.  doi: 10.12280/gjfckx.20200753
    Abstract ( 1404 )   HTML ( 90 )   PDF (745KB) ( 7919 )  

    Cervical cancer is the most common malignant tumor in gynecology. The report "global cancer statistics 2018" shows that cervical cancer ranks fourth in morbidity and mortality in female tumors worldwide. The research on cervical cancer has always been the focus of gynecological scholars. In recent years, with the development of microbiome, the composition and changes of vaginal microbiota and the invasion of human papillomavirus (HPV), persistent infection and cervical cancer are gradually increasing. Lactobacillus dominates the normal cervicovaginal flora. It can maintain the balance of vaginal microecology, inhibit the growth of pathogenic microorganisms, and enhance the local anti-infection and anti-tumor ability of the vagina. It is expected to become a new strategy for the treatment of cervical cancer in the future. Current studies have shown that abnormal changes of vaginal microflora are associated with the occurrence and development of cervical cancer, and some vaginal bacteria play a role directly or indirectly through different mechanisms. This paper reviews the anti-cancer mechanism of vaginal microflora and its potential application in cervical cancer.

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    Cervical Canal Lesions--Diagnostic Auxiliary Examination
    LI Na, KONG Xian-chao
    2021, 48 (2):  131-134.  doi: 10.12280/gjfckx.20200859
    Abstract ( 2611 )   HTML ( 57 )   PDF (10922KB) ( 7850 )  

    In recent years, due to the popularity of cervical screening, lesions associated with human papilloma virus (HPV) infection are mostly detected in the early stage, while the incidence of non-HPV-associated cervical lesions is increasing year by year, including gastric type endocervical adenocarcinoma with poor prognosis, which is often located in the middle and upper part of the endocervical canal. Endocervical canal lesions have a very high risk of infection because of its thin single-layer columnar epithelium and folds. And it is difficult to remove. Due to the particularity of the endocervical canal anatomy, cytological examination, virological examination, conventional colposcopy, and loop electrosurgical excision procedure (LEEP) biopsy cannot guarantee the satisfaction of the examination and the completeness of the lesions. It is easy to cause missed diagnosis, so the diagnosis of cervical canal lesions needs to be more accurate. This article will review diagnostic auxiliary examinations for this type of disease, such as endocervical sampling (colposcopy-endocervical sampling, LEEP-endocervical sampling and ultrasound-endocervical sampling), hysteroscopy and MRI, which still covers some controversial aspects.

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    Research Progress of Nanoparticle Albumin Bound Paclitaxel in Neoadjuvant Chemotherapy for Cervical Cancer
    HOU Li-ying, LIU Yan, LU Peng, SUN Shu, LI Pei-ling
    2021, 48 (2):  135-138.  doi: 10.12280/gjfckx.20200802
    Abstract ( 3835 )   HTML ( 72 )   PDF (773KB) ( 7452 )  

    The incidence of cervical cancer ranks fourth in the world for female malignancies, and it is the main cause of cancer deaths among women in developing countries. In some areas where the economy and culture are relatively backward, the awareness and implementation rate of "step screening for cervical cancer" are poor, so that more than 1/3 patients are at stage ⅠB3 (FIGO stage in 2018) and above of the cervical cancer when they found it, and lost the best time for operation. The concept of neoadjuvant chemotherapy (NACT) before operation, which is in order to shrink tumors and eliminate micrometastases, has been widely accepted in many tumor species. It also has been practiced a lot in the treatment of cervical cancer in China. However, the concrete proposal of NACT for cervical cancer has not been unified yet. Paclitaxel is a commonly used drug in the chemotherapy of cervical cancer, which is highly toxic and poorly tolerated by patients. The nanoparticle albumin bound paclitaxel (Nab-paclitaxel), a small molecule nanoparticle which uses human serum albumin as the solvent, is poorly toxicity and highly efficiency. As a new formulation of paclitaxel, it is widely used. Now, this article summarizes the principles, the efficacy, adverse reactions and long-term application of Nab-paclitaxel and traditional solvent-based paclitaxel in NACT for cervical cancer.

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    Progress in Prevention of Lower Extremities Lymphedema after Treatment of Cervical Cancer
    ZHANG He, KONG Wei-min
    2021, 48 (2):  139-143.  doi: 10.12280/gjfckx.20200650
    Abstract ( 1929 )   HTML ( 58 )   PDF (769KB) ( 7454 )  

    Cervical cancer is the most common malignant tumor of the female reproductive system, with the incidence rate ranking second among female malignant tumors, which seriously threatens patients′ life and health. Lower limb lymphedema is a common complication after cervical cancer treatment, which often manifests as chronic progressive painless swelling of the affected lower limbs after treatment, accompanied by heaviness and pain and seriously affects the quality of life of patients. The application of sentinel lymph node biopsy and new radiotherapy methods has played a very positive role in the early diagnosis of lower limb lymphedema. Regular follow-up of patients after cervical cancer treatment is also helpful for early diagnosis and timely treatment of lower limb lymphoedema. Prevention of lower limb lymphoedema is of great significance to cervical cancer patients, so clinicians should pay sufficient attention to patients with lower limb lymphoedema. Early diagnosis and effective intervention should be carried out in order to delay the development of lower limb lymphedema and improve patients′ quality of life.

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    Research Progress of BRCA Gene and Diagnosis and Treatment of Ovarian Cancer
    CHEN Zhen-bo, MENG Yuan-guang
    2021, 48 (2):  144-148.  doi: 10.12280/gjfckx.20200655
    Abstract ( 1530 )   HTML ( 55 )   PDF (791KB) ( 7380 )  

    Ovarian cancer is one of the most common malignant tumors threatening women′s life and health, and its mortality rate ranks first among gynecological tumors. Breast cancer susceptibility gene (BRCA) is an important cancer susceptibility gene. It takes part in the regulation of DNA damage repair, cell growth and apoptosis, and plays an indispensable role in maintaining cell genetic stability. The mutation of BRCA gene leads to the occurrence about 80% of genetic related ovarian cancer. Through the screening and detection of BRCA gene mutation, the risk of ovarian cancer can be effectively evaluated and predicted. The incidence of ovarian cancer can be reduced through intervention and accurate treatment can be guided. BRCA gene mutations have obvious ethnic and geographic specificity, and significantly affect the incidence rate and age of onset of ovarian cancer. It is an inevitable trend to carry out multi-center research, establish related databases, and formulate diagnostic and treatment standards that meet the Chinese people.

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    The Progress of Assisted Reproductive Technology on the Risk of Ovarian Malignant and Borderline Tumors
    WANG Xia, ZHU Shu, ZHANG Hui-yuan, XU Wei, WANG Xiu-li
    2021, 48 (2):  148-153.  doi: 10.12280/gjfckx.20200604
    Abstract ( 1415 )   HTML ( 58 )   PDF (794KB) ( 7391 )  

    The development of assisted reproductive technology (ART) solves the fertility problems of infertile couples, and has a positive effect on human and social progress. However, the medicines commonly used in ART, such as ovary stimulation drugs or progestins, theoretically have the potential risk of inducing female malignant tumors. This article comprehensively reviews 42 clinical studies on the correlation between ART and malignant and/or borderline ovarian tumors reported in English from January 1990 to June 2020, systematically elaborates the risk of ART and fertility drugs on ovary cancer and borderline ovarian tumors. Most of these studies (27/42, 64.3%) showed that ART does not increase the risk of ovary cancer and BOT, but there are also some studies (15/42, 35.7%) affirmed the potential risk of ART on ovary cancer or BOT, especially the researches in the recent 5 years (6/10, 60.0%). The correlation between ART and ovary cancer and BOT need long-term, large sample follow-up and evaluation.

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    Factors Related to Enhanced Radiosensitivity of Recurrent Epithelial Ovarian Cancer
    YU Xiao-yun, LI Rui-yan, HE Ling-ling, FENG Shu-jie, WANG Hai-lin
    2021, 48 (2):  154-158.  doi: 10.12280/gjfckx.20200534
    Abstract ( 1599 )   HTML ( 50 )   PDF (859KB) ( 7377 )  

    Ovarian cancer has an insidious onset, and most patients are diagnosed in the middle and advanced stages. The first-line treatment of ovarian cancer is still based on surgery, supplemented by chemotherapy and radiotherapy. Ovarian cancer has a high recurrence rate, with more than 80% of recurrences even after complete remission after treatment. Radiotherapy can effectively control symptoms, relieve tumor development, improve quality of life and prolong progression-free survival for recurrent epithelial ovarian cancer, advanced lesions and lesions at special sites (such as pelvic wall, lymph nodes, etc.). However, due to the resistance of ovarian cancer cells to radiation, the efficacy of radiotherapy for ovarian cancer is affected. Therefore, improving the radiosensitivity of ovarian cancer cells can improve the efficacy of radiotherapy for ovarian cancer. The aim of this study was to review the factors associated with enhanced radio sensitivity in recurrent epithelial ovarian cancer.

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    Research on Gynecological Malignancies Original Article
    Diagnostic Value of Colposcopy for Detecting Cervical Intraepithelial Neoplasia: A Meta-Analysis
    XUE Peng, WANG Fu-yuan, LI Qing, JIANG Yu
    2021, 48 (2):  159-164.  doi: 10.12280/gjfckx.20200748
    Abstract ( 1764 )   HTML ( 60 )   PDF (958KB) ( 7331 )  

    Objective: To assess the agreement between colposcopic diagnosis and histopathology from Chinese doctors, and the colposcopic diagnostic ability of cervical intraepithelial neoplasia (CIN)2+ cases for providing a reference on appropriate choice of guided colposcopy-biopsy threshold for different hospital levels. Methods: By using the method of systematic review (non-traditional way), 18 published literatures from December 2005 to May 2020 in China, including clinical information of 11 973 patients from cervical department of hospitals were analyzed to obtain hospital grades, colposcopic diagnosis and histopathology and to evaluate its usefulness in detecting CIN2+ cases under different biopsy thresholds. Results: The overall agreement between colposcopy and histopathology for 11 973 patients was 68.35%, the lowest was 53.33%, the highest was 86.87%. The agreement in 14 tertiary hospitals of 9 419 patients was 70.22%, higher than 61.43% in 4 primary hospitals of 2 554 patients. There was statistically difference among both hospital levels(P<0.000 1). Moreover, when the biopsy threshold was LSIL+, the overall sensitivity and specificity of CIN2+ detection in Chinese hospitals were 86.11% and 64.72%; the sensitivity and specificity of CIN2+ detection were 87.87% and 65.60% respectively in the tertiary hospitals, higher than 80.09% and 61.39% in primary hospitals with statistical significance(P<0.000 1). When the biopsy threshold was HSIL+, the overall sensitivity and specificity of CIN2+ detection were 68.37% and 94.63%; the sensitivity and specificity of CIN2+ detection were 70.19% and 95.51%, respectively in tertiary hospitals, higher than 62.16% and 91.30% in primary hospitals with statistical significance(P<0.000 1). Conclusions: The overall agreement between colposcopy and histopathology in Chinese hospitals should be improved, and there is a wide range of variation, suggesting different diagnostic levels between both hospitals in China. Using LSIL+ as the biopsy threshold is a highly sensitive indicator for detecting CIN2+. Considering the lack of medical resources and diagnostic ability of colposcopists in China, it is suggested that LSIL+ as the biopsy threshold to guide cervical biopsy for detecting more CIN2+ and reducing unnecessary missed cases may be of more practical significance.

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    Research on Gynecological Malignancies Case Report
    Fallopian Tube Carcinosarcoma and Endometrial Cancer: A Case Report and Literature Review
    SUN Sen-sen, LIU Ying-ying, LYU Rong-rong, FU Li
    2021, 48 (2):  165-168.  doi: 10.12280/gjfckx.20200546
    Abstract ( 1567 )   HTML ( 62 )   PDF (723KB) ( 7363 )  

    Fallopian tube carcinosarcoma, also known as malignant embryonic leaf mixed tumor or malignant mixed müllerian tumor (MMMT), is very rare clinically, with high malignancy and poor prognosis. The clinical symptoms are not typical, such as irregular vaginal bleeding, abdominal pain or abdominal distention similar to other gynecological tumors, auxiliary examination is not specific, and preoperative misdiagnosis or missed diagnosis is easy. The treatment is mainly surgery, followed by platinum-based combined chemotherapy. This paper reports a case of fallopian tube carcinosarcoma and endometrial cancer, and increase the recognition of fallopian tube carcinosarcoma by reviewing literature.

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    Obstetrics Physiology & Obstetric Disease Review
    Research Progress on the Relationship between Endocan and Pre-Eclampsia
    SUI Xin-shuang, SUN Jing-xia, YUAN Jing, CAO Shan, DAI Chen-guang
    2021, 48 (2):  169-173.  doi: 10.12280/gjfckx.20200798
    Abstract ( 1353 )   HTML ( 78 )   PDF (790KB) ( 7423 )  

    Pre-eclampsia is a unique disease during pregnancy, and its pathogenesis is the research focus of many scholars. Vascular endothelial cell dysfunction is one of the main pathophysiological changes generally recognized. As a new type of biomarker for endothelial dysfunction, endothelial cell-specific molecule (endocan) can protect endothelium from the migration and proliferation of inflammatory cells. Vascular system diseases, tumors, sepsis, etc. have been extensively studied and become effective targets for diagnosis and treatment of diseases. Recent studies have found that endocan is differentially expressed in the serum and placenta of patients with pre-eclampsia, suggesting that endocan may be involved in the pathogenesis of pre-eclampsia. Therefore, in-depth study of the relationship between endocan and pre-eclampsia will help reveal the pathogenesis of pre-eclampsia and provide a basis for early prevention and treatment of the disease. This article reviews the research progress of the relationship between endocan and pre-eclampsia.

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    Obstetrics Physiology & Obstetric Disease Review
    Research Progress of Microorganisms and Pre-Eclampsia
    ZHANG Ti-shuo, WANG Ling, WANG Yi-nan, ZHOU Shun-qing, DUAN Xue-feng, HAN Li-ying
    2021, 48 (2):  173-177.  doi: 10.12280/gjfckx.20200900
    Abstract ( 1256 )   HTML ( 80 )   PDF (734KB) ( 7610 )  

    Pre-eclampsia (PE) is a multisystem pregnancy complication associated with maternal and fetal mortality and morbidity worldwide. Abnormal remodeling of spiral arteries in placenta, placental defects, oxidative stress at maternal-fetal interface, inflammation in maternal circulation and disturbance of angiogenesis are the main causes of PE. These events lead to systemic diffuse endothelial cell dysfunction, which is the basic pathophysiological feature of PE. Microorganisms and their derivatives may trigger infection and inflammatory responses by producing antigens and other inflammatory factors. The bacterial community in the mouth, intestines, vagina, cervix and uterus of the mother, as well as the microflora of placenta and amniotic fluid may be related to the development of PE. We reviewed the mechanism and pathogenicity of bacteria and their derivatives in the development of PE and emphasized the effect of a group of maternal microbiota changes (flora imbalance) on the pathogenesis of PE.

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    The Value of Placenta Protein 13 in Early Prediction and Treatment of Pre-Eclampsia
    YANG Yu-ni, YANG Chao, WANG Qu-yuan
    2021, 48 (2):  178-181.  doi: 10.12280/gjfckx.20200776
    Abstract ( 1872 )   HTML ( 83 )   PDF (701KB) ( 7473 )  

    Pre-eclampsia, a pregnancy-related condition characterized by hypertension and proteinuria after 20 weeks of gestation, remains a major threat to maternal and infant outcomes globally. If this disease is not controlled, it may lead to maternal HELLP syndrome, eclampsia, placental abruption and other complications, some of which may lead to fetal intrauterine growth restriction, and even cause fetal death and serious adverse pregnancy outcomes in utero. However, currently there is no effective biomarker for early prediction of pre-eclampsia. Most scholars believe that pre-eclampsia is the result of a multi-factorial effect mainly due to damage to the placenta, considering the placenta protein 13 (PP13) as one of the placenta protein specificity, high expression in placenta nourish cells, therefore, this review combines the latest literatures at home and abroad, introduces the PP13 in maternal pregnancy physiological factors and its effect in the development process of pre-eclampsia, discusses the PP13 as pre-eclampsia early prediction of potential markers and its application prospect in terms of targeted therapy.

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    Study on the Association between Hypertensive Disorders Complicating Pregnancy and Fetal Growth Restriction
    LI Jia-wen, ZHENG Xiao-min, YING Hao, HUANG Lu
    2021, 48 (2):  182-185.  doi: 10.12280/gjfckx.20200781
    Abstract ( 1468 )   HTML ( 64 )   PDF (733KB) ( 7517 )  

    Hypertensive disorders complicating pregnancy(HDCP) is a group of diseases with pregnancy and high blood pressure at the same time, which is unique during the gestation period. This group of diseases are characterized by high blood pressure, proteinuria and edema. It can lead to higher risk of adverse conditions such as heart failure, eclampsia, postpartum hemorrhage or placental abruption in pregnant women. And it is also accompanied with multiple organ damage, affect mother and her baby′s health seriously. Fetal growth restriction (FGR) is a failure of fetus to reach its growth potential due to genetical or maternal placenta environmental factors. FGR is the second reason of perinatal death in China, with an incidence of 6.39%. The incidence of HDCP and FGR is high to 20%-30%, however, the pathological mechanism of the relationship between them is not clear. Existing studies generally believe that hypertension during pregnancy combined with fetal intrauterine growth restriction, may be affected by vascular endothelial growth factor (VEGF), placental growth factor (PlGF), soluble fms-like tyrosine kinase-1 (sFlt-1) and many other cytokines, which are related to placental insufficiency.

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    Progress of Prediction, Diagnosis and Treatment in Twin-Twin Transfusion Syndrome
    ZHAO Xiao-min, CHEN Xu
    2021, 48 (2):  186-190.  doi: 10.12280/gjfckx.20200676
    Abstract ( 1729 )   HTML ( 110 )   PDF (750KB) ( 7526 )  

    Twin-twin transfusion syndrome (TTTS) is a devastating complication of monochorionic twin pregnancy and remains a major challenge for worldwide fetal medicine specialists. In TTTS, intertwin transfusion through vascular anastomoses in the shared placenta leads to severe hemodynamic imbalance, which is the main cause of perinatal death. Approximately 10%-15% of all monochorionic diamniotic twins develop TTTS, which usually occurs between the 16th and 26th weeks of gestation, the type, number and diameter of these anastomoses determines the risk profile. Advancements in antenatal management have led to increased perinatal survival and a decreased incidence of neonatal complications, including brain injury and neurodevelopmental impairment. Therefore, early detection, rigorous monitoring, appropriate treatment, prolonging the gestational age as much as possible, and choosing the right time to terminate the pregnancy are the keys to reducing the mortality of monochorionic diamniotic twin. This article analyzes the pathogenesis, prediction, diagnosis and treatment of TTTS, and summarizes the long-term nervous system damage of surviving fetuses after laser treatment.

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    Obstetrics Physiology & Obstetric Disease Review
    Research Progress on the Relationship between Folate Metabolism Disorder and Recurrent Spontaneous Abortion
    YUAN Bi-bo, WANG Qiu-xia, LI Zeng-yan, MA Yan-hong
    2021, 48 (2):  191-195.  doi: 10.12280/gjfckx.20200659
    Abstract ( 1734 )   HTML ( 58 )   PDF (873KB) ( 7790 )  

    For the definition of recurrent spontaneous abortion, different countries and regions have not reached a unified standard in terms of the number of abortions and gestational weeks of abortion. Its etiology is complex, which has been a hot topic for research in recent years. With the deepening of research, many pathogenic factors have been identified, but the etiology of many patients is still unclear, which brings great difficulties to clinical diagnosis and treatment. As a carrier of one carbon unit, folic acid is an important material for nucleic acid synthesis and DNA repair. Its metabolism abnormality can lead to related diseases by interfering with DNA methylation and synthesis, affecting homocysteine level. The folate metabolic pathway is regulated by related enzyme activities, and there are genetic polymorphisms in key enzyme genes, which affect the process of folic acid metabolism by changing the enzyme activity. Recently, more and more studies have confirmed that abnormal folic acid metabolism can increase the risk of recurrent spontaneous abortion, and folic acid intervention can improve the pregnancy outcome and reduce the incidence of recurrent abortion, but the mechanism is still controversial. This article reviews the research progress on the correlation between folic acid metabolism disorder and recurrent spontaneous abortion, and to provide help for the diagnosis and treatment of recurrent spontaneous abortion.

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    Obstetrics Physiology & Obstetric Disease Original Article
    The Study of Effect of "Pregnant Women School" Courses on Neonatal Outcomes During Pregnancy
    XIA Yu-pei, QIN Zhao-jing, WANG Hua, LIU Chuan-li, RAN Li-wei, DONG Qu-long, SHI Hai-xia
    2021, 48 (2):  196-200.  doi: 10.12280/gjfckx.20200962
    Abstract ( 1765 )   HTML ( 46 )   PDF (868KB) ( 7512 )  

    Objective: To analyze the effect of "pregnant women school" courses during pregnancy on the neonatal outcomes. Methods: Patients who were hospitalized in the Obstetrics Department of Characteristic Medicine Center of the Chinese People′s Armed Police Forces from October 2018 to August 2019 with full-term single pregnancy and regular prenatal examination during pregnancy were retrospectively analyzed, including the observation-high group (53 women who participated in more than 7 courses) , observation-middle group (56 women who participated in from 4 to 6 courses) , observation-low group (48 women who participated in less than 3 courses) , and the control group (69 women who did not participated in any course). The neonatal outcomes including neonatal weight, umbilical artery blood pH, umbilical artery lactate level, postnatal Apgar scores, meconium aspiration syndrome (MAS) rates, hypoxic ischemic encephalopathy (HIE) rates, necrotizing enteritis (NEC) rates and rates of transfer to neonatal department were compared. Results: The high, middle and low groups in the observation groups were lower than the control group in neonatal weight and neonatal umbilical artery blood lactic acid level, the difference was statistically significant (P<0.05). The pH of umbilical artery blood and Apgar score of 1 min after birth in high and middle groups in the observation groups were higher than those of control group, the difference was statistically significant (P<0.05). There was no significant difference in Apgar score at 5 min after birth, Apgar score at 10 min after birth, MAS, HIE, NEC rate and neonatal transfer rate among the four groups (P>0.05). Conclusions: The courses of "pregnant women school" during pregnancy can improve neonatal outcomes including neonatal weight, umbilical artery blood pH, umbilical artery lactate level, and Apgar score of 1 min after birth, and therefore, it is worth carrying out extensively during pregnancy.

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    Obstetrics Physiology & Obstetric Disease Case Report
    Pregnancy with Cervical Cancer: A Case Report
    LI Rui-yan, YU Xiao-yun, HE Ling-ling, FENG Shu-jie, WANG Hai-lin
    2021, 48 (2):  200-202.  doi: 10.12280/gjfckx.20200733
    Abstract ( 1666 )   HTML ( 88 )   PDF (11014KB) ( 7777 )  

    Pregnancy with cervical cancer is relatively rare, early clinical manifestations are not typical. Due to the lack of awareness of gynecological tumor screening, it is easy to be confused with premature rupture of membranes, threatened premature delivery and other diseases, lead to treatment delay. There is no mature and standardized treatment for cervical cancer in pregnancy, especially the treatment of cervical cancer in the mid trimester of pregnancy is controversial. It is necessary to formulate individualized comprehensive treatment plan according to disease examination, staging, fetal development and pregnant women′s pregnancy expectation. This is a retrospective analysis of a case of second trimester pregnancy with cervical cancer who was admitted to the hospital with vaginal bleeding, after failure of conservative treatment, cesarean section was performed to terminate the pregnancy. We report this case and review the relevant literature, hoping to provide experience for the diagnosis and treatment of the disease.

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    Gynecological Disease & Related Research Review
    The Central Mechanism of Endocrine Disorder Induced by Androgen in PCOS Patients
    XU Qian, LIU Bin, WANG Dao-juan, WANG Yong
    2021, 48 (2):  203-208.  doi: 10.12280/gjfckx.20200795
    Abstract ( 1567 )   HTML ( 49 )   PDF (850KB) ( 7384 )  

    Characterized by excess androgen and insulin resistance, polycystic ovary syndrome (PCOS) is a common endocrine disorder with follicular atresia and stasis. Though the etiology and pathogenesis of PCOS remains unclear, androgen is now thought to play an important role in the onset of PCOS. Early in embryonic development, neuroendocrine dysfunction induced by excess androgen affects the hypothalamic-pituitary-ovary axis owing to defects of steroid hormone negative feedback pathway and abnormal activity of gonadotropin releasing hormone neurons, resulting in the downstream consequence in target organs. The key mechanism probably is the abnormal steroid hormone feedback and the increased activity of gonadotropin-releasing hormone neurons. This review discusses the major evidence and conceivable mechanisms by which neuroendocrine dysfunction induced by excess androgen at early developmental points originates PCOS, and prospects the potential clinical applications for preventing and intervening PCOS.

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    Gynecological Disease & Related Research Review
    Research Progress of Vaginal Cone in Treatment of Female Stress Urinary Incontinence
    SHI Jin-ming, ZHANG Yi
    2021, 48 (2):  208-212.  doi: 10.12280/gjfckx.20200578
    Abstract ( 2766 )   HTML ( 45 )   PDF (1155KB) ( 7780 )  

    Vaginal cone is a kind of equipment used for pelvic floor muscle training. It is often used in conservative and surgical treatment of stress urinary incontinence (SUI) before and after surgery. The operation is simple and safe. Different from other SUI treatment methods, vaginal cone can be used by patients at home for pelvic floor exercises under the guidance of doctors, reducing treatment costs and helping patients improve their quality of life. In addition, the preventive use of vaginal cone may have a good effect on high-risk groups of SUI. Current studies have found that vaginal cone, as a non-invasive treatment method, has a lasting effect on SUI. However, there is no conclusion that vaginal cone is better than other methods, and which therapy has the best effect in the field of conservative treatment of SUI is controversial. Vaginal cone combined with Kegel exercises, biofeedback, electrical stimulation and other methods may increase the probability of SUI recovery, and it is suitable to be included in the combined treatment plan of SUI. This article reviews the basic principles of vaginal cone, methods of use, applicable population, treatment methods, application status, and the efficacy of vaginal cone in the treatment of SUI.

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    Research Progress of High Uterosacral Ligament Suspension in the Treatment of Middle Compartment Defect
    WANG Qian, XIA Zhi-jun
    2021, 48 (2):  213-218.  doi: 10.12280/gjfckx.20200493
    Abstract ( 1870 )   HTML ( 44 )   PDF (834KB) ( 7166 )  

    Middle compartment defect seriously affects the quality of life with women, which is a common type of pelvic organ prolapse. At present, clinically surgical approaches for middle compartment defect is numerous, but lack a unified selection standard for surgical methods. High uterosacral ligament suspension is performed by suturing the sacral ligament 1-3 cm above the ischial spine level, suspending the vaginal vault, and reconstructing the pubocervical fascia and the rectovaginal fascia. It has been widely used as a technique that repairs middle compartment defect with autogenic tissues, because it can restore apical support structure better and has less complications, lower reoperation rates and low cost. This article is a review about procedures, therapeutical effect and perioperative situation of different surgical approaches for high uterosacral ligament suspension.

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    Advantages and Complications of Transvaginal Mesh Surgery
    XIANG Xue-bing, HU Qing, XIA Zhi-jun
    2021, 48 (2):  219-223.  doi: 10.12280/gjfckx.20200581
    Abstract ( 3786 )   HTML ( 50 )   PDF (736KB) ( 7996 )  

    With the increasing aging of the society, pelvic organ prolapse (POP) has become a common disease of elderly women.Transvaginal mesh (TVM) surgery, as a kind of minimally invasive surgery through natural channel for the treatment of POP, with the advantages of anatomical reduction, functional recovery and long-term curative effect, is widely used in recent 20 years. However, it has been warned twice by the US Food and Drug Administration (FDA) for mesh-related complications. The International Urogynecological Association/International Continence Society (IUGA/ICS) classification of mesh-related complications includes:exposure and erosion, hematoma, bladder, urethral and bowel injury, infection, chronic pelvic pain, and de novo dyspareunia. Mesh exposure and erosion are most common complications. It is worth thinking about whether transvaginal mesh should be used or not in China.

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    Gynecological Disease & Related Research Review
    Advances in the Clinical Etiology, Diagnosis and Therapy of Intrauterine Adhesions
    XU Qian, WANG Yi-yi, ZANG Chun-yi
    2021, 48 (2):  224-229.  doi: 10.12280/gjfckx.20200820
    Abstract ( 1660 )   HTML ( 46 )   PDF (855KB) ( 7374 )  

    Intrauterine adhesion(IUA) is an endometrial injury disease caused by various pathogenic factors, which seriously affects female genital health and reproductive function. Intrauterine operation during pregnancy is the main cause of IUA. Furthermore, intrauterine infection and less perfusion of endometrial blood flow may also be closely related to the onset and progress of the disease. Hysteroscopy is the gold standard for clinical diagnosis and treatment of IUA. Transcervical resection of adhesion is currently an effective method to deal with IUA. Postoperative adjuvant treatment is used to prevent adhesion recurrence, but there is no consensus on the best diagnosis and treatment plan for this disease. This article reviews the clinical etiology, diagnosis and therapy of IUA, aiming at providing further evidence for its early detection and prevention, precise diagnosis and timely treatment, so as to avoid severe damage to the uterine endometrium, and provides a reference for clinical decision-making.

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    Gynecological Disease & Related Research Original Article
    Investigation and Analysis of Sexual Function in Women with Polycystic Ovary Syndrome and Their Risk Factors for Sexual Dysfunction
    TIAN Xuan-xuan, RUAN Xiang-yan, DU Juan, JU Rui, CHENG Jiao-jiao
    2021, 48 (2):  230-234.  doi: 10.12280/gjfckx.20200771
    Abstract ( 2106 )   HTML ( 46 )   PDF (892KB) ( 7476 )  

    Objective: To investigate the sexual function in women with polycystic ovary syndrome (PCOS) and to explore their risk factors for sexual dysfunction. Methods: This cross-sectional study was performed with women with PCOS, who referred to Department of Gynecological Endocrinology, Beijing Obstetrics and Gynecology Hospital from January 2019 to December 2019. The Chinese version of FSFI (Female Sexual Function Index) was used to evaluate the sexual functions, with additional questions which may have relationship to sexual life were determined including age, height, weight, waist and hip circumference, clinical manifestations of hyperandrogenism, educational background, occupation, income level, contraception, desire for pregnancy, life and work stress and aerobic exercise. Results: A total of 946 PCOS women participated in the study and 712(75.26%) women were included in the analyses after screening. The mean total FSFI score was 24.19±2.87. According to FSFI definitions (cut-off score 26.55), 79.49% of women were at risk of FSD. Based on domain scores, according to an arbitrary score of 33% of the maximum score in each domain, 9.41%, 5.34%, 2.67%, 2.39%, 1.69% and 0.42% of women were considered at high risk of dysfunction for lubrication, orgasm, desire, pain, arousal, and satisfaction respectively. Desire for pregnancy, contraception, BMI, clinical manifestation of hyperandrogenism, and age were significantly associated with FSD in PCOS women by multiple linear regression analysis. Conclusions: PCOS patients are at high risks for FSD. Clinicians should pay attention to and manage these risk factors of FSD for PCOS women for long-term.

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    Gynecological Disease & Related Research Case Report
    A Case Report of Uterus Sacrum Fixation with Y Shape Mesh in Transumbilical Single Port Laparoscopic
    WANG Dong-liang, LI Qing, HU Bin, DENG Ke-hong, HUANG Dong-mei
    2021, 48 (2):  235-237.  doi: 10.12280/gjfckx.20200775
    Abstract ( 2102 )   HTML ( 45 )   PDF (10011KB) ( 7769 )  

    This paper reports a case of "Y" reticulosacral fixation of uterus by transumbilical single hole laparoscopy. After the completion of intravenous general anesthesia, the cystolithotomy position was taken and the sterile paving towel was laid. The operation was completed by transvaginal cervical partial amputation and transumbilical single-hole laparoscopic hysterosacral fixation, with the operation time of 300 min and bleeding of 50 mL. The patients had no intraoperative complications, and the postoperative follow-up time was 1 year. Subjective healing was achieved. The total score of pelvic floor distress inventory short form 20 was 0.79 before surgery, 0.17 6 months after surgery, and 0.17 1 year after surgery. Single-arch laparoscopic uterine "Y" net sacral fixation surgery feasibility is high, less trauma, pain is lighter, and security is more ideal. It is compared traditional laparoscopy or laparotomy with a strong advantage, not only retaining the uterus at the same time, but also reducing the risk of exposure to mesh, providing a new way of treatment for patients and the scientific basis for the related research and development.

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    A Case Report of Polypoid Endometriosis Mimicking Cervical Malignancy Many Times
    ZHENG Xiao-hua, LIN Chao-qin, ZHAO Rong, XU Ying, SONG Yan-feng, WANG Cheng-you
    2021, 48 (2):  238-240.  doi: 10.12280/gjfckx.20200707
    Abstract ( 1621 )   HTML ( 45 )   PDF (10007KB) ( 7532 )  

    Polypoid endometriosis is a benign and rare type of endometriosis. We report a case of polypoid endometriosis of the cervix with complex hyperplasia of endometrium. A 38-year-old woman was referred due to the continuous vaginal bleeding, about 4 cm×5 cm×3 cm cervical mass and a high serum CA125 level. MRI showed cervical malignancy. After four seems different described pathological reports and two operations, finally the diagnosis of polypoid endometriosis was made on permanent section. PEM is a part of the differential diagnosis for malignant tumors in women, and should be based on the history and tumor markers.

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