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https://www.readbyqxmd.com/read/28735441/pathology-of-neuroendocrine-tumours-of-the-female-genital-tract
#1
REVIEW
Brooke E Howitt, Paul Kelly, W Glenn McCluggage
Neuroendocrine tumours are uncommon or rare at all sites in the female genital tract. The 2014 World Health Organisation (WHO) Classification of neuroendocrine tumours of the endometrium, cervix, vagina and vulva has been updated with adoption of the terms low-grade neuroendocrine tumour and high-grade neuroendocrine carcinoma. In the endometrium and cervix, high-grade neoplasms are much more prevalent than low-grade and are more common in the cervix than the corpus. In the ovary, low-grade tumours are more common than high-grade carcinomas and the term carcinoid tumour is still used in WHO 2014...
September 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28728581/a-gestational-choriocarcinoma-of-the-ovary-diagnosed-by-dna-polymorphic-analysis-a-case-report-and-systematic-review-of-the-literature
#2
Nan Jia, Yan Chen, Xiang Tao, Enzhi Ou, Xin Lu, Weiwei Feng
BACKGROUND: Choriocarcinoma of the ovary is rare. This tumor can arise from gestational tissue or pure germ cells of the ovary, the former results in gestational choriocarcinoma. The clinical characteristics and histology of both tumor types are identical, differentiation of these tumors is necessary for effective treatment. One strategy for the differentiation of these tumors types is to identify the presence of paternal DNA by DNA polymorphic analysis. CASE PRESENTATION: In the present case, a 27-year-old patient with a history of amenorrhea, lower abdominal pain and vaginal bleeding received a laparoscopic dissection of cystic mass of the right ovary according to an initial diagnosis of ectopic pregnancy...
July 20, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28725636/epithelial-to-mesenchymal-transition-in-the-female-reproductive-tract-from-normal-functioning-to-disease-pathology
#3
REVIEW
Olena Bilyk, Mackenzie Coatham, Michael Jewer, Lynne-Marie Postovit
Epithelial-to-mesenchymal transition (EMT) is a physiological process that is vital throughout the human lifespan. In addition to contributing to the development of various tissues within the growing embryo, EMT is also responsible for wound healing and tissue regeneration later in adulthood. In this review, we highlight the importance of EMT in the development and normal functioning of the female reproductive organs (the ovaries and the uterus) and describe how dysregulation of EMT can lead to pathological conditions, such as endometriosis, adenomyosis, and carcinogenesis...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28724271/comparison-of-histopathologic-features-of-endometrial-cancer-based-on-menopausal-status-and-safety-of-ovarian-preservation-in-premenopausal-women
#4
Ozgur Kan, Aysegul Alkilic, Elif Nazlı Cetindag Aydın, Kazibe Koyuncu, Salih Taskin, Firat Ortac
The aim of this study was to investigate the frequency of coexisting ovarian malignancy and to determine whether ovarian preservation is feasible in premenopausal endometrial cancer (EC) patients. The data of 251 patients with endometrioid type endometrial cancer were retrospectively reviewed. We classified patients into two groups based on menopausal status. Information regarding patient age, preoperative and intraoperative evaluations, pathology reports, and follow-up results were abstracted from medical records...
May 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28709873/deregulation-of-wnt2-fzd3-%C3%AE-catenin-pathway-compromises-the-estrogen-synthesis-in-cumulus-cells-from-patients-with-polycystic-ovary-syndrome
#5
Gu-Yuan Qiao, Bing-Wei Dong, Chao-Juan Zhu, Chang-You Yan, Bi-Liang Chen
Mechanistic insight into estrogen deficiency by polycystic ovary syndrome (PCOS) remains a longstanding challenge in reproductive medicine. Recent advance suggest that Wingless-type MMTV integration site family members (WNTs), in concert with its Frizzled (FZD) receptors, regulate normal folliculogenesis, luteogenesis and ovarian steroidogenesis. However, no studies have so far investigated any causality between WNT-FZDs interactions and disrupted estrogen synthesis under certain pathological conditions. Here, we show that (i) FZD3 expression was significantly up-regulated in the cumulus cells (CCs) from PCOS patients...
July 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28709830/pathologic-findings-in-breast-fallopian-tube-and-ovary-specimens-in-non-brca-hereditary-breast-and-or-ovarian-cancer-syndromes-a-study-of-18-patients-with-deleterious-germline-mutations-in-rad51c-bard1-brip1-palb2-mutyh-or-chek2
#6
J Kenneth Schoolmeester, Ann M Moyer, McKinsey L Goodenberger, Gary L Keeney, Jodi M Carter, Jamie N Bakkum-Gamez
Germline BRCA mutations account for a significant proportion of genetic/familial risk of breast and ovarian cancer (GBOC) susceptibility, but a broader spectrum of GBOC susceptibility genes has emerged in recent years. Genotype to phenotype correlations are known for some established forms of GBOC, however whether such correlations exist for less common GBOC variants is unclear. We reviewed our institution's experience with non-BRCA GBOC, looking specifically for trends in pathologic and clinical features. Eighteen women with deleterious germline mutations in RAD51C (5 patients), BARD1 (1 patient), BRIP1 (2 patients), PALB2 (3 patients), MUTYH (2 patients) or CHEK2 (5 patients) were identified between January 2011 and December 2016...
July 11, 2017: Human Pathology
https://www.readbyqxmd.com/read/28700436/malignant-female-adnexal-tumor-of-probable-wolffian-origin-case-report-and-literature-review
#7
Shuhui Hong, Jing Cui, Li Li, Joseph Buscema, Casandra Liggins, Wenxin Zheng
Although most female adnexal tumors of probable Wolffian origin have a benign biologic behavior, occasional cases have exhibited malignant potential. We encountered a 50-yr-old woman with an uncommon female adnexal tumors of probable Wolffian origin, which involved bilateral ovaries, invaded the ipsilateral fallopian tube, and extended to the uterine serosa. The initial histopathologic presentation caused significant confusion in pathologic diagnosis. Multiple differential diagnoses including ovarian endometrioid carcinoma, Sertoli cell tumor, and metastasis from nongynecologic organs were considered...
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28690098/m%C3%A3-llerian-adenosarcoma-of-the-urinary-bladder-clinicopathologic-and-immunohistochemical-features-with-novel-genetic-aberrations
#8
Joseph Sanfrancesco, Sean R Williamson, Jennifer B Kum, Shaobo Zhang, Mingsheng Wang, Antonio Lopez-Beltran, Rodolfo Montironi, Thomas A Gardner, Liang Cheng
BACKGROUND: Müllerian adenosarcoma is a biphasic neoplasm most commonly occurring in the uterus and less frequently of the ovary. It has been rarely described to occur in other sites such as peritoneum and liver. PATIENTS AND METHODS: In this study, we report the clinicopathologic, immunohistochemical and molecular features of a primary Müllerian adenosarcoma of the urinary bladder in a 62-year-old woman. To our knowledge, this is the first report of detailed pathologic characterization of Müllerian adenosarcoma primary to the urinary bladder in the literature...
May 25, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28687450/role-of-androgens-in-the-ovary
#9
REVIEW
K A Walters, D J Handelsman
It has been well established for decades that androgens, namely testosterone (T) plays an important role in female reproductive physiology as the precursor for oestradiol (E2). However, in the last decade a direct role for androgens, acting via the androgen receptor (AR), in female reproductive function has been confirmed. Deciphering the specific roles of androgens in ovarian function has been hindered as complete androgen resistant females cannot be generated by natural breeding. In addition, androgens can be converted into estrogens which has caused confusion when interpreting findings from pharmacological studies, as observed effects could have been mediated via the AR or estrogen receptor...
July 4, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28678959/evaluation-of-ovarian-structures-using-computerized-microtomography
#10
Fernanda Paulini, Sacha B Chaves, José Luiz J P Rôlo, Ricardo B DE Azevedo, Carolina M Lucci
Visualization and clear understanding of the ovarian structures are important in determining the stage of oestrus, helping to diagnose several pathologies and supporting advances in reproductive technologies. In this research, computerized microtomography (microCT) was used to explore and characterize the ovarian structure of seven mammalian species. Ovaries of rats, female dog, queens, cows, mares, sows and a female donkey were used. After microCT scanning, the same samples were prepared for histologic evaluation, used here as a validation criterion...
June 29, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28678326/expression-levels-of-pten-hif-1%C3%AE-and-vegf-as-prognostic-factors-in-ovarian-cancer
#11
W Shen, H-L Li, L Liu, J-X Cheng
OBJECTIVE: Epithelial ovarian cancer is associated with high mortality, mostly because of delayed diagnosis, necessitating the search for novel diagnostic and prognostic markers. Here we evaluated the association between expression levels of phosphatase and tensin homolog (PTEN), hypoxia-inducible factor (HIF)-1α, and vascular endothelial growth factor (VEGF), and ovarian cancer. PATIENTS AND METHODS: Expressions of these proteins were assessed by immunohistochemistry in 21 specimens of normal ovary tissues and 76 specimens of ovarian cancer tissues...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28668903/laparoscopically-removed-streak-gonad-revealed-gonadoblastoma-in-frasier-syndrome
#12
Kazunori Hashimoto, Y U Horibe, Jiro Ezaki, Toshiyuki Kanno, Nobuko Takahashi, Yoshika Akizawa, Hideo Matsui, Tomoko Yamamoto, Noriyuki Shibata
BACKGROUND: Frasier syndrome (FS) is characterized by gonadal dysgenesis and progressive nephropathy caused by mutation in the Wilm's tumor gene (WT1). We report a case of FS in which diagnosis was based on amenorrhea with nephropathy, and laparoscopically-removed streak gonad which revealed gonadoblastoma. CASE REPORT: At the age of 3 years, the patient developed nephrotic syndrome. This later became steroid-resistant and, by the age of 16 years, had progressed to end-stage renal failure with peritoneal dialysis...
July 2017: Anticancer Research
https://www.readbyqxmd.com/read/28665382/-the-influence-of-the-comprehensive-spa-and-health-resort-based-treatment-on-the-system-of-hormonal-regulation-in-the-women-presenting-with-gynecological-pathology-depending-on-the-plasma-prolactin-level
#13
N N Kaladze, O A Boldyreva
AIM: The objective of the present study was to evaluate the influence of the comprehensive spa and health resort-based treatment on the system of hormonal regulation in the women presenting with bacterial vaginosis and concomitant chronic inflammatory diseases of the pelvic organs depending on the plasma prolactin level. MATERIAL AND METHODS: We investigated the indicators of hormonal regulation in 186 women suffering from bacterial vaginosis and concomitant chronic inflammatory diseases of the pelvic organs depending on the level of prolactin in blood plasma...
2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/28664411/-the-2016-update-of-the-s3-guideline-for-malignant-tumours-of-the-ovary-role-of-pathology-in-diagnosis-therapy-and-clinical-management-of-epithelial-tumours
#14
A Staebler, D Mayr
Tumor stage, residual postoperative tumor, histological type and grading are considered among the main prognostic parameters in the consensus-based recommendations in the new S3 guidelines for diagnosis, treatment and clinical follow-up of malignant tumours of the ovary. Based on the 2014 update of the WHO Classification of Tumours of the Female Reproductive Organs this article summarizes the most significant changes. For example now the same TNM and FIGO classification applies for tumours of the ovary, peritoneum or fallopian tube...
July 2017: Der Pathologe
https://www.readbyqxmd.com/read/28658892/poorly-differentiated-sertoli-leydig-cell-tumour-of-ovary-with-heterologous-elements
#15
Tapan Kumar Sahoo, Tushar Kar, Asaranti Kar, Sasmita Panda
Sertoli-Leydig Cell Tumour (SLCT) is included under sex-cord stromal tumour of testis or ovary. Ovarian pathology is an extremely rare entity constituting less than 0.5% of all ovarian neoplasms. Majority of the cases present at younger age group, i.e., 2(nd) and 3(rd) decade of life. The clinical presentation depends on either mass effect or excess hormone production. Virillization symptoms are the most common presentation and depend upon the quantity of androgen production. Most of the patients have a unilateral mass without extraovarian spread and present at stage-I...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28656712/uterine-tumour-resembling-ovarian-sex-cord-tumour-utrosct-first-report-of-a-large-series-with-follow-up
#16
Michelle Moore, W Glenn McCluggage
AIMS: Uterine tumour resembling ovarian sex cord tumour (UTROSCT) is an uncommon mesenchymal neoplasm of uncertain histogenesis. While it is considered a neoplasm of uncertain but low malignant potential, there is limited evidence for this since there are no large studies with follow-up. We aimed to determine the clinical behaviour of this uncommon neoplasm and investigate clinicopathological parameters which predict behaviour. METHODS AND RESULTS: From a series of 34 cases of UTROSCT, mainly from consultation practice, we obtained follow-up information which was obtained by contacting referring pathologists and clinicians...
June 28, 2017: Histopathology
https://www.readbyqxmd.com/read/28656240/microarray-analysis-reveals-differentially-expressed-lncrnas-in-benign-epithelial-ovarian-cysts-and-normal-ovaries
#17
Xiaoguang Liu, Chencheng Dai, Genmei Jia, Sujuan Xu, Ziyi Fu, Juan Xu, Qing Li, Hongjie Ruan, Pengfei Xu
Recent studies suggest that long non-coding RNAs (lncRNAs) play crucial roles in many types of human malignant cancers. However, the function of lncRNAs in benign tumors remains poorly understood. In the present study, to explored the potential roles of lncRNAs in benign epithelial ovarian cysts (BEOCs) which commonly occur in young women and possess malignant potential, we described the expression profile of the lncRNAs between BEOC and normal ovarian tissues using lncRNA microarray techniques. The results showed that 1,325 transcripts of lncRNAs (1,014 upregulated and 311 downregulated) were differentially expressed in the BEOCs compared with the normal controls [absolute fold-change ≥2, false discovery rate (FDR) <0...
June 22, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28652014/anti-inflammatory-effect-of-man-pen-fang-a-chinese-herbal-compound-on-chronic-pelvic-inflammation-in-rats
#18
Li-Jun Zhang, Jian-Yong Zhu, Meng-Yao Sun, Ya-Nan Song, Khalid Rahman, Cheng Peng, Miao Zhang, Yu-Mei Ye, Hong Zhang
ETHNOPHARMACOLOGICAL RELEVANCE: Traditional Chinese Medicine (TCM) has become the focus of research for the treatment of chronic pelvic inflammatory disease (CPID) based on unique medical theory system. Man-Pen-Fang (MPF), a Chinese herbal compound, which is composed of Thlaspi arvense L. (Cruciferae), Gleditsia sinensis Lam. (Leguminosae), Smilax china L. (Liliaceae), Euonymus alatus (Thunb.) Sieb. (Celastraceae) and Vaccaria segetalis (Neck.) (Caryophyllaceae) MPF has been used for the treatment of CPID and exerted significant clinical curative effects...
June 23, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28651149/incidence-of-ovarian-endometrioma-among-women-with-peritoneal-endometriosis-with-and-without-a-history-of-hormonal-contraceptive-use
#19
Shahryar K Kavoussi, Kate C Odenwald, Sawsan As-Sanie, Dan I Lebovic
OBJECTIVE(S): To determine if, among women with peritoneal endometriosis, the incidence of ovarian endometrioma at first laparoscopy differs between those with and without a history of hormonal contraceptive use. STUDY DESIGN: Retrospective case-control study of women who were patients at a fertility center and had first laparoscopy from 2009 through 2015 showing, at minimum, evidence of peritoneal endometriosis (n=136). Chart review was conducted for history of prior birth control use as well as operative and pathology notes of surgeries...
June 20, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28649123/extraovarian-primary-peritoneal-carcinomatosis-a-case-report
#20
Gregory Nicolas, Tony Kfoury, Hassan Fawaz, Mahdi Issa
BACKGROUND Extraovarian primary peritoneal carcinoma (EOPPC) is a rare malignant epithelial tumor with an age-adjusted incidence rate of 6.78 per million, which arises from the peritoneal lining with minimal or no ovarian involvement. EOPPC is a diagnosis of exclusion with the absence of other identifiable primary sites and after surgical assessment and consideration of the histological report to evaluate the extent of ovarian invasion. CASE REPORT A 66-year-old woman complained of mild postprandial epigastric pain...
June 26, 2017: American Journal of Case Reports
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