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Endometrial pathology

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https://www.readbyqxmd.com/read/29156254/xenografted-tissue-models-for-the-study-of-human-endometrial-biology
#1
REVIEW
Satu Kuokkanen, Liyin Zhu, Jeffrey W Pollard
The human endometrium undergoes extensive morphological, biochemical and molecular changes under the influence of female sex steroid hormones. Besides the fact that estrogen stimulates endometrial cell proliferation and progesterone inhibits this proliferation and induces differentiation, there is limited knowledge about precise molecular mechanisms underlying human endometrial biology. The importance of paracrine signaling in endometrial physiology explains why in vitro culture of endometrial cells has been challenging...
November 10, 2017: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/29140878/clear-cell-renal-cell-carcinoma-metastatic-to-the-gynecologic-tract-a-clinicopathologic-analysis-of-17-cases
#2
Oluwole Fadare, Mohamed M Desouki, Katja Gwin, Krisztina Z Hanley, Elke A Jarboe, Sharon X Liang, Charles M Quick, Kojo R Rawish, Andres A Roma, Wenxin Zheng, Jonathan L Hecht, Vinita Parkash, Adeboye O Osunkoya
Clear cell renal cell carcinomas (CCRCC) rarely metastasizes to the gynecologic tract. In this study, we analyzed a multi-institutional data set to provide insights into the clinical, morphologic, and immunophenotypic features of this phenomenon. Seveteen metastatic CCRCC involving the gynecologic tract [ovary/fallopian tube (n=9), vulva (n=2), uterine corpus (n=3), cervix (n=2), uterine serosa (n=1)] were analyzed. Mean patient age was 62 yr (range: 45-79 yr). Most cases (15/17) presented as a recurrence 6 to 72 mo postnephrectomy, 1 case was concurrently diagnosed, and 1 case (a cervical metastasis) was diagnosed prenephrectomy...
November 14, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29138602/improved-adequacy-of-endometrial-tissue-sampled-from-postmenopausal-women-using-the-myosure-lite-hysteroscopic-tissue-removal-system-versus-conventional-curettage
#3
Peter Rosenblatt, Sara Barcia, Anthony DiSciullo, Hussein Warda
Objective: To compare the diagnostic suitability of endometrial tissues obtained from postmenopausal women using the MyoSure Lite tissue removal system versus conventional curettage. Materials and methods: Endometrial tissue was sampled in hysteroscopically normal extirpated uteri from seven postmenopausal women (65.9±6.6 years old) using both hysteroscopicguided morcellation and curettage (two quadrants/uterus with each method). Endometrial sampling was performed immediately after hysterectomy for benign reasons unrelated to uterine pathology...
2017: International Journal of Women's Health
https://www.readbyqxmd.com/read/29137496/preoperative-quantitative-dynamic-contrast-enhanced-mri-and-diffusion-weighted-imaging-predict-aggressive-disease-in-endometrial-cancer
#4
Kristine E Fasmer, Atle Bjørnerud, Sigmund Ytre-Hauge, Renate Grüner, Ingvild L Tangen, Henrica Mj Werner, Line Bjørge, Øyvind O Salvesen, Jone Trovik, Camilla Krakstad, Ingfrid S Haldorsen
Background Quantitative dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) and diffusion-weighted imaging (DWI) may yield preoperative tumor biomarkers relevant for prognosis and therapy in cancer. Purpose To explore the value of preoperative DCE-MRI and DWI for the prediction of aggressive disease in endometrial cancer patients. Material and Methods Preoperative MRI (1.5-T) from 177 patients were analyzed and imaging parameters reflecting tumor microvasculature (from DCE-MRI) and tumor microstructure (from DWI) were estimated...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/29134301/prostaglandin-e2-receptor-ep1-in-healthy-and-diseased-human-endometrium
#5
Junyan Zhu, Doris Mayr, Christina Kuhn, Sven Mahner, Udo Jeschke, Viktoria von Schönfeldt
Prostaglandin E2 (PGE2) is well described to be associated with both endometrial functions and disorders. The primary aim of this study was to explore the underlying mechanisms that affect the growth and function of endometrial epithelium and stroma by assessing the staining intensity of PGE2 receptors (EP) in healthy endometrium across the menstrual cycle and in pathological endometrium, such as ovarian endometriosis and endometrial cancer. We retrospectively analyzed the EPs staining intensity in human nonpregnant endometrium throughout the menstrual cycle by immunohistochemistry and further focused on EP1 (n = 42)...
November 13, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/29133764/advanced-role-of-hippo-signaling-in-endometrial-fibrosis-implications-for-intrauterine-adhesion
#6
REVIEW
Hai-Yan Zhu, Tian-Xiang Ge, Yi-Bin Pan, Song-Ying Zhang
OBJECTIVE: Intrauterine adhesion (IUA) is a major health problem that causes infertility, menstrual irregularities, and recurrent pregnancy losses in women. Unfortunately, treatments for IUA are limited, and there are currently no effective strategies for preventing IUA recurrence. In this review, we introduced the role of Hippo signaling in the normal endometrium and IUA and described the mechanisms by which the Hippo pathway integrates with the Wnt and transforming growth factor-β (TGF-β) signaling pathways to form an intricate network governing the development of fibrosis...
November 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/29133752/proportion-of-uterine-malignant-tumors-in-patients-with-laparoscopic-myomectomy-a-national-multicenter-study-in-china
#7
Hua Yang, Xiao-Chuan Li, Chen Yao, Jing-He Lang, Hang-Mei Jin, Ming-Rong Xi, Gang Wang, Lu-Wen Wang, Min Hao, Yan Ding, Jie Chen, Jian-Qing Zhang, Lu Han, Cheng-Xiu Guo, Xiang Xue, Yan Li, Jian-Hua Zheng, Man-Hua Cui, Huai-Fang Li, Guang-Shi Tao, Long Chen, Su-Min Wang, An-Wei Lu, Ze-Hua Huang, Qing Liu, Ya-Li Zhuang, Xiang-Hua Huang, Gen-Hai Zhu, Ou-Ping Huang, Li-Na Hu, Mu-Jun Li, Hong-Lin Zhou, Jing-Hui Song, Lan Zhu
BACKGROUND: The Food and Drug Administration recently announced that the use of morcellation may cause fibroids or pelvic dissemination and metastasis of uterine sarcoma; therefore, the use of morcellation is limited in the USA. A large sample study is necessary to assess the proportion of uterine malignant tumors found in patients with laparoscopic myomectomy. METHODS: A national multicenter study was performed in China. From 2002 to 2014, 33,723 cases were retrospectively selected...
November 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/29133593/adipose-derived-vegf-mtor-signaling-promotes-endometrial-hyperplasia-and-cancer-implications-for-obese-women
#8
Subhransu S Sahoo, Janine Lombard, Yvette Ius, Rachel O'Sullivan, Lisa G Wood, Pravin Nahar, Kenneth Simon Jaaback, Pradeep Tanwar
Obesity is responsible for increased morbidity and mortality in endometrial cancer (EC). Despite the positive correlation of body mass index (BMI) or obesity in endometrial carcinogenesis, the contribution of adipose tissue to the pathogenesis of endometrial hyperplasia and cancer is unclear. This study clarifies the role of adipocytes in the pathogenesis of EC by demonstrating that adipocyte-conditioned medium (ACM) increases proliferation, migration, and survival of EC cells compared to pre-adipocyte-conditioned medium (PACM)...
November 13, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29132772/-primary-management-of-endometrial-carcinoma-joint-recommendations-of-the-french-society-of-gynecologic-oncology-sfog-and-of-the-french-college-of-obstetricians-and-gynecologists-cngof
#9
D Querleu, E Darai, F Lecuru, A Rafii, E Chereau, P Collinet, P Crochet, H Marret, E Mery, L Thomas, V Villefranque, A Floquet, F Planchamp
OBJECTIVES: The management of endometrial carcinoma is constantly evolving. The SFOG and the CNGOF decided to jointly update the previous French recommendations (Institut national du cancer 2011) and to adapt to the French practice the 2015 recommendations elaborated at the time of joint European consensus conference with the participation of the three concerned European societies (ESGO, ESTRO, ESMO). MATERIAL AND METHODS: A strict methodology was used. A steering committee was put together...
November 10, 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/29128439/robotic-splenectomy-for-isolated-splenic-recurrence-of-endometrial-adenocarcinoma
#10
Valerio Gallotta, Marco D'Indinosante, Camilla Nero, Maria Teresa Giudice, Carmine Conte, Claudio Lodoli, Gian Franco Zannoni, Anna Fagotti, Giovanni Scambia
OBJECTIVES: We present a rare case of an isolated intraparenchymal splenic metastasis of endometrial cancer managed with robotic-assisted surgery. METHODS: A 55-year-old patient with a history of endometrial cancer was found to have a splenic lesion during her follow-up exams. She underwent surgical staging (total hysterectomy, bilateral salpingo-oopherectomy, pelvic lymphadenectomy and peritoneal washing) in 2014 and the final pathologic findings showed an endometrioid endometrial adenocarcinoma, FIGO Stage IB G2...
November 8, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29118475/histological-follow-up-in-patients-with-atypical-glandular-cells-on-pap-smears
#11
Gokhan Boyraz, Derman Basaran, Mehmet Coskun Salman, Akbar Ibrahimov, Sevgen Onder, Orkun Akman, Nejat Ozgul, Kunter Yuce
Context: Atypical glandular cells (AGCs) result in the Papanicolaou (Pap) smear may be associated with significant genital and nongenital neoplastic processes. Aims: To evaluate the underlying histopathology in women who had AGCs on Pap smears. Settings and Design: Retrospective cross-sectional study. Patients and Methods: Clinicopathological data of patients who had AGC on Pap smears and underwent histological workup between January 2004 and December 2014 were retrieved from the computerized database of a tertiary care center...
October 2017: Journal of Cytology
https://www.readbyqxmd.com/read/29115077/identification-of-epstein-barr-virus-in-the-human-placenta-and-its-pathologic-characteristics
#12
Younghoon Kim, Hye Sung Kim, Joong Shin Park, Chong Jai Kim, Woo Ho Kim
Epstein-Barr virus (EBV), a common pathogen in humans, is suspected as the cause of multiple pregnancy-related pathologies including depression, preeclampsia, and stillbirth. Moreover, transmission of EBV through the placenta has been reported. However, the focus of EBV infection within the placenta has remained unknown to date. In this study, we proved the expression of latent EBV genes in the endometrial glandular epithelial cells of the placenta and investigated the cytological characteristics of these cells...
December 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29112933/hyperinsulinemia-induced-pax6-expression-promotes-endometrial-epithelial-cell-proliferation-via-negatively-modulating-p27-signaling
#13
Xue-Rong Zheng, Xia Pan, Jin Zhang, Xin Cao
Polycystic ovarian syndrome (PCOS) is thought to involve hyperinsulinism (insulin resistance, IR) and high prevalence of endometrial epithelial hyperplasia, but how these two pathologies are synergistically regulated in endometrial epithelial cells remains largely unknown. Here, we report a key role for the transcription factor PAX6 in the modulation of PCOS-induced endometrial epithelial proliferation. PAX6 was significantly induced in the endometrial tissues from PCOS patients, and this induction, regulated upstream by high levels of insulin, was closely correlated to the pathogenesis of IR in endometrial epithelial cells...
November 4, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29105363/cytomorphologic-features-of-metastatic-endometrioid-carcinoma-by-fine-needle-aspiration
#14
Daniel N Johnson, Julieta E Barroeta, Tatjana Antic, Ricardo R Lastra
BACKGROUND: Although metastatic disease is commonly seen in high grade carcinomas of gynecologic origin, it also occurs in low to intermediate grade endometrioid carcinomas (LGEMCAs), and may even be the primary presentation of disease. Tissue confirmation is necessary to guide therapy, but performing biopsies might not always be feasible or practical. In such instances, fine needle aspiration (FNA) is a safe and efficient alternative. No comprehensive series describing the cytomorphologic features of metastatic LGEMCA on FNA samples has been published...
November 4, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/29103241/unexpected-significant-uterine-pathological-findings-at-vaginal-hysterectomy-despite-unremarkable-preoperative-workup
#15
Yossi Mizrachi, Samer Tannus, Jacob Bar, Ron Sagiv, Tally Levy, Alexander Condrea, Shimon Ginath
BACKGROUND: Several studies have addressed the issue of undetected uterine pathology in women undergoing hysterectomy for pelvic organ prolapse (POP). However, these studies differ largely with respect to the incidence of malignancy found, study population, and preoperative evaluation. OBJECTIVES: To assess the risk of unexpected pre-malignant and malignant uterine pathological findings after vaginal hysterectomy for POP repair, in a single medical center in Israel...
October 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29083987/amide-proton-transfer-mr-imaging-of-endometrioid-endometrial-adenocarcinoma-association-with-histologic-grade
#16
Yukihisa Takayama, Akihiro Nishie, Osamu Togao, Yoshiki Asayama, Kousei Ishigami, Yasuhiro Ushijima, Daisuke Okamoto, Nobuhiro Fujita, Kenzo Sonoda, Tomoyuki Hida, Yoshihiro Ohishi, Jochen Keupp, Hiroshi Honda
Purpose To evaluate the utility of amide proton transfer (APT) imaging in estimating histologic grades of endometrioid endometrial adenocarcinoma (EEA). Materials and Methods The institutional review board approved this prospective study. Between June 2012 and March 2016, 32 patients with EEA underwent magnetic resonance (MR) imaging. After their surgical procedures, their EEAs were confirmed pathologically and classified into histologic grades: grade 1 (n = 11), grade 2 (n = 11), and grade 3 (n = 10). The APT signal intensities (SIs) and the mean and minimum apparent diffusion coefficients (ADCs) of the three grades were calculated and compared...
October 30, 2017: Radiology
https://www.readbyqxmd.com/read/29072228/an-audit-of-endometrial-hyperplasias-at-the-lagos-university-teaching-hospital
#17
O O Dawodu, N Z Ikeri, A A Banjo
INTRODUCTION: There has been much controversy and confusion surrounding the endometrial hyperplasias stemming from the use of a wide variety of terminologies and also from the pathophysiologic mechanisms underlying the various entities. The current classification by the World Health Organization (WHO) published in 2014 clarifies these issues. OBJECTIVE: The aim of this study, therefore, was to audit and standardize cases of endometrial hyperplasia diagnosed in our institution from 2007 to 2011...
September 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29072180/clinicopathologic-and-survival-results-in-serous-endometrium-carcinoma-and-subgroup-analysis-for-mixed-serous-and-pure-serous-histology
#18
Alpaslan Kaban, Samet Topuz, Hamdullah Sözen, Yağmur Minareci, Yavuz Salihoğlu
OBJECTIVE: To review theclinicopathologic and survival outcomes of the patients with serous endometrial cancer (EC) andto investigate subgroup analysis based on pure serous and mixed serous EC subtypes Material and Methods: Patients who had undergone EC surgery between 2002 and 2014 and who were reported as serous EC were enrolled in the study. All patients were diagnosed with serous endometrial cancer or mixed serous endometrial cancer with serous component higher than 10% based on the postoperative pathology report Results: A total of 93 patients were analyzed...
October 26, 2017: Journal of the Turkish German Gynecological Association
https://www.readbyqxmd.com/read/29069006/malignant-changes-in-adenomyosis-in-patients-with-endometrial-adenocarcinoma-a-case-series
#19
Xuemei Mao, Wei Zheng, Weibo Mao
The aim of the study is to describe the clinical characteristics and prognosis of malignant transformation of adenomyosis in patients with endometrial cancer.In this retrospective descriptive study, the clinical data of patients with endometrial cancer (n = 127) who were admitted at our hospital between January 2006 and December 2013 were evaluated.Among the 127 patients with endometrial cancer, 24 patients had endometrial cancer concurrently with adenomyosis. Among these 24 patients, 3 were diagnosed with malignant transformation of adenomyosis...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29061399/-lynch-syndrome-and-endometrial-cancer
#20
REVIEW
Anne-Sophie Bats, Léa Rossi, Marie-Aude Le Frere-Belda, Céline Narjoz, Caroline Cournou, Marie Gosset, Charlotte Ngo, Myriam Delomenie, Claude Nos, Hélène Blons, Pierre Laurent-Puig, Fabrice Lecuru
Lynch syndrome is a hereditary predisposition to many tumors, in the forefront of which endometrial cancer in women. It is related to the mutation of a mismatch repair gene, involved in DNA mismatch repair. This mutation leads to a loss of expression of the corresponding protein, and to genome instability in tumor cells. Cumulative risk at the age of 70 years is over 40 %. Endometrial cancers related to Lynch syndrome are most of the time sentinel (They reveal the predisposition in half of families.) and are characterized by young age at onset (before 60 years) and low body mass index compared with patients presenting sporadic tumors...
October 21, 2017: Bulletin du Cancer
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