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Endometrioid carcinoma

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https://www.readbyqxmd.com/read/27915441/ovarian-metastasis-from-uveal-melanoma-with-mlh1-pms2-protein-loss-in-a-patient-with-germline-mlh1-mutated-lynch-syndrome-consequence-or-coincidence
#1
João Lobo, Carla Pinto, Micaela Freitas, Manuela Pinheiro, Rámon Vizcaino, Esther Oliva, Manuel R Teixeira, Carmen Jerónimo, Carla Bartosch
Currently, uveal melanoma is not considered within the Lynch syndrome tumor spectrum. However, there are studies suggesting a contribution of microsatellite instability in sporadic uveal melanoma tumorigenesis. We report a 45-year-old woman who was referred for genetic counseling due to a family history of Lynch syndrome caused by a MLH1 mutation. She originally underwent enucleation of the right eye secondary to a uveal spindle cell melanoma diagnosed at age 25. The tumor recurred 22 years later presenting as an ovarian metastasis and concurrently a microscopic endometrial endometrioid carcinoma, grade 1/3 was diagnosed...
December 3, 2016: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/27913862/prognostic-impact-of-her3-based-on-protein-and-mrna-expression-in-high-grade-serous-ovarian-carcinoma
#2
Ulrike Unger, Carsten Denkert, Ioana Braicu, Jalid Sehouli, Manfred Dietel, Sibylle Loibl, Silvia Darb-Esfahani
HER3 is a member of the epidermal growth factor family and was predominantly described as a negative prognostic factor in various solid tumors as well as in ovarian cancer. In this study, we investigated HER3 on protein and mRNA expression in histologically defined subtypes of ovarian cancer looking for an influence on patient's survival. Altogether, we examined HER3 in ovarian high-grade serous (HGSC, n = 320), low-grade serous (LGSC, n = 55), endometrioid (EC, n = 33), and clear cell (CCC, n = 48) carcinomas using immunohistochemistry (IHC) and quantitative real-time reverse transcription PCR (qRT-PCR)...
December 2, 2016: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/27910070/mig-6-mouse-model-of-endometrial-cancer
#3
Tae Hoon Kim, Jung-Yoon Yoo, Jae-Wook Jeong
Endometrial cancer is a frequently occurring gynecological disorder. Estrogen-dependent endometrioid carcinoma is the most common type of gynecological cancer. One of the major pathologic phenomena of endometrial cancer is the loss of estrogen (E2) and progesterone (P4) control over uterine epithelial cell proliferation. P4 antagonizes the growth-promoting properties of E2 in the uterus. P4 prevents the development of endometrial cancer associated with unopposed E2 by blocking E2 actions. Mitogen inducible gene 6 (Mig-6, Errfi1, RALT, or gene 33) is an immediate early response gene that can be induced by various mitogens and common chronic stress stimuli...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27910067/next-generation-sequencing
#4
Matthieu Le Gallo, Fred Lozy, Daphne W Bell
Endometrial cancers are the most frequently diagnosed gynecological malignancy and were expected to be the seventh leading cause of cancer death among American women in 2015. The majority of endometrial cancers are of serous or endometrioid histology. Most human tumors, including endometrial tumors, are driven by the acquisition of pathogenic mutations in cancer genes. Thus, the identification of somatic mutations within tumor genomes is an entry point toward cancer gene discovery. However, efforts to pinpoint somatic mutations in human cancers have, until recently, relied on high-throughput sequencing of single genes or gene families using Sanger sequencing...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27910065/pathology-of-endometrial-carcinoma
#5
Sigurd F Lax
On a clinicopathological and molecular level, two distinctive types of endometrial carcinoma, type I and type II, can be distinguished. Endometrioid carcinoma, the typical type I carcinoma, seems to develop through an estrogen-driven "adenoma carcinoma" pathway from atypical endometrial hyperplasia/endometrioid intraepithelial neoplasia (AEH/EIN). It is associated with elevated serum estrogen and high body mass index and expresses estrogen and progesterone receptors. They are mostly low grade and show a favorable prognosis...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27910063/epidemiology-of-endometrial-carcinoma-etiologic-importance-of-hormonal-and-metabolic-influences
#6
Ashley S Felix, Hannah P Yang, Daphne W Bell, Mark E Sherman
Endometrial carcinoma is the most common gynecologic cancer in developed nations, and the annual incidence is projected to increase, secondary to the high prevalence of obesity, a strong endometrial carcinoma risk factor. Although endometrial carcinomas are etiologically, biologically, and clinically diverse, hormonal and metabolic mechanisms are particularly strongly implicated in the pathogenesis of endometrioid carcinoma, the numerically predominant subtype. The centrality of hormonal and metabolic disturbances in the pathogenesis of endometrial carcinoma, combined with its slow development from well-characterized precursors in most cases, offers a substantial opportunity to reduce endometrial carcinoma mortality through early detection, lifestyle modification, and chemoprevention...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27908528/prognostic-significance-of-lymphadenectomy-and-prevalence-of-lymph-node-metastasis-in-clinically-apparent-stage-i-endometrioid-and-mucinous-ovarian-carcinoma
#7
Dimitrios Nasioudis, Eloise Chapman-Davis, Steven S Witkin, Kevin Holcomb
OBJECTIVE: The aim of the present study was to investigate the prevalence of lymph node (LN) metastasis in women with apparent stage I ovarian carcinoma of endometrioid or mucinous histology and to examine the prognostic significance of LN sampling/dissection (LND) on patient survival. METHODS: The National Cancer Institute's Surveillance, Epidemiology, and End Results database was accessed and a cohort of surgically-staged women, diagnosed between 1988 and 2013, with apparent stage I ovarian carcinoma of mucinous or endometrioid histology was selected...
November 28, 2016: Gynecologic Oncology
https://www.readbyqxmd.com/read/27907908/prevalence-and-clinical-significance-of-brca1-2-germline-and-somatic-mutations-in-taiwanese-patients-with-ovarian-cancer
#8
Angel Chao, Ting-Chang Chang, Nina Lapke, Shih-Ming Jung, Peter Chi, Chien-Hung Chen, Lan-Yan Yang, Cheng-Tao Lin, Huei-Jean Huang, Hung-Hsueh Chou, Jui-Der Liou, Shu-Jen Chen, Tzu-Hao Wang, Chyong-Huey Lai
Germline and somatic BRCA1/2 mutations define a subset of patients with ovarian cancer who may benefit from treatment with poly (ADP-ribose) polymerase inhibitors. Unfortunately, data on the frequency of BRCA1/2 germline mutations in Taiwanese patients with ovarian cancer are scarce, with the prevalence of somatic mutations being unknown. We aim to investigate the occurrence of BRCA1/2 mutations in 99 Taiwanese patients with ovarian cancer which included serous (n = 46), endometrioid (n = 24), and clear cell (n = 29) carcinomas...
November 19, 2016: Oncotarget
https://www.readbyqxmd.com/read/27905110/distinct-molecular-landscapes-between-endometrioid-and-non-endometrioid-uterine-carcinomas
#9
Nathaniel L Jones, Joanne Xiu, Sudeshna Chatterjee-Paer, Alexandre Buckley de Meritens, William M Burke, Ana I Tergas, Jason D Wright, June Y Hou
Endometrial carcinoma (EC) is traditionally characterized as endometrioid and non-endometrioid based on histo-pathologic phenotypes. Molecular-based classifications have been proposed, but are not widely implemented. Herein we examine molecular profiles between EC histologic subtypes. 3133 ECs were submitted between March 2011 and July 2014: 1634 Type I and 1226 Type II. In situ hybridization and immunohistochemistry were used to assess copy number and protein expression of selected genes. Sequenced variants in 47 genes were analyzed using the Illumina TruSeq Amplicon Cancer Panel...
December 1, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27903930/metachronous-uterine-endometrioid-adenocarcinoma-and-peritoneal-mesothelioma-in-lynch-syndrome-a-case-report
#10
Yuxin Lu, Sara Milchgrub, Gaurav Khatri, Purva Gopal
Lynch syndrome is a hereditary disease with germline mutation in a DNA mismatch repair gene, most often presenting with colorectal and/or endometrial carcinomas; however, the spectrum of Lynch syndrome-associated tumors is expanding. In this article, we report a case of a primary peritoneal epithelioid mesothelioma that developed in a Lynch syndrome patient 10 months after diagnosis of uterine endometrioid adenocarcinoma. To our knowledge, this is the first reported case of a Lynch syndrome patient with metachronous uterine endometrioid adenocarcinoma and primary peritoneal mesothelioma...
November 30, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27902476/stromal-p16-expression-is-significantly-increased-in-endometrial-carcinoma
#11
Gun Yoon, Chang Won Koh, Nara Yoon, Ji-Ye Kim, Hyun-Soo Kim
p16 is a negative regulator of cell proliferation and is considered a tumor suppressor protein. Alterations in p16 protein expression are associated with tumor development and progression. However, the p16 expression status in the peritumoral stroma has not been investigated in the endometrium. Therefore, we evaluated stromal p16 expression in different types of endometrial lesions using immunohistochemistry. Differences in the p16 expression status according to the degree of malignancy and histological type were analyzed...
November 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27899784/-effectiveness-of-carboplatin-plus-taxane-chemotherapy-for-advanced-or-recurrent-uterine-serous-carcinoma
#12
Takuto Matsuura, Isao Otsuka
OBJECTIVE: Uterine serous carcinoma(USC)is more aggressive compared to endometrioid adenocarcinoma, and often exhibits intraperitoneal spread, resulting in a poor prognosis. It is a rare subtype of uterine cancers, accounting for 5%of cases in Japan; therefore, optimal chemotherapy regimens for patients with advanced or recurrent disease have not been established. In the present study, we evaluated the safety and efficacy of carboplatin plus taxane chemotherapy for the treatment of patients withadvanced and recurrent USC...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/27885265/the-disparate-origins-of-ovarian-cancers-pathogenesis-and-prevention-strategies
#13
Anthony N Karnezis, Kathleen R Cho, C Blake Gilks, Celeste Leigh Pearce, David G Huntsman
Ovarian cancer is the fifth cause of cancer-related death in women and comprises a histologically and genetically broad range of tumours, including those of epithelial, sex cord-stromal and germ cell origin. Recent evidence indicates that high-grade serous ovarian carcinoma, clear cell carcinoma and endometrioid carcinoma primarily arise from tissues that are not normally present in the ovary. These histogenetic pathways are informing risk-reduction strategies for the prevention of ovarian and ovary-associated cancers and have highlighted the importance of the seemingly unique ovarian microenvironment...
November 25, 2016: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/27873496/ovarian-clear-cell-carcinoma-sub-typing-by-arid1a-expression
#14
Jae Yoon Choi, Hyun Ho Han, Young Tae Kim, Joo Hyun Lee, Baek Gil Kim, Suki Kang, Nam Hoon Cho
PURPOSE: Loss of AT-rich DNA-interacting domain 1A (ARID1A) has been identified as a driving mutation of ovarian clear cell carcinoma (O-CCC), a triple-negative ovarian cancer that is intermediary between serous and endometrioid subtypes, in regards to molecular and clinical behaviors. However, about half of O-CCCs still express BAF250a, the protein encoded by ARID1A. Herein, we aimed to identify signatures of ARID1A-positive O-CCC in comparison with its ARID1A-negative counterpart. MATERIALS AND METHODS: Seventy cases of O-CCC were included in this study...
January 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/27869446/-oncopathological-aspects-of-brca1-and-brca2-genes-inactivation-in-tumors-of-ovary-fallopian-tube-and-pelvic-peritoneum
#15
Petr Škapa, Pavel Dundr
Ovarian carcinoma represents a heterogeneous group of malignant epithelial tumors which could be divided into two fundamental groups: Type I (endometrioid carcinoma, clear cell carcinoma, low grade serous carcinoma, mucinous carcinoma and more rare seromucinous carcinoma and malignant Brenner tumor) and type II (high grade serous carcinoma - HGSC). HGSC is the most frequent ovarian carcinoma which may be etiologically linked to inactivation of tumor suppressor genes BRCA1/2 and TP53 and differs from type I carcinomas by higher aggressiveness, tendency to peritoneal spread and worse prognosis...
2016: Ceskoslovenská Patologie
https://www.readbyqxmd.com/read/27853516/pattern-of-triple-negative-epithelial-ovarian-cancer-in-indigenous-african-women
#16
Mustapha Akanji Ajani, Ayodeji Akeem Salami, Olutosin Alaba Awolude, Abideen Olayiwola Oluwasola
Background: Triple negative epithelial ovarian cancer (TNEOC)  refers to ovarian carcinomas that do not express estrogen receptor (ER), progesterone receptor (PR) and human epidermal growth factor receptor- type 2 (HER-2/neu).  The aim of this study is to determine the pattern of triple negative epithelial ovarian cancer in indigenous African women. Methods: We performed a retrospective review of ER, PR and HER-2/neu expression in 90 Nigerian patients with histologically diagnosed epithelial ovarian cancer...
2016: F1000Research
https://www.readbyqxmd.com/read/27846720/-molecular-mechanisms-of-carcinogenesis-of-epithelial-ovarian-cancers
#17
Z Müllerová, T Müller, K Křivánková, B Vojtěšek, P Müller
BACKGROUND: Epithelial ovarian carcinomas are one of the most common causes of death among gynecologic malignancies in the Czech population. This group of tumors is characterized by considerable heterogeneity in terms of its pathogenesis and response to therapy. It is questionable whether advances in the elucidation of molecular pathogenesis of various types of epithelial ovarian carcinomas can contribute to application of personalized targeted therapy. AIMS: This work aims to summarize current knowledge on carcinogenesis and molecular basis of epithelial ovarian cancers and point out their potential applications in clinical practice...
2016: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/27821232/-clinicopathologic-study-of-seromucinous-carcinoma-of-ovary
#18
S X Tang, Y H Sun, Y Xu, X R Zhou, W T Yang
Objective: To elucidate the clinicopathologic characteristics, immunophenotype and differential diagnosis of ovarian seromucinous carcinoma. Methods: The clinical and pathological characteristics of 7 cases of ovarian seromucinous carcinoma were analyzed. Immunohistochemical study of selected markers was performed employing the EnVision method. Literature of ovarian seromucinous carcinoma were also reviewed. Results: The age of the 7 ovarian seromucinous carcinoma patients ranged from 27 to 70 years of age (mean=48 years)...
November 8, 2016: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/27810483/tea-coffee-and-caffeinated-beverage-consumption-and-risk-of-epithelial-ovarian-cancers
#19
Andy C Y Leung, Linda S Cook, Kenneth Swenerton, Blake Gilks, Richard P Gallagher, Anthony Magliocco, Helen Steed, Martin Köbel, Jill Nation, Angela Brooks-Wilson, Nhu D Le
BACKGROUND: The risk for epithelial ovarian cancer associated with the consumption of caffeinated beverages (tea, coffee, and soft drinks) and green tea is inconclusive. However, few studies have investigated the type of caffeinated beverage or the type of tea. OBJECTIVE: We assessed consumption of tea (black/caffeinated tea and green tea separately), coffee, and caffeinated soft drinks, as well as level of consumption, and the risk for epithelial ovarian cancer and its histotypes...
December 2016: Cancer Epidemiology
https://www.readbyqxmd.com/read/27801764/tissue-based-immunohistochemical-biomarker-accuracy-in-the-diagnosis-of-malignant-glandular-lesions-of-the-uterine-cervix-a-systematic-review-of-the-literature-and-meta-analysis
#20
Sandra Lee, Marianne S Rose, Vikrant V Sahasrabuddhe, Rachel Zhao, Máire A Duggan
Immunohistochemistry is widely used to support a pathology diagnosis of cervical adenocarcinoma despite the absence of a systematic review and meta-analysis of the published data. This systematic review and meta-analysis was performed to investigate the sensitivity and specificity of immunohistochemistry biomarkers in the tissue-based diagnosis of cervical adenocarcinoma histotypes compared with normal endocervix and benign glandular lesions. The systematic review and meta-analysis used a PICOT framework and QUADAS-2 to evaluate the quality of included studies...
October 31, 2016: International Journal of Gynecological Pathology
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