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Association between genetic condition, hormonal factors, and risk of endometrial cancer

For women with Lynch syndrome, an association was found between the risk of endometrial cancer and the age of first menstrual cycle, having given birth, and hormonal contraceptive use, according to a study. Lynch syndrome is a genetic condition that increases the risk for various cancers.
Source: ScienceDaily Headlines - Category: Science Source Type: news

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Microcystic, elongated, and fragmented (MELF) pattern invasion is a poor prognostic indicator in uterine endometrioid carcinoma, but its existence, biology, and prognostic value have not been described in ovarian endometrioid carcinoma. We evaluated cases of ovarian endometrioid carcinoma without synchronous uterine endometrioid carcinoma for MELF and other histologic features. To evaluate tumor biology, we assessed an immunohistochemical profile, including MLH1, PMS2, MSH2, MSH6, β-catenin, e-cadherin, CK19, and cyclin D1. A retrospective chart review evaluated clinical and demographic features and survival. The Fish...
Source: International Journal of Gynecological Pathology - Category: Pathology Tags: Pathology of the Upper Genital Tract: Original Articles Source Type: research
CONCLUSIONS: A simple molecular classification for endometrioid endometrial cancers that can be easily combined with Lynch syndrome screening provides important prognostic information. These findings support prospective clinical validation and further studies on the predictive value of a simplified molecular classification system. PMID: 29132872 [PubMed - as supplied by publisher]
Source: Gynecologic Oncology - Category: Cancer & Oncology Authors: Tags: Gynecol Oncol Source Type: research
by Jenny von Salom é, Philip S. Boonstra, Masoud Karimi, Gustav Silander, Marie Stenmark-Askmalm, Samuel Gebre-Medhin, Christos Aravidis, Mef Nilbert, Annika Lindblom, Kristina Lagerstedt-Robinson Among hereditary colorectal cancer predisposing syndromes, Lynch syndrome (LS) caused by mutations in DNA mismatch repair genesMLH1,MSH2,MSH6 orPMS2 is the most common. Patients with LS have an increased risk of early onset colon and endometrial cancer, but also other tumors that generally have an earlier onset compared to the general population. However, age at first primary cancer varies within families and genetic anti...
Source: PLoS Genetics - Category: Genetics & Stem Cells Authors: Source Type: research
Lynch syndrome (LS) is an inherited clinical syndrome characterized by a high risk of colorectal, endometrial (lifetime risk of up to 60%), ovarian and urinary tract cancers. The diagnosis is confirmed by identification of germline mutations in the DNA mismatch repair (MMR) genes MLH1, PMS2, MSH2, MSH6, or EPCAM. In 2015, our institution implemented universal screening of endometrial cancer hysterectomy specimens by MMR immunohistochemistry (IHC) with reflex MLH1 promoter hypermethylation analysis for tumors with loss of MLH1/PMS2 expression.
Source: Human Pathology - Category: Pathology Authors: Tags: Original contribution Source Type: research
AbstractLynch syndrome is the hereditary disorder that most frequently predisposes to colorectal cancer as well as predisposing to a number of extracolonic cancers, most prominently endometrial cancer. It is caused by germline mutations in the mismatch repair genes. Both its phenotype and genotype show marked heterogeneity. This review gives a historical overview of the syndrome, its heterogeneity, its genomic landscape, and its implications for complex diagnosis, genetic counseling and putative implications for immunotherapy.
Source: Familial Cancer - Category: Cancer & Oncology Source Type: research
Abstract 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 p...
Source: Bulletin du Cancer - Category: Cancer & Oncology Authors: Tags: Bull Cancer Source Type: research
Lynch syndrome (LS) is a hereditary cancer syndrome caused by a germline mutation in a DNA mismatch repair gene, usually MLH1, MSH2, MSH6, or PMS2. The most common cancers associated with LS are colorectal adenocarcinoma and endometrial carcinoma. Identification of women with LS-associated endometrial cancer is important, as these women and their affected siblings and children are at-risk of developing these same cancers. Germline testing of all endometrial cancer patients is not cost effective, and screening using young age of cancer diagnosis and/or presence of family history of syndrome-associated is underutilized and i...
Source: Advances in Anatomic Pathology - Category: Pathology Tags: Review Articles Source Type: research
This article presents a rare clinical of a 61-year-old female diagnosed with extracolonic Lynch syndrome with six metachronous tumours acquiring in digestive tract during the period from 1993 to 2014 (over 21 years). No other cases of six primary malignancies in patient with Lynch syndrome have been reported in literature. Upon diagnosis of Lynch syndrome, it is important to screen patient for malignancies of different localization as this syndrome predisposes appearance of various cancers at earlier age than in general population. PMID: 28938854 [PubMed - as supplied by publisher]
Source: Acta Chirurgica Belgica - Category: Surgery Tags: Acta Chir Belg Source Type: research
Conditions:   Colorectal Neoplasms, Hereditary Nonpolyposis;   Endometrial Neoplasms Interventions:   Diagnostic Test: immunohistochemical staining;   Diagnostic Test: tests of microsatellite instability;   Diagnostic Test: clinical criteria of Lynch syndromes;   Diagnostic Test: sequencing for mismatch repair genes Sponsor:   Lei Li Recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials
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