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https://www.readbyqxmd.com/read/28088687/whole-genome-dna-methylation-profiling-identifies-epigenetic-signatures-of-uterine-carcinosarcoma
#1
Jing Li, Xiaoyun Xing, Daofeng Li, Bo Zhang, David G Mutch, Ian S Hagemann, Ting Wang
Uterine carcinosarcoma (UCS) is a form of endometrial cancer simultaneously exhibiting carcinomatous and sarcomatous elements, but the underlying molecular and epigenetic basis of this disease is poorly understood. We generated complete DNA methylomes for both the carcinomatous and the sarcomatous components of three UCS samples separated by laser capture microdissection and compared DNA methylomes of UCS with those of normal endometrium as well as methylomes derived from endometrioid carcinoma, serous endometrial carcinoma, and endometrial stromal sarcoma...
January 12, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28079598/interobserver-agreement-in-endometrial-carcinoma-histotype-diagnosis-varies-depending-on-the-cancer-genome-atlas-tcga-based-molecular-subgroup
#2
Lien N Hoang, Mary A Kinloch, Joyce M Leo, Katherine Grondin, Cheng-Han Lee, Carol Ewanowich, Martin Köbel, Angela Cheng, Aline Talhouk, Melissa McConechy, David G Huntsman, Jessica N McAlpine, Robert A Soslow, C Blake Gilks
The Cancer Genome Atlas recently identified a genomic-based molecular classification of endometrial carcinomas, with 4 molecular categories: (1) ultramutated (polymerase epsilon [POLE] mutated), (2) hypermutated (microsatellite instability), (3) copy number abnormalities-low, and (4) copy number abnormalities-high. Two studies have since proposed models to classify endometrial carcinomas into 4 molecular subgroups, modeled after The Cancer Genome Atlas, using simplified and more clinically applicable surrogate methodologies...
February 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28070553/predicted-neoantigen-load-in-non-hypermutated-endometrial-cancers-correlation-with-outcome-and-tumor-specific-genomic-alterations
#3
Sachet A Shukla, Brooke E Howitt, Catherine J Wu, Panagiotis A Konstantinopoulos
Elevated neoantigen load has been previously correlated with improved outcome and response to immune checkpoint blockade in various tumor types. In endometrial cancer, previous studies of neoantigen load prediction have shown that the hypermutated MSI and POLE-mutated tumors harbor significantly higher predicted neoantigen load compared to the hypomutated CN-low/endometrioid and CN-high/serous-like tumors. Here, we report that predicted neoantigen load may be a prognostic factor in hypomutated endometrial cancers, both in CN-low/endometrioid and CN-high/serous-like tumors...
February 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28069268/prediction-of-lymphatic-dissemination-in-endometrioid-endometrial-cancer-comparison-of-three-risk-stratification-models-in-a-single-institution-cohort
#4
Taru Tuomi, Annukka Pasanen, Arto Leminen, Ralf Bützow, Mikko Loukovaara
OBJECTIVES: To compare the performance characteristics of 3 risk-stratification models, referred to as Mayo, Helsinki and Milwaukee models, in predicting lymphatic dissemination in endometrial cancer. METHODS: A total of 1052 patients with stage I-III endometrioid endometrial cancer were included in the study. The areas under curve were compared with the receiver operating characteristic curve area comparison test. Chi-square and Fisher exact test were used for comparing categorical variables...
January 6, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28069049/dedifferentiated-endometrioid-carcinoma-of-the-uterus-report-of-four-cases-and-review-of-literature
#5
Jiheun Han, Eun Young Ki, Sung Eun Rha, SooYoung Hur, Ahwon Lee
BACKGROUND: Dedifferentiated endometrioid adenocarcinoma (DEAC) is rare and is known to be more aggressive than high-grade endometrioid carcinoma. Differentiating between the two is important to provide appropriate treatment for patients. CASE PRESENTATION: This is a retrospective study including four cases of DEAC of the uterus, which was diagnosed and treated in our Obstetrics and Gynecology department between January 2013 and December 2015. Clinical, pathological, and immunohistochemical staining features are discussed...
January 10, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28068595/the-impact-of-lymphadenectomy-on-survival-endpoints-in-women-with-early-stage-uterine-endometrioid-carcinoma-a-matched-analysis
#6
Ahmed I Ghanem, Nadia T Khan, Meredith Mahan, Ahmed Ibrahim, Thomas Buekers, Mohamed A Elshaikh
OBJECTIVES: The role of pelvic lymphadenectomy (LA) in women with stage I endometrial carcinoma (EC) is controversial. The objective of this study is to investigate the prognostic impact of LA on survival endpoints in matched cohorts of women with stage I EC solely of endometrioid histology. Survival endpoints included recurrence-free (RFS), disease-specific (DSS) and overall survival (OS). METHODS AND MATERIALS: Patients with FIGO stage I EC who underwent hysterectomy with LA as part of their surgical staging between 1/1990 and 6/2015 were matched to a similar group that underwent hysterectomy without lymphadenectomy (NLA), based on stage, grade and adjuvant management...
December 28, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28067948/preoperative-assessment-of-lymph-node-metastasis-in-endometrial-cancer-a-korean-gynecologic-oncology-group-study
#7
Sokbom Kang, Joo-Hyun Nam, Duk-Soo Bae, Jae-Weon Kim, Moon-Hong Kim, Xiaojun Chen, Jae-Hong No, Jong-Min Lee, Jae-Hoon Kim, Hidemich Watari, Seok Mo Kim, Sung Hoon Kim, Seok Ju Seong, Ki Tae Kim, Seung Cheol Kim, Jong-Hyeok Kim, Myung-Cheol Lim, Jung-Yun Lee, Sang-Young Ryu, Bingyi Yang, Byoung-Gie Kim
BACKGROUND: Previously proposed criteria for preoperatively identifying endometrial cancer patients at low risk for lymph node metastasis remain to be verified. For this purpose, a prospective, multicenter observational study was performed. METHODS: Eligible patients with histologically confirmed endometrial cancer underwent magnetic resonance imaging (MRI) and serum cancer antigen 125 (CA 125) testing before surgery. The following criteria were used to identify low-risk patients: 1) endometrioid-type cancer, 2) no evidence of deep myometrial invasion on MRI, 3) no enlarged lymph nodes on MRI, 4) no suspicious metastasis out of the uterine corpus, and 5) serum CA 125 levels less than 35 U/mL...
January 1, 2017: Cancer
https://www.readbyqxmd.com/read/28065618/pathological-features-and-clinical-behavior-of-lynch-syndrome-associated-ovarian-cancer
#8
N A J Ryan, D G Evans, K Green, E J Crosbie
OBJECTIVE: Lynch syndrome (LS) is an inherited tumor predisposition condition caused by mutations in the mismatch repair (MMR) genes. Mutation carriers are at increased risk of various malignancies, including ovarian cancer (OC). Relatively little is known about the pathological features and clinical behavior of LS associated OC. METHODS: We analyzed the data of 1047 proven MMR mutated individuals from a prospectively maintained database at a large referral center for genomic medicine in the North West of England...
January 5, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28062021/endometrioid-carcinoma-of-the-ovary-outcomes-compared-to-serous-carcinoma-after-10-years-of-follow-up
#9
Geneviève Bouchard-Fortier, Tony Panzarella, Barry Rosen, William Chapman, Lilian T Gien
OBJECTIVES: The prognostic significance of endometrioid ovarian cancer is unclear. In this study we compared rates of overall survival (OS) and disease-free survival between patients with endometrioid and serous ovarian cancers using long-term follow-up data. METHODS: We included patients with endometrioid or serous ovarian cancers diagnosed at a single regional cancer centre between 1988 and 2006. Data on baseline and treatment characteristics were collected retrospectively...
January 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28060139/is-older-age-a-real-adverse-prognostic-factor-in-women-with-early-stage-endometrial-carcinoma-a-matched-analysis
#10
Laura Haley, Charlotte Burmeister, Thomas Buekers, Mohamed A Elshaikh
OBJECTIVES: The aim of this study was to evaluate if older age alone negatively impacts survival endpoints in women with early-stage uterine endometrioid carcinoma (EC), or its reported prognostic impact is due to an interaction with other well-known adverse factors using matched-analysis methodology. METHODS: We identified 1254 patients with International Federation of Gynecology and Obstetrics stage I-II EC who underwent hysterectomy at our institution. We created 2 matched groups based on International Federation of Gynecology and Obstetrics stage, tumor grade, lymph node dissection status, and the type of adjuvant management...
January 4, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28059101/steroid-hormone-synthesis-by-the-ovarian-stroma-surrounding-epithelial-ovarian-tumors-a-potential-mechanism-in-ovarian-tumorigenesis
#11
Luis Z Blanco, Elisabetta Kuhn, Jane C Morrison, Asli Bahadirli-Talbott, Anne Smith-Sehdev, Robert J Kurman
Epithelial ovarian tumors are responsive to steroid hormone stimulation and the ovarian stroma may have a direct role in this process. We evaluated immunohistochemical markers of sex-steroid differentiation and steroidogenesis (calretinin, inhibin, steroidogenic factor 1), steroid enzymes involved in hormone biosynthesis (CYP17, CYP19, HSD17β1, AKR1C3), and hormone receptors (estrogen receptor, progesterone receptor, and androgen receptor) in 101 epithelial ovarian tumors and in normal structures implicated in ovarian carcinogenesis (ovarian surface epithelium and cortical inclusion cysts) in an attempt to elucidate this process...
January 6, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28058558/call-for-surgical-nodal-staging-in-women-with-esmo-esgo-estro-high-intermediate-risk-endometrial-cancer-a-multicentre-cohort-analysis-from-the-francogyn-study-group
#12
L Ouldamer, S Bendifallah, G Body, G Canlorbe, C Touboul, O Graesslin, E Raimond, P Collinet, C Coutant, V Lavoué, J Lévêque, E Daraï, M Ballester
BACKGROUND: The European Society of Medical Oncology (ESMO)/European Society of Gynaecological Oncology (ESGO)/European Society for Radiotherapy & Oncology (ESTRO) classification for endometrial cancer (EC) now includes a high-intermediate risk (HIR) group of recurrence due to the adverse prognostic role of lymphovascular space involvement (LVSI) and grade 3 for women at intermediate risk. However, optimal surgical staging, and especially the place of lymphadenectomy, remains to be elucidated...
January 5, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28050959/fertility-preservation-in-endometrial-cancer-is-it-safe-review-of-the-literature
#13
REVIEW
Márcia Mendonça Carneiro, Rívia Mara Lamaita, Márcia Cristina França Ferreira, Agnaldo Lopes Silva-Filho
Almost 5% of women with endometrial cancer are under age 40, and they often have well-differentiated endometrioid estrogen-dependent tumors. Cancer survival rates have improved over the last decades so strategies to avoid or reduce the reproductive damage caused by oncologic treatment are needed. We reviewed the published literature to find evidence to answer the following questions: How should we manage women in reproductive age with endometrial cancer? How safe is fertility preservation in endometrial cancer? Can pregnancy influence endometrial cancer recurrence? What are the fertility sparing options available? Progestins may be prescribed after careful evaluation and counseling...
December 1, 2016: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/28049216/cancer-implications-for-patients-with-endometriosis
#14
Mary Ann Wilbur, Ie-Ming Shih, James H Segars, Amanda N Fader
Endometriosis is defined as the presence of viable endometrial glands and stroma outside of the uterus. It is a common disease, occurring in 5 to 15% of all women. Endometriosis is associated with chronic pelvic pain and infertility and often requires surgical intervention for definitive treatment. Although it is a benign gynecologic condition, endometriosis shares pathophysiologic features with cancer. In recent years, both histologic and epidemiologic evidence has accumulated, suggesting that ovarian endometriosis may give rise to malignant ovarian tumors, primarily those that are epithelial in origin, known as endometriosis-associated ovarian carcinoma (EAOC) including ovarian clear cell carcinoma, endometrioid carcinoma, and the least common, seromucinous tumors...
January 3, 2017: Seminars in Reproductive Medicine
https://www.readbyqxmd.com/read/28041971/clinicopathological-analysis-of-mixed-endometrial-carcinomas-clinical-relevance-of-different-neoplastic-components
#15
Esther Diana Rossi, Tommaso Bizzarro, Giorgia Monterossi, Frediano Inzani, Francesco Fanfani, Giovanni Scambia, Gian Franco Zannoni
Mixed endometrial carcinomas (MEC) refer to tumors characterized by 2 or more distinct histotypes mostly comprised of endometrioid (EC) and serous /clear cell carcinomas (SC/CC). The specific quantification of these distinct components represents a challenging and critical point for both prognosis and management. Herein, we analyze a large series of MEC and compare them with EC and SC/CC. We evaluated a series of 69 MEC between January 2002 and December 2015. We compared the MEC series with 186 EC (including 117 endometrioid G3), 31 SC and 38 CC...
December 29, 2016: Human Pathology
https://www.readbyqxmd.com/read/28039471/aneuploidy-related-transcriptional-changes-in-endometrial-cancer-link-low-expression-of-chromosome-15q-genes-to-poor-survival
#16
Karen Klepsland Mauland, Elisabeth Wik, Erling A Hoivik, Kanthida Kusonmano, Mari Kyllesø Halle, Anna Berg, Hans Kristian Haugland, Anne Margrete Øyan, Karl-Henning Kalland, Ingunn Marie Stefansson, Lars A Akslen, Camilla Krakstad, Jone Trovik, Henrica Maria Johanna Werner, Helga Birgitte Salvesen
Aneuploidy is a widely studied prognostic marker in endometrial cancer (EC), however, not implemented in clinical decision-making. It lacks validation in large prospective patient cohorts adjusted for currently standard applied prognostic markers, including estrogen/progesterone receptor status (ER/PR). Also, little is known about aneuploidy-related transcriptional alterations, relevant for understanding its role in EC biology, and as therapeutic target.We included 825 EC patients with available ploidy status and comprehensive clinicopathologic characterization to analyze ploidy as a prognostic marker...
December 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/28032649/kras-mutation-coupled-with-p53-loss-is-sufficient-to-induce-ovarian-carcinosarcomas-in-mice
#17
Feng-Hsiang Tang, Tsung-Hua Hsieh, Chia-Yi Hsu, Hsiao-Yun Lin, Cheng-Yu Long, Kuang-Hung Cheng, Eing-Mei Tsai
Ovarian carcinosarcoma cancer is the most lethal form of gynecological malignancy, but the pathogenesis and biological function for this ovarian cancer remain unknown. We establishment the transgenic mouse model of K-ras(G12D) p53(loxP/loxP) and found that K-ras mutation and p53 deletion within the ovarian surface epithelium gave rise to ovarian lesions with a hyperproliferation and endometrioid glandular morphology. Furthermore, double mutant ovaries formed ovarian carcinosarcomas that were high grade and poorly differentiated...
December 29, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28012794/improved-overall-survival-with-adjuvant-radiotherapy-for-high-intermediate-and-high-risk-stage-i-endometrial-cancer
#18
Matthew M Harkenrider, William Adams, Alec M Block, Stephanie Kliethermes, William Small, Surbhi Grover
BACKGROUND/PURPOSE: To perform a large analysis of Stage I endometrioid-type endometrial cancer patients to determine the impact of adjuvant radiotherapy (ART) on survival. MATERIAL/METHODS: 132,976 FIGO Stage I endometrioid-type endometrial cancer patients treated surgically were identified within the National Cancer Database (NCDB) comprising Commission on Cancer facilities in the United States. Patients were categorized as observation (OBS) or ART (vaginal brachytherapy, external beam radiotherapy, or both)...
December 21, 2016: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28006994/the-role-of-human-epididymis-secretory-protein-e4-in-patients-with-endometrial-cancer-and-premalignant-endometrial-lesions
#19
Setenay Arzu Yılmaz, Sündüz Özlem Altınkaya, Özlem Seçilmiş Kerimoglu, Aybike Tazegül Pekin, Fikret Akyürek, Tolgay Tuyan Ilhan, Nilgün Benzer, Ali Unlu, Hasan Yuksel, Cetin Celik
We evaluated the concentrations of human epididymis secretory protein E4 (HE4) and Ca-125 in relation to clinicopathologic features in patients with endometrial cancer and premalignant endometrial lesions. Women with abnormal uterine bleeding (n = 167) who underwent endometrial sampling were divided into four groups. Group 1: endometrial cancer (n = 68), group 2: atypical endometrial hyperplasia (n = 12), group 3: endometrial hyperplasia without atypia (n = 39) and group 4: controls (n = 48)...
December 22, 2016: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28002804/endometrial-cancer-cells-exhibit-high-expression-of-p110%C3%AE-and-its-selective-inhibition-induces-variable-responses-on-pi3k-signaling-cell-survival-and-proliferation
#20
Thomas Karlsson, Camilla Krakstad, Ingvild Løberg Tangen, Erling A Hoivik, Pamela M Pollock, Helga B Salvesen, Aurélia E Lewis
PTEN loss and constitutive activation of the class I phosphoinositide 3-kinase (PI3K) pathway are key drivers of endometrial tumorigenesis. In some cancer types, PTEN-deficient tumors are reliant on class I PI3K p110β (encoded by PIK3CB) activity but little is known about this contribution in endometrial tumorigenesis. In this study, we find that p110β is overexpressed in a panel of 7 endometrial cancer cell lines compared to non-transformed cells. Furthermore, in 234 clinically annotated patient samples, PIK3CB mRNA levels increase significantly in the early phase of tumorigenesis from precursors to low grade primary malignant lesions whereas PIK3CA levels are higher in non-endometrioid compared to endometrioid primary tumors...
December 16, 2016: Oncotarget
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