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Endometrial pathology

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https://www.readbyqxmd.com/read/28081334/comparison-of-the-distinctive-pathological-features-of-and-p16-and-c-kitexpression-levels-in-benign-and-malignant-endometrial-polyps
#1
Nermin Koç, Selçuk Ayas, Lütfiye Uygur, Nurver Özel Özbay
BACKGROUND/AIM: Histopathological examination is crucial for the effective management of endometrial polyps. Immunohistochemical markers such as p16 and c-Kit may facilitate the differential diagnoses of benign and malignant polyps. The aim of the present study was to explore the expression levels of c-Kit (CD117) and p16 in endometrial polyps of postmenopausal women. MATERIALS AND METHODS: Twenty-five hysterectomy specimens with malignant endometrial polyps and hysterectomy or polypectomy specimens featuring 55 benign polyps were studied...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28079409/promoting-awareness-of-neonatal-menstruation
#2
Paola Bianchi, Giuseppe Benagiano, Ivo Brosens
Neonatal uterine bleeding (NUB) has been carefully studied in the past through case reports, small series, clinical cohort studies, pathology investigations of fetal and neonatal. Following a historical recount, this review summarizes biological mechanisms conditioning NUB, starting from the persistence till birth of an 'ontogenetic progesterone resistance' (OPR), causing decreased responsiveness of target tissues to bioavailable progesterone. Several pregnancy-related conditions, such as preeclampsia, fetal growth restriction, prematurity, post-maturity and even Rhesus or ABO incompatibility, influence the occurrence of NUB...
January 12, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28078775/comparison-of-three-surgical-approaches-for-staging-lymphadenectomy-in-high-risk-endometrial-cancer
#3
Katherine J Pulman, Ebernella S Dason, Lauren Philp, Marcus Q Bernardini, Sarah E Ferguson, Stéphane Laframboise, Eshetu G Atenafu, Taymaa May
OBJECTIVE: To compare laparotomy, laparoscopy, and robotic surgical approaches to lymphadenectomy for high-risk endometrial cancer staging. METHODS: A retrospective cohort study enrolled patients who underwent surgery for pathologic high-risk endometrial carcinoma at the University Health Network, Toronto, Canada, between January 1, 2005 and December 31, 2013. The primary outcome, the median number of nodes retrieved, was compared based on surgical technique. The secondary outcome was the detection of metastatic nodes...
December 7, 2016: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28065812/minimally-invasive-approach-in-type-ii-endometrial-cancer-it-is-wise-and-safe
#4
Giorgia Monterossi, Fabio Ghezzi, Enrico Vizza, Gian Franco Zannoni, Stefano Uccella, Giacomo Corrado, Stefano Restaino, Lorena Quagliozzi, Jvan Casarin, Giorgia Dinoi, Giovanni Scambia, Francesco Fanfani
STUDY OBJECTIVE: The aims of this study were to compare peri-operative and survival outcomes of Type II endometrial cancers patients staged by minimally invasive approaches versus laparotomy. DESIGN: A retrospective cohort study. DESIGN: Classification: Canadian Task Force classification II-2 SETTING: Catholic University of the Sacred Heart of Rome, University of Insubria, Varese and "Regina Elena" National Cancer Institute of Rome. PATIENTS: We enrolled 283 Type II endometrial cancer patients with clinical FIGO stage I-II and pathological stage III with apparent early-stage disease at the pre-operative instrumental examination...
January 5, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28065618/pathological-features-and-clinical-behavior-of-lynch-syndrome-associated-ovarian-cancer
#5
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/28060456/significance-of-high-risk-hpv-detection-in-women-with-atypical-glandular-cells-on-pap-testing-analysis-of-1857-cases-from-an-academic-institution
#6
Stell Patadji, Zaibo Li, Dinesh Pradhan, Chengquan Zhao
BACKGROUND: The role of high-risk human papillomavirus (hrHPV) testing in women with various types of atypical glandular cells (AGC) on Papanicolaou (Pap) test is undetermined. METHODS: Herein, the authors retrospectively searched their pathology database for cases of AGC with concurrent hrHPV testing and histological follow-up results within 1 year between January 2008 and December 2013. RESULTS: Among 3709 AGC cases occurring during the study period, 2287 had concurrent Hybrid Capture 2 HPV testing results...
October 24, 2016: Cancer
https://www.readbyqxmd.com/read/28051912/utility-of-pet-ct-to-evaluate-retroperitoneal-lymph-node-metastasis-in-high-risk-endometrial-cancer-results-of-acrin-6671-gog-0233-trial
#7
Mostafa Atri, Zheng Zhang, Farrokh Dehdashti, Susanna I Lee, Helga Marques, Shamshad Ali, Wui-Jin Koh, Robert S Mannel, Paul DiSilvestro, Stephanie A King, Michael Pearl, XunClare Zhou, Marie Plante, Katherine M Moxley, Michael Gold
Purpose To assess the diagnostic accuracy of fluorine 18 fluorodeoxyglucose (FDG) positron emission tomography (PET) combined with diagnostic contrast material-enhanced computed tomography (CT) in detecting lymph node (LN) metastasis in high-risk endometrial cancer. Materials and Methods This prospective multicenter HIPAA-compliant study had institutional review board approval, and all participants gave written informed consent. Data were accrued between January 2010 and June 2013. Patients underwent PET/CT and pelvic and abdominal lymphadenectomy...
January 3, 2017: Radiology
https://www.readbyqxmd.com/read/28040204/molecular-approaches-for-classifying-endometrial-carcinoma
#8
REVIEW
Josep M Piulats, Esther Guerra, Marta Gil-Martín, Berta Roman-Canal, Sonia Gatius, Rebeca Sanz-Pamplona, Ana Velasco, August Vidal, Xavier Matias-Guiu
Endometrial carcinoma is the most common cancer of the female genital tract. This review article discusses the usefulness of molecular techniques to classify endometrial carcinoma. Any proposal for molecular classification of neoplasms should integrate morphological features of the tumors. For that reason, we start with the current histological classification of endometrial carcinoma, by discussing the correlation between genotype and phenotype, and the most significant recent improvements. Then, we comment on some of the possible flaws of this classification, by discussing also the value of molecular pathology in improving them, including interobserver variation in pathologic interpretation of high grade tumors...
December 28, 2016: Gynecologic Oncology
https://www.readbyqxmd.com/read/28040118/liquid-based-endometrial-cytology-associated-with-curettage-in-the-investigation-of-endometrial-carcinoma-in-postmenopausal-women
#9
Ke Ma, Xi Yang, Rui Chen, Jian Zhao, Ying Dong, Nai-Yi Zhang, Xiu-Hua Ma, Qin-Ping Liao
OBJECTIVE: The aim of this study was to investigate the diagnostic accuracy of liquid-based endometrial cytology in postmenopausal women, in comparison with histology. MATERIALS AND METHODS: There were 790 postmenopausal women scheduled for hysteroscopy enrolled in this study. After providing informed consent, all patients proceeded sequentially through endometrial cytology, hysteroscopy, and then dilatation and curettage (D&C). Cytology sampling was performed by brushing the uterus cavity using SAP-1 and the sample was prepared to liquid-based smear using SurePath technology...
December 2016: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28027320/genomic-analysis-of-uterine-lavage-fluid-detects-early-endometrial-cancers-and-reveals-a-prevalent-landscape-of-driver-mutations-in-women-without-histopathologic-evidence-of-cancer-a-prospective-cross-sectional-study
#10
Navya Nair, Olga Camacho-Vanegas, Dmitry Rykunov, Matthew Dashkoff, Sandra Catalina Camacho, Cassie A Schumacher, Jonathan C Irish, Timothy T Harkins, Elijah Freeman, Isaac Garcia, Elena Pereira, Sviatoslav Kendall, Rachel Belfer, Tamara Kalir, Robert Sebra, Boris Reva, Peter Dottino, John A Martignetti
BACKGROUND: Endometrial cancer is the most common gynecologic malignancy, and its incidence and associated mortality are increasing. Despite the immediate need to detect these cancers at an earlier stage, there is no effective screening methodology or protocol for endometrial cancer. The comprehensive, genomics-based analysis of endometrial cancer by The Cancer Genome Atlas (TCGA) revealed many of the molecular defects that define this cancer. Based on these cancer genome results, and in a prospective study, we hypothesized that the use of ultra-deep, targeted gene sequencing could detect somatic mutations in uterine lavage fluid obtained from women undergoing hysteroscopy as a means of molecular screening and diagnosis...
December 2016: PLoS Medicine
https://www.readbyqxmd.com/read/28007752/assessment-of-the-uterus-with-three-dimensional-ultrasound-in-women-undergoing-art
#11
REVIEW
Sotirios H Saravelos, Kannamannadiar Jayaprakasan, Kamal Ojha, Tin-Chiu Li
BACKGROUND: A detailed assessment of the uterus forms a pivotal part of the ART treatment process. The emergence of three-dimensional ultrasound (3D US) has provided clinicians with a highly powerful tool in this respect. Assessments with 3D US range from the reconstruction of anatomical planes elusive to conventional US, to the objective measurement of anatomical volumes and vascularization parameters. However, despite the ever increasing number of publications emerging in the literature, the question of which aspects of 3D US are of most clinical value remains a topic of debate...
December 21, 2016: Human Reproduction Update
https://www.readbyqxmd.com/read/28000202/micro-rna-signature-of-lymphovascular-space-involvement-in-type-1-endometrial-cancer
#12
Geoffroy Canlorbe, Mathieu Castela, Sofiane Bendifallah, Zhe Wang, Marine Lefevre, Nathalie Chabbert-Buffet, Selim Aractingi, Emile DaraÏ, Céline Méhats, Marcos Ballester
OBJECTIVE: Lymphovascular space involvement (LVSI) is a major prognostic factor in type 1 endometrial cancer (EC). However, its use has been criticized because of poor subjectivity. MicroRNA signatures have recently been linked to EC pathologic characteristics. The aim of this study was to evaluate whether microRNA profiles of type 1 EC can be related to LVSI status and used as a tool to adapt therapy. STUDY DESIGN: MicroRNA expression was assessed by chip analysis and qRT-PCR in 12 formalin-fixed paraffin-embedded grade 2 EC specimens with positive LVSI and in 12 specimens with negative LVSI...
December 21, 2016: Histology and Histopathology
https://www.readbyqxmd.com/read/27998856/-expression-of-atpase-inhibitory-factor-1-in-normal-and-pathological-tissues-of-female-reproductive-system
#13
Jun Zhao, Xiao Liu, Ya-Li Li
OBJECTIVE: To determine ATPase inhibitory factor 1 (IF1) expression in normal and pathological tissue of female reproductive system to better understand the physiological role of IF1 in malignancies of the female reproductive system. METHODS: Surgical specimens of normal tissues and primary malignant tumors were obtained during the past 2 years, including 38 normal endometrium tissues, 33 endometriosis tissues, 30 endometrial adenocarcinoma tissues, 24 uterine myoideum tissues, 30 uterine fibroid tissues, 18 normal cervical tissues, 30 cervical squamous carcinoma tissues, 11 fallopian tube tissues, 19 fallopian tube adenocarcinoma tissues, 15 ovarian tissues, 21 ovarian endometrial adenocarinoma tissues, 30 decidua tissues, and 30 villus tissues...
December 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/27994920/does-preoperative-diagnosis-of-endometrial-hyperplasia-necessitate-intraoperative-frozen-section-consultation
#14
Gokhan Boyraz, Derman Başaran, Mehmet C Salman, Nejat Özgül, Kunter Yüce
BACKGROUND: In women with endometrial hyperplasia, there is a risk for co-existent endometrial cancer when patients are subjected to immediate surgical treatment. AIMS: The aim of this study was to investigate the frequency of endometrial cancer and the accuracy of frozen section analysis at the time of hysterectomy among patients with endometrial hyperplasia, to reveal whether or not a preoperative diagnosis of endometrial hyperplasia necessitates frozen section consultation...
November 2016: Balkan Medical Journal
https://www.readbyqxmd.com/read/27993884/misdiagnosis-analysis-of-cervical-minimal-deviation-adenocarcinoma-a-report-of-three-rare-cases-and-literature-review
#15
REVIEW
Mingxing Sui, Yanling Pei, Dong Li, Qiaori Li, Peining Zhu, Tianmin Xu, Manhua Cui
Cervical minimal deviation adenocarcinoma (MDA) is a rare variant of cervical adenocarcinoma that is difficult to diagnose due to the deep location, endogenous growth pattern, deceptively benign appearance of tumor cells, and lack of connection to human papillomavirus (HPV). Cytological evaluation and biopsies offer suboptimal detection and transvaginal sonography or Magnetic Resonance Imaging (MRI) only reveal multiple lesions that mimic multiple benign nabothian cysts. Besides, standard screening, diagnostic tools, and treatments are not established...
December 2016: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/27993480/bokhman-redux-endometrial-cancer-types-in-the-21st-century
#16
Adrian A Suarez, Ashley S Felix, David E Cohn
In 1983 Jan V. Bokhman, M.D. published a landmark paper entitled "Two Pathogenetic Types of Endometrial Carcinoma" in which an enduring dualistic view of endometrial cancer was first proposed. "Type I" cancers are thought to represent estrogen driven mostly low grade endometrioid tumors strongly associated with obesity and other components of the metabolic syndrome. "Type II" cancers represent higher grade non-endometrioid tumors for which the latter associations are less significant. Basic tenets of this dichotomy including significant prognostic differences have been abundantly confirmed by later literature...
December 16, 2016: Gynecologic Oncology
https://www.readbyqxmd.com/read/27980219/overactive-mtor-signaling-leads-to-endometrial-hyperplasia-in-aged-women-and-mice
#17
Preety Bajwa, Sarah Nielsen, Janine M Lombard, Loui Rassam, Pravin Nahar, Bo R Rueda, J Erby Wilkinson, Richard A Miller, Pradeep S Tanwar
During aging, uncontrolled epithelial cell proliferation in the uterus results in endometrial hyperplasia and/or cancer development. The mTOR signaling pathway is one of the major regulators of aging as suppression of this pathway prolongs lifespan in model organisms. Genetic alterations in this pathway via mutations and/or amplifications are often encountered in endometrial cancers. However, the exact contribution of mTOR signaling and uterine aging to endometrial pathologies is currently unclear. This study examined the role of mTOR signaling in uterine aging and its implications in the development of endometrial hyperplasia...
December 12, 2016: Oncotarget
https://www.readbyqxmd.com/read/27979878/implications-of-telomeres-and-telomerase-in-endometrial-pathology
#18
REVIEW
D K Hapangama, A Kamal, G Saretzki
BACKGROUND: Eukaryotic chromosomal ends are linear and are protected by nucleoprotein complexes known as telomeres. The complex structural anatomy and the diverse functions of telomeres as well as the unique reverse transcriptase enzyme, telomerase that maintains telomeres are under intensive scientific scrutiny. Both are involved in many human diseases including cancer, but also in ageing and chronic disease such as diabetes. Their intricate involvement in many cellular processes and pathways is being dynamically deciphered in many organs including the endometrium...
December 15, 2016: Human Reproduction Update
https://www.readbyqxmd.com/read/27959395/microrna-expression-profiles-and-networks-in-cxcl12%C3%A2-stimulated-human-endometrial-stromal-cells
#19
Jie Mei, Ming-Qing Li, Da-Jin Li, Hai-Xiang Sun
The chemokine stromal cell-derived factor-1 (C-X-C motif chemokine ligand 12; CXCL12) is important in the recruitment of leukocytes to the peritoneal cavity and the regulation of endometriotic tissue growth in endometriosis patients. However, the alterations in microRNA (miRNA) expression induced by CXCL12 remain to be fully elucidated. The present study evaluated key miRNAs in CXCL12‑stimulated endometrial stromal cells (ESCs), and investigated the underlying cellular regulatory mechanisms of CXCL12 in endometriosis by building networks between miRNAs, genes and gene ontologies (GOs)...
January 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27935919/hysteroscopy-in-abnormal-uterine-bleeding-vs-ultrasonography-and-histopathology-report-in-perimenopausal-and-postmenopausal-women
#20
J Sharma, S Tiwari
INTRODUCTION: Abnormal uterine bleeding is one of the most common morbidity landing women to attend medical attention in gynecology outpatient department. This study aims to evaluate the hysteroscopy finding in diagnosis of AUB and its correlation with ultrasonography finding and histopathological reports. METHODS: This was a prospective comparative study in which ultrasonography was performed in fifty patients with abnormal uterine bleeding attending OPD then hysteroscopy was performed...
July 2016: JNMA; Journal of the Nepal Medical Association
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