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Endometrial pathology

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https://www.readbyqxmd.com/read/27921235/transplantation-of-collagen-scaffold-with-autologous-bone-marrow-mononuclear-cells-promotes-functional-endometrium-reconstruction-via-downregulating-%C3%AE-np63-expression-in-asherman-s-syndrome
#1
Guangfeng Zhao, Yun Cao, Xianghong Zhu, Xiaoqiu Tang, Lijun Ding, Haixiang Sun, Juan Li, Xinan Li, Chenyan Dai, Tong Ru, Hui Zhu, Jingjie Lu, Caimei Lin, Jingmei Wang, Guijun Yan, Huiyan Wang, Lei Wang, Yimin Dai, Bin Wang, Ruotian Li, Jianwu Dai, Yan Zhou, Yali Hu
Asherman's syndrome (AS) is a common disease that presents endometrial regeneration disorder. However, little is known about its molecular features of this aregenerative endometrium in AS and how to reconstruct the functioning endometrium for the patients with AS. Here, we report that ΔNp63 is significantly upregulated in residual epithelial cells of the impaired endometrium in AS; the upregulated-ΔNp63 induces endometrial quiescence and alteration of stemness. Importantly, we demonstrate that engrafting high density of autologous bone marrow mononuclear cells (BMNCs) loaded in collagen scaffold onto the uterine lining of patients with AS downregulates ΔNp63 expression, reverses ΔNp63-induced pathological changes, normalizes the stemness alterations and restores endometrial regeneration...
December 1, 2016: Science China. Life Sciences
https://www.readbyqxmd.com/read/27920066/new-concepts-for-an-old-problem-the-diagnosis-of-endometrial-hyperplasia
#2
REVIEW
Peter A Sanderson, Hilary O D Critchley, Alistair R W Williams, Mark J Arends, Philippa T K Saunders
BACKGROUND: Endometrial hyperplasia (EH) is a uterine pathology representing a spectrum of morphological endometrial alterations. It is predominantly characterized by an increase in the endometrial gland-to-stroma ratio when compared to normal proliferative endometrium. The clinical significance of EH lies in the associated risk of progression to endometrioid endometrial cancer (EC) and 'atypical' forms of EH are regarded as premalignant lesions. Traditional histopathological classification systems for EH exhibit wide and varying degrees of diagnostic reproducibility and, as a consequence, standardized patient management can be challenging...
December 4, 2016: Human Reproduction Update
https://www.readbyqxmd.com/read/27916168/preoperative-diagnosis-of-tumor-grade-and-type-in-endometrial-cancer-by-pipelle-sampling-and-hysteroscopy-results-of-a-french-study
#3
REVIEW
Juliette Phelippeau, Geoffroy Canlorbe, Sofiane Bendifallah, Iptissem Naoura, Marine Lefevre, Marcos Ballester, Emile Daraï
BACKGROUND: No data are available to establish whether operative hysteroscopy is superior to standard pipelle sampling to determine histological and grade status in endometrial cancer (EC). The aim of this study was to evaluate whether pipelle device sampling or operative hysteroscopy had an impact on preoperative determination of histological and grade status in EC and consequently on surgical management. METHODS: Data of 224 women with EC receiving primary surgical treatment between 2002 and 2014 were abstracted from a single institution with maintained database...
December 2016: Surgical Oncology
https://www.readbyqxmd.com/read/27916063/-clinical-application-of-adult-comorbidity-evaluation-27-in-endometrial-cancer
#4
W Y Tian, Y M Wang, Y Yan, J P Gao, D D Sun, S Jiang, Y Sheng, F Teng, F X Xue
Objective: To investigate the significant role of the clinical application of adult comorbidity evaluation-27 (ACE-27) in endometrial cancer (EC). Methods: A total of 847 EC patients were included during Jan. 1985 to Dec. 2015 from Tianjin Medical University General Hospital. The clinical data of the patients were collected and analyzed retrospectively. All of the patients were received operation with no chemotherapy and radiotherapy before operation. The average age was 57.6 years old (range from 25 to 85 years old)...
November 25, 2016: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/27916062/-perioperational-management-of-gynecological-cancer-patients-with-severe-internal-medical-complications-a-serial-of-37-clinical-cases
#5
J Hu, W Q Lyu, Y L Guo, H W Wen, H Qiao, Y Qu
Objective: To evaluate the effectiveness and safety of perioperational management of gynecological cancer patients with severe internal medical complications. Methods: We collected 37 cases of gynecological cancer patients with severe internal medical complications who were hospitalized in Peking University First Hospital from Jan. 2010 to Nov. 2014. All of the cases were planned to move to ICU right after operation based on the preoperational assessment of anesthetist and physician. The median age was 69.4 years, and 25 cases (68%,25/37) of them were over 70 years old...
November 25, 2016: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/27914766/histomorphological-changes-in-endometriosis-in-a-patient-treated-with-ulipristal-a-case-report
#6
J Bateman, O Bougie, S Singh, S Islam
BACKGROUND: Selective progesterone receptor modulators have shown efficacy in the treatment of endometriosis, however they are not currently licensed in Canada for this purpose. Their histomorphological effects have been well documented in the endometrium, but not in endometriosis. CASE REPORT: The patient presented with uterine fibroids and heavy menstrual bleeding, and was treated with ulipristal acetate over three 90-day courses. She eventually elected to undergo definitive surgical management...
October 25, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27913486/heavy-menstrual-bleeding-work-up-and-management
#7
Andra H James
Heavy menstrual bleeding (HMB), which is the preferred term for menorrhagia, affects ∼90% of women with an underlying bleeding disorder and ∼70% of women on anticoagulation. HMB can be predicted on the basis of clots of ≥1 inch diameter, low ferritin, and "flooding" (a change of pad or tampon more frequently than hourly). The goal of the work-up is to determine whether there is a uterine/endometrial cause, a disorder of ovulation, or a disorder of coagulation. HMB manifest by flooding and/or prolonged menses, or HMB accompanied by a personal or family history of bleeding is very suggestive of a bleeding disorder and should prompt a referral to a hematologist...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913053/intestinal-metaplasia-of-appendiceal-endometriosis-is-not-uncommon-and-may-mimic-appendiceal-mucinous-neoplasm
#8
Monika Vyas, Serena Wong, Xuchen Zhang
Endometriosis of the appendix can be an incidental finding or a cause of appendicitis, intussusception, perforation or retention mucocele. Intestinal metaplasia of appendiceal endometriosis may occur, which can lead to a misdiagnosis of low-grade appendiceal mucinous neoplasm. On a retrospective search of the pathology database from 2001 to 2015, we identified 78 appendiceal endometriosis cases and intestinal metaplasia was present in 10/78 (13%) cases. In most of the cases (90%), the foci of intestinal metaplasia were mainly localized close to the mucosa...
October 25, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27912906/patient-and-provider-factors-associated-with-endometrial-pipelle-sampling-failure
#9
Shalkar Adambekov, Sharon L Goughnour, Suketu Mansuria, Nicole Donnellan, Esther Elishaev, Hugo J Villanueva, Robert P Edwards, Dana H Bovbjerg, Faina Linkov
OBJECTIVE: To explore risk factors associated with sampling failure in women who underwent Pipelle biopsy. METHODS: A consecutive sample of 201 patient records was selected from women who underwent Pipelle biopsy procedures for suspected uterine pathology in a large healthcare system over a 6-month period (January 2013 through June 2013). Personal and medical data including age, BMI, gravidity and parity, and previous history of Pipelle biopsy were abstracted from medical records for each patient...
November 29, 2016: Gynecologic Oncology
https://www.readbyqxmd.com/read/27910946/ki-67-in-endometrial-cancer-scoring-optimization-and-prognostic-relevance-for-window-studies
#10
Sarah Kitson, Vanitha N Sivalingam, James Bolton, Rhona McVey, Mashid Nickkho-Amiry, Melanie E Powell, Alexandra Leary, Hans W Nijman, Remi A Nout, Tjalling Bosse, Andrew G Renehan, Henry C Kitchener, Richard J Edmondson, Emma J Crosbie
Ki-67, a marker of cellular proliferation, is increasingly being used in pre-surgical window studies in endometrial cancer as a primary outcome measure. Unlike in breast cancer, however, there are no guidelines standardizing its measurement and its clinical relevance as a response biomarker is undetermined. It is, therefore, imperative that Ki-67 scoring protocols are optimized and its association with patient survival rigorously evaluated, in order to be able to clinically interpret the results of these studies...
December 2, 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27910070/mig-6-mouse-model-of-endometrial-cancer
#11
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/27910069/lkb1-as-a-tumor-suppressor-in-uterine-cancer-mouse-models-and-translational-studies
#12
Christopher G Peña, Diego H Castrillón
The LKB1 tumor suppressor was identified in 1998 as the gene mutated in the Peutz-Jeghers Syndrome (PJS), a hereditary cancer predisposition characterized by gastrointestinal polyposis and a high incidence of cancers, particularly carcinomas, at a variety of anatomic sites including the gastrointestinal tract, lung, and female reproductive tract. Women with PJS have a high incidence of carcinomas of the uterine corpus (endometrium) and cervix. The LKB1 gene is also somatically mutated in human cancers arising at these sites...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27910065/pathology-of-endometrial-carcinoma
#13
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/27905110/distinct-molecular-landscapes-between-endometrioid-and-non-endometrioid-uterine-carcinomas
#14
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/27900877/mesenchymal-stem-cells-a-promising-tool-for-targeted-gene-therapy-of-endometriosis
#15
Aghila Rani Koippallil Gopalakrishnan, Uday Kishore, Taruna Madan
Endometriosis is a leading, benign gynecological disorder around the world. Last few years have witnessed tremendous growth in the field of endometriosis and endometrial stem-cell research. Despite advancements in the biology and pathology of endometriosis, disease recurrence is still an enigma. Gene therapy holds promise in treating many pathologic conditions including endometriosis. Mesenchymal stem cells (MSCs) serve as ideal candidates for regenerative medicine and cell-based therapies. Owing to their specificity to the endometrium, residing endometrial MSC populations could be utilized as ideal candidates for targeting endometrial disorders...
November 30, 2016: Regenerative Medicine
https://www.readbyqxmd.com/read/27898420/long-non-coding-rna-bancr-promotes-endometrial-cancer-cell-proliferation-and-invasion-by-regulating-mmp2-and-mmp1-via-erk-mapk-signaling-pathway
#16
Danni Wang, Danbo Wang, Ning Wang, Zaiqiu Long, Xuemei Ren
BACKGROUND/AIMS: Microarray screening had found BRAF-activated non-coding RNA (BANCR) was significantly upregulated in type 1 endometrial cancer (EC). This study aimed to assess the potential role of long non-coding RNA (lncRNA) BANCR in the pathogenesis and progression of type 1 EC. METHODS: Quantitative reverse transcription polymerase chain reaction (qRT-PCR) was used to confirm the expression of BANCR in type 1 EC tissue, and analyze its clinical significance...
November 30, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27895728/quantitative-contrast-enhanced-ultrasonography-for-the-differential-diagnosis-of-endometrial-hyperplasia-and-endometrial-neoplasms
#17
Ying Liu, Yi Xu, Wen Cheng, Xinghan Liu
The present study aimed to investigate the feasibility of applying contrast-enhanced ultrasonography (CEUS) imaging technology for distinguishing between benign and malignant endometrial lesions, and to screen markers that could be correlated with the pathological results. In this study, endometrial diseases were diagnosed by biopsy under hysteroscopy and CEUS examinations. The intensity and time parameters of the time-intensity curve (TIC) were analyzed. The mean arrival time (AT), time-to-peak (TTP), rise time (RT), washout half-time and clearance half-time of malignant lesions were shorter than those of benign lesions (P<0...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27894164/preoperative-ca125-and-fibrinogen-in-patients-with-endometrial-cancer-a-risk-model-for-predicting-lymphovascular-space-invasion
#18
Xingchen Zhou, Husheng Wang, Xipeng Wang
OBJECTIVE: The aim of this study was to build a model to predict the risk of lymphovascular space invasion (LVSI) in women with endometrial cancer (EC). METHODS: From December 2010 to June 2013, 211 patients with EC undergoing surgery at Shanghai First Maternity and Infant Hospital were enrolled in this retrospective study. Those patients were divided into a positive LVSI group and a negative LVSI group. The clinical and pathological characteristics were compared between the two groups; logistic regression was used to explore risk factors associated with LVSI occurrence...
October 27, 2016: Journal of Gynecologic Oncology
https://www.readbyqxmd.com/read/27884207/potential-contribution-of-the-uterine-microbiome-in-the-development-of-endometrial-cancer
#19
Marina R S Walther-António, Jun Chen, Francesco Multinu, Alexis Hokenstad, Tammy J Distad, E Heidi Cheek, Gary L Keeney, Douglas J Creedon, Heidi Nelson, Andrea Mariani, Nicholas Chia
BACKGROUND: Endometrial cancer studies have led to a number of well-defined but mechanistically unconnected genetic and environmental risk factors. One of the emerging modulators between environmental triggers and genetic expression is the microbiome. We set out to inquire about the composition of the uterine microbiome and its putative role in endometrial cancer. METHODS: We undertook a study of the microbiome in samples taken from different locations along the female reproductive tract in patients with endometrial cancer (n = 17), patients with endometrial hyperplasia (endometrial cancer precursor, n = 4), and patients afflicted with benign uterine conditions (n = 10)...
November 25, 2016: Genome Medicine
https://www.readbyqxmd.com/read/27884089/an-animal-model-of-effects-of-nicotine-exposure-on-endometrial-receptivity-and-embryo-implantation-in-pregnancy
#20
Yaşam Kemal Akpak, Yasemin Çekmez, Aslı Erdoğan Çakır, Nilay Karaca, Gonca Batmaz, Serdar Gülşen, Esra Tuştaş Haberal
OBJECTIVE: This study aims at evaluating the endometrial receptivity in uterus of pregnant rats exposed to nicotine via examination of integrin expression by immunohistochemical effect. METHODS: In this study, 16 healthy pregnant rats were divided into two groups of control and study groups each comprising 8 rats. The rats randomised to study group were given a certain amount of nicotine before and during the pregnancy. Integrin expression was detected in uterus of all rats by immunohistochemical staining...
November 24, 2016: Journal of Maternal-fetal & Neonatal Medicine
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