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Endometrial pathology

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https://www.readbyqxmd.com/read/29344951/the-rise-of-a-novel-classification-system-for-endometrial-carcinoma-integration-of-molecular-subclasses
#1
REVIEW
Jessica McAlpine, Alicia Leon-Castillo, Tjalling Bosse
Endometrial cancer is a clinically heterogeneous disease and it is becoming increasingly clear that this heterogeneity may be a function of the diversity of the underlying molecular alterations. Recent large scale genomic studies have revealed that endometrial cancer can be divided into at least four distinct molecular subtypes, with well described underlying genomic aberrations. These subtypes can be reliably delineated and carry significant prognostic as well as predictive information; embracing and incorporating them into clinical practice is thus attractive...
January 17, 2018: Journal of Pathology
https://www.readbyqxmd.com/read/29344151/expression-of-ezh2-in-endometrial-carcinoma-and-its-effects-on-proliferation-and-invasion-of-endometrial-carcinoma-cells
#2
Yuting Gu, Jing Zhang, Huai Guan
Expression of enhancer of zeste homolog 2 (EZH2) has been implicated in cancer pathology, but research on its mechanistic activity is limited. The present study sought to assess the levels expression of EZH2 in patients with endometrial carcinoma (EC) and to explore the effects of EZH2 downregulation on the biological behavior of endometrial carcinoma RL-952 cells. Samples were obtained from a total of 104 patients with EC and an immunohistochemical assay was used to detect the expression of EZH2 in cancer and adjacent tissues...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29333623/evaluation-of-universal-immunohistochemical-screening-of-sebaceous-neoplasms-in-a-service-setting
#3
K Schon, E Rytina, J Drummond, J Simmonds, S Abbs, R Sandford, M Tischkowitz
BACKGROUND: Muir-Torre syndrome (MTS) is a subtype of Lynch syndrome, which encompasses the combination of sebaceous skin tumours or keratoacanthomas and internal malignancy, due to mutations in DNA mismatch repair genes. Sebaceous neoplasms (SNs) may occur before other malignancies, and may lead to the diagnosis, which allows testing of other family members, cancer surveillance, risk-reducing surgery or prevention therapies. AIM: To evaluate the efficacy of universal immunohistochemistry (IHC) screening of SNs in a service setting...
January 14, 2018: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29317075/the-origin-of-endometriosis-associated-ovarian-cancer-from-uterine-neoplastic-lesions
#4
Elisabetta Garavaglia, Cristina Sigismondi, Stefano Ferrari, Massimo Candiani
Endometriosis is a risk factor for type I epithelial ovarian cancer but an issue to be clarified is the site of origin of endometriosis associated ovarian cancer. Here we proposed that the uterus may be the organ of origin of ovarian endometrioid cancer associated with endometriosis. Thus, the first neoplastic transformation would characterize the uterine cells migrating in the pelvis via retrograde menstruation and they would implant secondarily on the ovary. Supporting this hypothesis, an higher incidence of synchronous precancerous and cancerous endometrial pathology in patients affected by ovarian endometrioid cancer associated with endometriosis was showed...
January 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29316321/the-role-of-peritoneal-washings-in-the-diagnosis-of-endometriosis
#5
Richard L Cantley, Lorene Yoxtheimer, Stacy Molnar
Endometriosis, the presence of endometrial tissue outside the uterine corpus, is a common finding in reproductive age women. It is classically diagnosed based on the presence of at least two of the following elements: endometrial glands, endometrial stroma, and hemosiderin-laden macrophages (HLMs). Although a common finding in surgical pathology specimens at the time of gynecologic surgery, there is little literature on the role of pelvic washings in diagnosing endometriosis. Our study aimed to examine the characteristics of endometriosis in pelvic washings at the time of gynecologic surgery...
January 8, 2018: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/29316073/involvement-of-immune-cells-in-the-pathogenesis-of-endometriosis
#6
Gentaro Izumi, Kaori Koga, Masashi Takamura, Tomoko Makabe, Erina Satake, Arisa Takeuchi, Ayumi Taguchi, Yoko Urata, Tomoyuki Fujii, Yutaka Osuga
Endometriosis is characterized by the implantation and growth of endometriotic tissues outside the uterus. It is widely accepted the theory that endometriosis is caused by the implantation of endometrial tissue from retrograde menstruation; however, retrograde menstruation occurs in almost all women and other factors are required for the establishment of endometriosis, such as cell survival, cell invasion, angiogenesis, and cell growth. Immune factors in the local environment may, therefore, contribute to the formation and progression of endometriosis...
January 5, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29314167/comparative-histomorphological-study-of-endometrium-in-mares
#7
M Herrera, J M Herrera, S Cantatore, J Aguilar, A Felipe, E Fumuso
Uterine acute post-breeding inflammation is a physiological tissue response to the entry of exogenous elements, with persistent endometritis being the main pathology responsible for subfertility in the mare (Equus ferus caballus; Linnaeus, 1758). Mares can be classified as susceptible or resistant to endometritis according to their ability to remove intrauterine fluid within 48 hr after experimental inoculation. Endometrial biopsy is a technique that is commonly used to establish the degree of lesions that can affect the fertility of the mare...
January 3, 2018: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/29310409/analysis-of-diagnosis-and-treatment-of-complicated-cervical-severe-adhesion-atresia-after-removal-of-endometrial-stromal-nodule-a-case-report
#8
Rui Zhang, Pei Gu, Qi Liu, Bin Li, Wenpei Bai
RATIONALE: Endometrial stromal nodule (ESN) is a rare benign endometrial stroma tumor.Experiences are helpful for avoiding and treating similar postoperative complications (cervical adhesions and atresia). PATIENT CONCERNS: When appearing in the cervical, this tumor can easily lead to complications after the surgical resection. The diagnosis and postsurgery complication of a young woman's ESN was reported here. DIAGNOSES: The postoperative pathological diagnosis was ESN...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29306233/vanishing-endometrial-carcinoma-in-hysterectomy-specimens-probable-implications-for-fertility-sparing-management
#9
Murat Öz, Alper Karalök, Levent Şirvan, Tolga Taşçı, Reyhan Öcalan, Ahmet Taner Turan, Tayfun Güngör, Mehmet Mutlu Meydanlı
Background/aim: The vanishing cancer phenomenon was first reported in radical prostatectomy specimens in the absence of neo-adjuvant treatment. Reported cases are mostly well-differentiated and low-volume tumors. A similar entity was described for hysterectomy specimens of patients with biopsy proven endometrial cancer (EC). In this study, we discuss the probable reasons for vanishing EC and long-term follow-up results of EC patients without residual tumors in hysterectomy specimens. Materials and methods: This study was carried at two institutions in Ankara, Turkey, in a retrospective design...
December 19, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29303931/prognostic-significance-of-omental-disease-and-the-role-of-omental-sampling-in-patients-with-uterine-carcinosarcoma
#10
Malcolm Strachan Ross, Esther Elishaev, Jessica Layne Berger, Joseph Leo Kelley, Sarah Elizabeth Taylor
OBJECTIVES: Uterine carcinosarcomas are an aggressive and rare form of endometrial cancer. Omentectomy is not part of routine staging, but biopsy is often done because omental disease is a known poor prognostic indicator. We sought to define the role of routine omental sampling during surgical staging. METHODS/MATERIALS: Patients who underwent staging for uterine carcinosarcoma at our institution from January 2000 to December 2013 were identified. Clinical and pathological data were abstracted...
January 4, 2018: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29299770/a-role-for-the-endometrial-microbiome-in-dysfunctional-menstrual-bleeding
#11
Elise S Pelzer, Dana Willner, Melissa Buttini, Flavia Huygens
This study aimed to characterise the microbial community within the endometrial cavity and endocervix in women with menorrhagia or dysmenorrhea. Paired endocervical and endometrial biopsy samples were collected from women undergoing operative hysteroscopy and/or laparoscopy. Samples were cohorted based on pathology, indications for surgery, and histological dating of the endometrium. Samples were interrogated for the presence of microbial DNA using a two-step next generation sequencing technology approach to exploit the V5-V8 regions of the 16S rRNA gene...
January 3, 2018: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29299762/risk-reduction-surgery-rrs-for-tubo-ovarian-cancer-in-an-irish-gynaecological-practice-an-analysis-of-indications-and-outcomes
#12
Claire Thompson, Ciara McCormick, Waseem Kamran, Ciaran O'Riain, Lucy Norris, David Gallagher, Noreen Gleeson
BACKGROUND: High-grade serous carcinoma (HGSC) is the most common tubo-ovarian cancer. The fallopian tube harbours the precursor lesion: serous tubal intraepithelial carcinoma (STIC). Bilateral salpingo-oophorectomy is an effective risk-reducing surgical (RRS) strategy for breast cancer susceptibility gene mutation carriers (BRCAm). The value of RRS in those without defined genetic risk is unknown but these women represent a substantial cohort in prophylactic surgical practice. METHODS: This is a retrospective review of RRS at an Irish university teaching hospital...
January 3, 2018: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/29298821/physiological-and-pathological-implications-of-retinoid-action-in-the-endometrium
#13
Yanwen Jiang, Lu Chen, Robert Taylor, Chunjin Li, Xu Zhou
Retinol (vitamin A) and its derivatives, collectively known as retinoids, are required for maintaining vision, immunity, barrier function, reproduction, embryogenesis, and cell proliferation and differentiation. Despite the fact that most events in the endometrium are predominantly regulated by steroid hormones (estrogens and progesterone), accumulating evidence shows that retinoid signaling is also involved in the development and maintenance of the endometrium, stromal decidualization, and blastocyst implantation...
January 3, 2018: Journal of Endocrinology
https://www.readbyqxmd.com/read/29295713/pathological-and-molecular-diagnosis-of-bilateral-inguinal-lymph-nodes-metastases-from-low-grade-endometrial-adenocarcinoma-a-case-report-with-review-of-the-literature
#14
Anna Myriam Perrone, Giulia Girolimetti, Simona Cima, Ivana Kurelac, Alessandra Livi, Giacomo Caprara, Donatella Santini, Paolo Castellucci, Alessio Giuseppe Morganti, Giuseppe Gasparre, Pierandrea De Iaco
BACKGROUND: Extra-abdominal metastases in low grade endometrial carcinoma are rare events. Inguinal lymphatic spread occurs usually in advanced disease and is associated with abdominal lymph nodes involvement. To our knowledge, isolated inguinal lymph node metastases in patients with early endometrial carcinoma have never been described thus far. CASE PRESENTATION: We present an uncommon case of inguinal lymph node metastasis in a 51-year old patient with early endometrial disease without other metastatic involvement...
January 2, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29290906/cesarean-section-scar-endometrioma-a-case-report-and-review-of-the-literature
#15
Madison Kocher, Andrew Hardie, Amanda Schaefer, Thomas McLaren, Mark Kovacs
Endometriomas can occur after any surgery where there is endometrial manipulation, and there are a number of reports of endometriomas developing in the abdominal wall at the site of the Pfannenstiel incision following Cesarean-section. Although this is ultimately a histopathologically-confirmed diagnosis, preoperative imaging including ultrasound, computed tomography, and magnetic resonance imaging may be helpful in the diagnosis and assessment. We report a pathology-confirmed case of Cesarean-section endometrioma with a classic, clinical presentation and imaging findings on computed tomography...
December 2017: Journal of Radiology Case Reports
https://www.readbyqxmd.com/read/29290489/the-utility-of-sentinel-lymph-node-mapping-in-the-management-of-endometrial-atypical-hyperplasia
#16
Omar Touhami, Jean Grégoire, Marie-Claude Renaud, Alexandra Sebastianelli, Katherine Grondin, Marie Plante
OBJECTIVES: To determine the risk of endometrial cancer (EC) and lymph node involvement in patients with a preoperative diagnosis of "AH-only" versus "AH - cannot rule out carcinoma" and to study the value of SLN mapping. METHODS: We reviewed all patients with a preoperative diagnosis of atypical hyperplasia, who underwent primary surgery with SLN mapping followed by pelvic lymphadenectomy. Sensitivity and negative predictive value (NPV) of SLN and rates of endometrial cancer were calculated...
December 28, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/29285481/comparing-the-frequency-of-endometritis-in-unexplained-infertility-and-anovulatory-infertility
#17
Ataollah Ghahiri, Bahare Malekzadeh, Hatav Ghassemi Tehrani
Background: Acute pelvic inflammatory disease (PID) is a common reason for infertility. This study aimed to evaluate the frequency distribution of endometritis in women with unexplained infertility and comparison with frequency distribution of endometritis in anovulatory infertility to identify the importance of endometritis due to subacute PID evaluation in the case of infertility. Materials and Methods: This case-control study was done on 100 women with unexplained infertility and ovulatory infertility who referred to Shahid Beheshti clinic in 2013 in Isfahan, Iran...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29285365/dedifferentiated-endometrial-carcinoma-a-report-of-three-cases-and-review-of-the-literature
#18
Ryo Yokomizo, Kyosuke Yamada, Yasushi Iida, Takako Kiyokawa, Kazu Ueda, Motoaki Saito, Nozomu Yanaihara, Mayo Nakamura, Aikou Okamoto
Dedifferentiated endometrial carcinoma, which is defined microscopically as the co-existence of undifferentiated carcinoma and grade 1 or 2 endometrioid adenocarcinoma, is an aggressive type of cancer regardless of the percentage of undifferentiated components. It is reported that undifferentiated carcinoma comprises 9% of endometrial carcinoma. The percentage of dedifferentiated endometrial carcinoma has been hypothesized to be 40% of undifferentiated carcinoma. A precise pathological diagnosis is essential for defining the appropriate therapeutic approach and prognosis...
December 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29285310/role-of-preoperative-magnetic-resonance-imaging-and-histological-assessment-in-identifying-patients-with-a-low-risk-of-endometrial-cancer-a-korean-gynecologic-oncology-group-ancillary-study
#19
Jung-Yun Lee, Yun Hwan Kim, Jong-Min Lee, Kidong Kim, Sokbom Kang, Myong Cheol Lim, Beob-Jong Kim, Bang Hyun Lee, Jae Weon Kim
Preoperative identification of individuals at low risk of lymph node metastasis is key to the proper management of endometrial cancer. This study evaluated the role of preoperative assessment based on magnetic resonance imaging (MRI) and histological analysis in identifying a group having a low risk of lymph node metastasis. Data of 529 patients with endometrial cancer were obtained from a prospective multicenter database, between January 2012 and December 2014. Clinical staging, based on MRI and histological analysis, was compared with final pathology results after the surgical staging procedure...
December 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/29284899/myometrium-invasion-tumour-size-and-lymphovascular-invasion-as-a-prognostic-factor-in-dissemination-of-pelvic-lymphatics-at-endometrial-carcinoma
#20
Nenad Lucic, Dragica Draganovic, Sanja Sibincic, Vesna Ecim-Zlojutro, Snjezana Milicevic
Objective: The aim of this work is to show the importance of the depth of myometrium invasion, tumour size and lymphovascular invasion as prognostic factors in dissemination of lymphatic nodes at endometrial carcinoma (CE). Materials and methods: In the period from 2010 to 2015 at the University Clinic for Gynecology and Obstetrics in Banja Luka, 221 endometrial cancer surgeries were done (laparatomy 184-83%, laparascopy 37-16,74%). Patients who had uterus bleeding in peri/postmenopause or those whose endometrium thickness was bigger than 5 mm which was established by ultrasound, or those who had in their cavum uteri pathological (PH) diagnosis, underwent fractional curettage (FC) or hysteroscopy in order to obtain pathohistological endometrium diagnosis...
October 2017: Medical Archives
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