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https://www.readbyqxmd.com/read/28710714/disseminated-tumor-cells-are-not-associated-with-established-risk-factors-l1cam-immunoreactivity-and-outcome-in-endometrial-carcinoma
#1
Stefan Kommoss, Andreas D Hartkopf, Bernhard Krämer, Anne-Kathrin Bunz, Friederike Grevenkamp, Felix Kommoss, Jana Pasternak, Sabine M Arbabi, Markus Wallwiener, Annette Staebler, Sigurd F Lax, Sara Y Brucker, Florin-Andrei Taran
PURPOSE: The presence of disseminated tumor cells (DTC) in the bone marrow of endometrial carcinoma patients has been demonstrated previously. In contrast to breast cancer, no prognostic significance or association with clinicopathological features was revealed for endometrial carcinoma so far. The aim of this study was to investigate DTC in a large patient cohort with in-depth pathology review data available and to study DTC occurrence in the context of L1CAM and long-term disease specific follow-up...
July 14, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28614200/priority-for-description-of-the-melf-pattern-of-myoinvasive-endometrioid-carcinoma
#2
Shawn K Murray, Robert H Young
No abstract text is available yet for this article.
August 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28601659/endometrioid-endometrial-carcinomas-with-melf-type-of-myoinvasion-role-of-immunohistochemistry-in-the-detection-of-occult-lymph-node-metastases-and-their-clinical-significance
#3
Iñigo Espinosa, Neus Serrat, Gian Franco Zannoni, Ramón Rovira, Emanuela D'Angelo, Jaime Prat
In endometrioid endometrial carcinomas (EEC), MELF (microcystic, elongated and fragmented) myoinvasion is associated with easily overlooked lymph node metastases; however, the role of immunohistochemistry in their detection and their clinical significance have not been addressed. We identified MELF in 43 of 101 (43%) myoinvasive EECs. Nodes were removed in 49 (49%), 25 with MELF and 24 without MELF. Metastases were initially reported in 3 of the former (12%) and 2 of the latter (8%). All negative nodes were reviewed and cytokeratin immunohistochemistry was performed...
June 7, 2017: Human Pathology
https://www.readbyqxmd.com/read/28498288/priority-for-description-of-the-melf-pattern-of-myoinvasive-endometrioid-carcinoma
#4
Adrian A Suarez, Amy S Joehlin-Price
No abstract text is available yet for this article.
May 11, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28468037/-microcystic-elongated-and-fragmented-invasive-pattern-in-endometrial-adenocarcinoma-a-clinicopathologic-analysis-of-72-cases
#5
D Hu, H J Zhang, W C Shen, W F Zhu, L Li, X D Lin, J P Lu, X W Zheng, C Wang, X R Zhou
Objective: To investigate the clinicopathologic features of microcystic, elongated and fragmented (MELF) pattern invasion of endometrial adenocarcinoma. Methods: HE and immunohistochemistry staining method were used to analysis morphologic features and immunophenotype of 72 patients of endometrial adenocarcinoma with MELF pattern invasion, and chi-square test was used to analysis the clinicopathologic features. Results: The mean age of 72 patients was 54 years (40 to 70 years). Thirty-two patients were pre-menopausal and 40 were post-menopausal...
May 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28418994/clinicopathologic-association-and-prognostic-value-of-microcystic-elongated-and-fragmented-melf-pattern-in-endometrial-endometrioid-carcinoma
#6
Atsushi Kihara, Hiroshi Yoshida, Reiko Watanabe, Kenta Takahashi, Tomoyasu Kato, Yoshinori Ino, Masanobu Kitagawa, Nobuyoshi Hiraoka
Microcystic, elongated, and fragmented (MELF) pattern is seen in the invasive front of some endometrial endometrioid carcinomas. Although MELF pattern can be expected as an indicator of patient outcomes, its prognostic significance remains unclear. This study was conducted to elucidate clinicopathologic features and the prognostic impact of MELF pattern in patients with endometrial endometrioid carcinoma. We retrospectively analyzed data of 479 consecutive patients with endometrial endometrioid carcinoma that had been surgically resected...
July 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28319574/melf-pattern-for-predicting-lymph-node-involvement-and-survival-in-grade-i-ii-endometrioid-type-endometrium-cancer
#7
Muzaffer Sanci, Kemal Güngördük, Varol Gülseren, Tuğba Karadeniz, Mustafa Kocaer, Ozgu Gungorduk, İsa A Özdemir
The aim of this study was to examine the associations between microcystic, elongated, and fragmented (MELF) pattern and other prognostic factors and lymph node involvement, disease-free survival, and overall survival (OS) using a case-control group consisting of grade I-II endometrioid endometrial carcinoma (EEC) patients with/without lymph node involvement. The files of the patients were searched electronically for all hysterectomy specimens with a diagnosis of grade I-II EEC of the uterine body from January 1, 2008 to July 31, 2014...
March 17, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28319570/microcystic-elongated-and-fragmented-pattern-invasion-in-ovarian-endometrioid-carcinoma-immunohistochemical-profile-and-prognostic-implications
#8
Allison Goldberg, Lauren Hand, Dan DeCotiis, Norman Rosenblum, Joanna Chan
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...
March 17, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28277316/cxcl14-cxcr4-and-cxcl12-cxcr4-axes-may-play-important-roles-in-the-unique-invasion-process-of-endometrioid-carcinoma-with-melf-pattern-myoinvasion
#9
Sakiko Kojiro-Sanada, Kaori Yasuda, Shin Nishio, Sachiko Ogasawara, Jun Akiba, Kimio Ushijima, Hirohisa Yano
The term "MELF-pattern myometrial invasion" (MELF pattern) denotes an unusual morphology of myometrial invasion in endometrioid carcinomas, and is associated with frequent lymphovascular invasion and lymph node metastasis. In this study, tumor cells were directly collected from a MELF pattern site, using laser microdissection. Comprehensive microarray analysis of the genes was conducted, and based on the results, expression of a metastasis progression gene, CXCR4, and its ligands CXCL14 and CXCL12, was further investigated...
March 8, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/27864117/microcystic-elongated-and-fragmented-pattern-invasion-is-mainly-associated-with-isolated-tumor-cell-pattern-metastases-in-international-federation-of-gynecology-and-obstetrics-grade-i-endometrioid-endometrial-cancer
#10
Mathieu P Pelletier, Vincent Q Trinh, Philippe Stephenson, Anne-Marie Mes-Masson, Vanessa Samouelian, Diane M Provencher, Kurosh Rahimi
Although many studies have evaluated the impact of mismatch repair protein loss of expression (MMR LOE) or microcystic, elongated, and fragmented (MELF) pattern of myometrial invasion as individual factors in endometrial cancer, we analyzed the combined impact of both. We reviewed every case of International Federation of Gynecology and Obstetrics (FIGO) grade 1 endometrioid endometrial cancers (EECs) from our institution, between 2011 and 2015, that had a sentinel lymph node biopsy and/or a lymphadenectomy, and examined the following data: age, myometrial infiltration, MELF infiltration, lymphovascular space invasion, and lymph node status...
April 2017: Human Pathology
https://www.readbyqxmd.com/read/27757531/-metastatic-mechanisms-of-uterine-malignancies-and-therapeutic-consequences
#11
S F Lax, K F Tamussino, P F Lang
Malignancies of the uterus metastasize by direct invasion of neighboring structures, lymphatically or hematogenously. Endometrial and cervical cancers lymphatically spread to the pelvic and para-aortic lymph nodes. For endometrial cancer the depth of myometrial invasion, lymphosvascular space involvement (LVSI) and a microcystic, elongated and fragmented (MELF) glandular invasion pattern are predictors for lymph node metastases. Metastases to the pelvic lymph nodes occur in approximately 10 % of endometrial cancer patients and in 30 % of these cases the para-aortic lymph nodes are also involved...
November 2016: Der Pathologe
https://www.readbyqxmd.com/read/27740968/the-microcystic-elongated-and-fragmented-melf-pattern-of-invasion-a-single-institution-report-of-464-consecutive-figo-grade-1-endometrial-endometrioid-adenocarcinomas
#12
Amy S Joehlin-Price, Kelsey E McHugh, Julie A Stephens, Zaibo Li, Floor J Backes, David E Cohn, David W Cohen, Adrian A Suarez
MELF invasion has been associated with nonvaginal recurrences and lymph node (LN) metastases in multi-institutional case control studies but has not been well examined in large single-institution cohorts. Hysterectomy specimens with FIGO 1 endometrioid endometrial carcinoma and lymphadenectomies from 2007 to 2012 were identified. Electronic medical records and histologic slides were reviewed. Of 464 identified cases, 163 (35.1%) were noninvasive, 60 (12.9%) had MELF, 222 (47.8%) had a component of the infiltrative invasion pattern without MELF, 13 (2...
January 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27740962/endometrial-endometrioid-carcinoma-with-large-cystic-growth-configuration-and-deceptive-pattern-of-invasion-associated-with-abundant-nodular-fasciitis-like-stroma-a-unique-hitherto-unreported-histology-in-endometrioid-carcinoma
#13
Marián Švajdler, Michael Michal, Pavol Dubinský, Peter Švajdler, Ondrej Ondič, Michal Michal
We describe a case of an unusual endometrial endometrioid carcinoma occurring in a 67-year-old woman. The tumor involved uterine corpus as well as lower uterine segment and presented as polypoid tumor protruding through the cervical orifice. Microscopically, the tumor was characterized by broad zones of cytologically bland fibromyxoid stroma resembling nodular fasciitis, showing vaguely nodular architecture. Neoplastic glands were characterized by interconnected elongated slit-like and large cystic profiles, mostly lined by flattened epithelium with variable squamous differentiation, whereas typical columnar endometrioid cells were only focally present...
November 2016: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/27695947/l1cam-amending-the-low-risk-category-in-endometrial-carcinoma
#14
Felix Kommoss, Friedrich Kommoss, Friederike Grevenkamp, Anne-Kathrin Bunz, Florin-Andrei Taran, Falko Fend, Sara Y Brucker, Diethelm Wallwiener, Birgitt Schönfisch, Karen Greif, Sigurd Lax, Annette Staebler, Stefan Kommoss
PURPOSE: Low- and intermediate-risk endometrial carcinomas have an excellent prognosis. Nonetheless, a small subgroup of such patients will experience unexpected relapse. Recently L1CAM was suggested to be a strong prognosticator in endometrial carcinoma. The focus of our study was on low- and intermediate-risk disease, where no or only limited adjuvant treatment is recommended according to current guidelines. METHODS: Endometrial carcinomas of low, intermediate and high-intermediate risk according to published 2016 consensus guidelines were identified...
February 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/27348205/s100a4-accelerates-the-proliferation-and-invasion-of-endometrioid-carcinoma-and-is-associated-with-the-melf-pattern
#15
Shinichiro Tahara, Satoshi Nojima, Kenji Ohshima, Yumiko Hori, Masako Kurashige, Naoki Wada, Jun-Ichiro Ikeda, Eiichi Morii
Endometrioid carcinoma (EC) is one of the most common malignancies of the female genital system. Although the behavior of EC ranges from an excellent prognosis to aggressive disease with a poor outcome, the factors that determine its diversity have not been determined. Here, we show that S100A4, a calcium-binding protein of the EF-hand type, is correlated with the proliferation and invasion ability of EC. We demonstrated previously that EC cells with high aldehyde dehydrogenase (ALDH) activity were more tumorigenic than ALDH-lo cells...
September 2016: Cancer Science
https://www.readbyqxmd.com/read/26715172/how-to-approach-the-many-faces-of-endometrioid-carcinoma
#16
REVIEW
Anais Malpica
This article reviews the salient features of variants of endometrioid carcinoma (ECa) that can pose a diagnostic challenge and/or are associated with unique clinicopathological findings. Variants with distinct architectural and cytologic features include the following: (1) ECa with a villoglandular pattern (tumor with finger-like papillae lined by bland cells with a tendency for vascular/lymphatic invasion and lymph node metastasis once this pattern is seen within the myoinvasive component); (2) papillary ECa of intermediate grade (grade 2) (tumor that can be mistaken for serous carcinoma, as it contains papillae showing slightly irregular contours, moderately atypical cells, and it is associated with vascular/lymphatic invasion/lymph node metastasis, but with common association with mucinous metaplasia, MELF (microcystic, elongated, and fragmented) pattern of invasion, and wild p53 expression); (3) ECa with non-villous papillae (tumor containing pseudopapillae within glands with bland-appearing cytology commonly associated with abortive squamous differentiation and otherwise not different from usual ECa); (4) ECa with microglandular-like pattern (tumor that mimics microglandular hyperplasia of the cervix, often lacking the typical appearance of microglandular hyperplasia and showing Ki-67 index >10%, strong CD10 expression, and negative PAX-2, p63, and CD34); and (5) ECa with sex cord-like formations and hyalinization (tumor with interconnected cords and nests of bland epithelioid and spindled cells that merge with a typical component of low-grade ECa, usually associated with squamous differentiation and hyalinization)...
January 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/26598984/assessing-residents-frozen-section-skills-for-endometrial-cancer
#17
William Selove, Leslie S Bradford, Yuxin Liu
Intraoperative frozen section (IFS) on endometrial cancer is an invaluable skill for pathologists-in-training to master. Within limited time constraints, pathologists are expected to determine tumor type, grade, and depth of myometrial invasion. During their training, pathology residents gradually gain experience in handling the majority of cases. However, significant errors can still be seen among senior level trainees. We aimed to improve training effectiveness by evaluating our trainees' performance, identifying common errors, and recommending focused curriculum...
September 2016: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/26264257/risk-factor-analysis-of-recurrence-in-low-grade-endometrial-adenocarcinoma
#18
MULTICENTER STUDY
Andres A Roma, Lisa A Rybicki, Denise Barbuto, Elizabeth Euscher, Bojana Djordjevic, Elizabeth Frauenhoffer, Insun Kim, Sung Ran Hong, Delia Montiel, Rouba Ali-Fehmi, Anais Malpica, Elvio G Silva
Prognosis of endometrial adenocarcinoma is favorable; however, the risk of recurrence ranges from 7% to 13%. Recurrence has been related to age, tumor type, International Federation of Gynecology and Obstetrics grade, depth of invasion, and lymphovascular invasion (LVI); however, morphologic features that would predict the site of recurrence have not been established. In this multi-institutional study, we reviewed 589 patients with International Federation of Gynecology and Obstetrics grades 1 or 2 endometrial adenocarcinoma, endometrioid type...
October 2015: Human Pathology
https://www.readbyqxmd.com/read/26081087/-a-mouse-model-for-acute-otitis-media-via-transbullar-injection
#19
Yifei Huang, Chunfang Jin, Yun Xiang, Lei Wang, Zimeng Wang, Wei Wang, Yujuan He
OBJECTIVE: To develop a mouse model for acute otitis media (AOM) via transbullar injection method and evaluate its feasibility and practicability. METHODS: The middle ears (ME) of C57BL/6 mice were inoculated via transbullar injection method with 5 µl streptococcus pneumoniae (S.pn) 19F suspension (1×10(7) CFU/ml), and the control group was inoculated equivalent phosphate buffered solution (PBS). Behavior changes were observed daily following inoculation. The ME tissues for histological examination and the middle ear lavage fluid (MELF) for total cells quantification, S...
April 2015: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/25934020/assessing-cesarean-section-and-inguinal-hernia-repair-as-proxy-indicators-of-the-total-number-of-surgeries-performed-in-sierra-leone-in-2012
#20
Anders W Bjerring, Marius E Lier, Siri Malene Rød, Pia Fiskaa Vestby, Klaus Melf, Birger H Endreseth, Øyvind Salvesen, Johan von Schreeb, Arne Wibe, Thaim Buim Kamara, Håkon Angell Bolkan
BACKGROUND: The traditional tools to assess surgical capacity in low-income countries require significant amounts of time and resources, and have thus not been utilized systematically in this context. Proxy indicators have been suggested as a simpler tool to estimate surgical volume. The aim of this study was to assess caesarean section and inguinal hernia repair as proxy indicators of the total number of surgeries performed per capita in a given region of sub-Saharan Africa. METHODS: Surgical data was compiled from 58 health institutions (96...
May 2015: Surgery
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