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https://www.readbyqxmd.com/read/28621321/bcor-is-a-robust-diagnostic-immunohistochemical-marker-of-genetically-diverse-high-grade-endometrial-stromal-sarcoma-including-tumors-exhibiting-variant-morphology
#1
Sarah Chiang, Cheng-Han Lee, Colin J R Stewart, Esther Oliva, Lien N Hoang, Rola H Ali, Martee L Hensley, Javier A Arias-Stella, Denise Frosina, Achim A Jungbluth, Ryma Benayed, Marc Ladanyi, Meera Hameed, Lu Wang, Yu-Chien Kao, Cristina R Antonescu, Robert A Soslow
Recognition of high-grade endometrial stromal sarcoma is important because of its aggressive clinical behavior. Morphologic features of YWHAE-NUTM2 high-grade endometrial stromal sarcoma may overlap with other uterine sarcoma types. BCOR immunoexpression was studied in these tumors and their morphologic mimics to assess its diagnostic utility. BCOR immunohistochemical staining was performed on archival tissue from 28 high-grade endometrial stromal sarcomas with classic morphology (20 YWHAE-NUTM2, 5 ZC3H7B-BCOR, 3 BCOR-ZC3H7B), 3 high-grade endometrial stromal sarcomas with unusual morphology and unknown gene rearrangement status, 66 low-grade endometrial stromal sarcomas, 21 endometrial stromal nodules, 38 uterine leiomyosarcomas, and 19 uterine leiomyomas...
June 16, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28609585/immunoexpression-of-p16-in-uterine-leiomyomas-with-infarct-type-necrosis-an-analysis-of-35-cases
#2
Philip P C Ip, Diana Lim, Annie N Y Cheung, Esther Oliva
AIMS: Uterine leiomyosarcomas frequently show p16 immunoexpression. However, p16 may also be expressed in some benign leiomyoma variants such as leiomyomas with bizarre nuclei and cellular leiomyomas, limiting its utility as a biomarker to distinguish between benign and malignant neoplasms. We investigated p16 expression in leiomyomas with infarct-type necrosis, tumours which may sometimes be misinterpreted as smooth muscle tumors of uncertain malignant potential or even leiomyosarcoma on conventional light microscopy...
June 13, 2017: Histopathology
https://www.readbyqxmd.com/read/28319579/vulvar-carcinosarcoma-composed-of-intestinal-type-mucinous-adenocarcinoma-associated-with-anaplastic-pleomorphic-and-spindle-cell-carcinoma-and-heterologous-chondrosarcomatous-and-osteosarcomatous-elements-a-case-report-and-review-of-the-literature
#3
Leonardo Lordello, Patricia Webb, Esther Oliva
Carcinosarcomas (CS) are exceedingly rare in the vulva, with only 3 cases reported in the English literature, associated with squamous cell carcinoma (2) or spiradenocarcinoma (1). We first report a vulvar CS with intestinal-type mucinous adenocarcinoma associated with anaplastic pleomorphic and spindle cell carcinoma and heterologous chondro- and osteosarcomatous elements in a 62-year-old woman, who presented with a painless, slow-growing vulvar cyst for almost 2 years, that rapidly enlarged and hardened in the last 4 months forming a mass...
March 17, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28296680/primitive-neuroectodermal-tumors-of-the-female-genital-tract-a-morphologic-immunohistochemical-and-molecular-study-of-19-cases
#4
Sarah Chiang, Matija Snuderl, Sakiko Kojiro-Sanada, Ariadna Quer Pi-Sunyer, Dean Daya, Tohru Hayashi, Luisanna Bosincu, Fumihiro Ogawa, Andrew E Rosenberg, Lars-Christian Horn, Lu Wang, A John Iafrate, Esther Oliva
Primary primitive neuroectodermal tumor (PNET) of the female genital tract is rare, and its proper classification remains unclear. The clinical, histologic, and immunophenotypic features as well as EWSR1 rearrangement status of 19 gynecologic PNETs, including 10 ovarian, 8 uterine, and 1 vulvar tumors, are herein reported. Patient age ranged from 12 to 68 years, with a median age of 20 and 51 years among those with ovarian and uterine PNETs, respectively. Morphologic features of central nervous system (CNS) tumors were seen in 15 PNETs, including 9 medulloblastomas, 3 ependymomas, 2 medulloepitheliomas, and 1 glioblastoma, consistent with central PNET...
June 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28248726/pax8-positive-biphasic-synovial-sarcoma-expressing-hormonal-receptors
#5
Leonardo Lordello, Martin E Bur, Esther Oliva, Jochen K Lennerz
PAX8, estrogen receptor-α (ERα) and progesterone receptor (PR) are markers usually expressed in neoplasms of müllerian origin. We report a subdiaphragmal mass in a 41-year-old woman corresponding to a malignant biphasic tumor with nests of epithelial-like cells forming variably sized cyst-like spaces alternating with spindle cells forming intersecting fascicles. The later were juxtaposed to coalescent densely cellular nodules of spindle cells with appreciable cytologic atypia and mitotic counts up to 30/10 high-power fields...
February 28, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28221217/interobserver-reproducibility-among-gynecologic-pathologists-in-diagnosing-heterologous-osteosarcomatous-component-in-gynecologic-tract-carcinosarcomas
#6
Ankur R Sangoi, Malti Kshirsagar, Andres A Roma, Andrew E Horvai, Mamatha Chivukula, Lora H Ellenson, Oluwole Fadare, Ann K Folkins, Karuna Garg, Krisztina Hanley, Teri A Longacre, Jacqueline Haas, W Glenn McCluggage, Jesse K McKenney, Marisa R Nucci, Esther Oliva, Kay J Park, Vinita Parkash, Charles M Quick, Joseph T Rabban, Joanne K L Rutgers, Robert Soslow, Russell Vang, Anna Yemelyanova, Charles Zaloudek, Andrew H Beck
Distinguishing hyalinized stroma from osteoid production by a heterologous osteosarcomatous component can be challenging in gynecologic tract carcinosarcomas. As heterologous components in a carcinosarcoma may have prognostic and therapeutic implications, it is important that these are recognized. This study examines interobserver reproducibility among gynecologic pathologists in the diagnosis of osteosarcomatous components, and its correlation with expression of the novel antibody SATB2 (marker of osteoblastic differentiation) in these osteosarcomatous foci...
July 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28181955/minutes-of-the-business-meeting-of-the-international-society-of-gynecological-pathologists-isgyp-seattle-13th-march-2016
#7
Esther Oliva, W Glenn McCluggage
No abstract text is available yet for this article.
March 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28162984/eltrombopag-versus-placebo-for-low-risk-myelodysplastic-syndromes-with-thrombocytopenia-eqol-mds-phase-1-results-of-a-single-blind-randomised-controlled-phase-2-superiority-trial
#8
Esther N Oliva, Caterina Alati, Valeria Santini, Antonella Poloni, Alfredo Molteni, Pasquale Niscola, Flavia Salvi, Grazia Sanpaolo, Enrico Balleari, Ulrich Germing, Pierre Fenaux, Aspasia Stamatoullas, Giuseppe A Palumbo, Prassede Salutari, Stefana Impera, Paolo Avanzini, Agostino Cortelezzi, Anna Marina Liberati, Paola Carluccio, Francesco Buccisano, Maria Teresa Voso, Stefano Mancini, Austin Kulasekararaj, Fortunato Morabito, Monica Bocchia, Patrizia Cufari, Maria Antonietta Aloe Spiriti, Irene Santacaterina, Maria Grazia D'Errigo, Irene Bova, Gina Zini, Roberto Latagliata
BACKGROUND: In myelodysplastic syndromes, thrombocytopenia is associated with mortality, but treatments in this setting are scarce. We tested whether eltrombopag, a thrombopoietin receptor agonist, might be effective in improving thrombocytopenia in lower-risk myelodysplastic syndromes and severe thrombocytopenia. METHODS: EQoL-MDS was a single-blind, randomised, controlled, phase 2 superiority trial of adult patients with low-risk or International Prognostic Scoring System intermediate-1-risk myelodysplastic syndromes and severe thrombocytopenia...
March 2017: Lancet Haematology
https://www.readbyqxmd.com/read/28009610/alveolar-soft-part-sarcoma-of-the-female-genital-tract-a-morphologic-immunohistochemical-and-molecular-cytogenetic-study-of-10-cases-with-emphasis-on-its-distinction-from-morphologic-mimics
#9
MULTICENTER STUDY
J Kenneth Schoolmeester, Joseph Carlson, Gary L Keeney, Karen J Fritchie, Esther Oliva, Robert H Young, Marisa R Nucci
Alveolar soft part sarcoma (ASPS) is a morphologically distinctive neoplasm of unknown differentiation that bears a characteristic gene fusion involving ASPSCR1 and TFE3. ASPS can occur in the female genital tract, but is rare. Eleven cases with an initial diagnosis of ASPS at female genital tract sites were evaluated for their morphologic features and immunoprofile using a panel of antibodies (TFE3, HMB45, melan-A, smooth muscle actin, desmin, and h-Caldesmon). In addition, the presence of TFE3 rearrangement and subsequent ASPSCR1-TFE3 fusion were determined by fluorescence in situ hybridization...
May 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27915441/ovarian-metastasis-from-uveal-melanoma-with-mlh1-pms2-protein-loss-in-a-patient-with-germline-mlh1-mutated-lynch-syndrome-consequence-or-coincidence
#10
João Lobo, Carla Pinto, Micaela Freitas, Manuela Pinheiro, Rámon Vizcaino, Esther Oliva, Manuel R Teixeira, Carmen Jerónimo, Carla Bartosch
Currently, uveal melanoma is not considered within the Lynch syndrome tumor spectrum. However, there are studies suggesting a contribution of microsatellite instability in sporadic uveal melanoma tumorigenesis. We report a 45-year-old woman who was referred for genetic counseling due to a family history of Lynch syndrome caused by a MLH1 mutation. She originally underwent enucleation of the right eye secondary to a uveal spindle cell melanoma diagnosed at age 25. The tumor recurred 22 years later presenting as an ovarian metastasis and concurrently a microscopic endometrial endometrioid carcinoma, grade 1/3 was diagnosed...
March 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/27895324/molecular-genetic-heterogeneity-in-undifferentiated-endometrial-carcinomas
#11
Juan M Rosa-Rosa, Susanna Leskelä, Eva Cristóbal-Lana, Almudena Santón, Ma Ángeles López-García, Gloria Muñoz, Belen Pérez-Mies, Michele Biscuola, Jaime Prat, Oliva E Esther, Robert A Soslow, Xavier Matias-Guiu, Jose Palacios
No abstract text is available yet for this article.
December 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27801954/the-world-health-organization-2016-classification-of-testicular-non-germ-cell-tumours-a-review-and-update-from-the-international-society-of-urological-pathology-testis-consultation-panel
#12
REVIEW
Muhammad T Idrees, Thomas M Ulbright, Esther Oliva, Robert H Young, Rodolfo Montironi, Lars Egevad, Daniel Berney, John R Srigley, Jonathan I Epstein, Satish K Tickoo
The World Health Organization (WHO) released a new tumour classification for the genitourinary system in early 2016 after consensus by pathologists with expertise in these organs. It utilized the framework of the 2004 classification, and incorporated the most up-to-date information concerning these tumours. In testicular tumours, the majority of the changes occurred in the nomenclature and classification of germ cell tumours; however, several modifications were also made for non-germ cell tumours. Among sex cord-stromal tumours, sclerosing Sertoli cell tumour (SCT) is no longer recognized as a separate entity but as a morphological variant of SCT not otherwise specified (NOS), as CTNNB1 gene mutations have been noted in both neoplasms but not in the other forms of SCT...
March 2017: Histopathology
https://www.readbyqxmd.com/read/27743968/-respiratory-viral-infections-in-a-cohort-of-children-during-the-first-year-of-life-and-their-role-in-the-development-of-wheezing
#13
Cristina Calvo, Isabel Aguado, María Luz García-García, Esther Ruiz-Chercoles, Eloisa Díaz-Martinez, Rosa María Albañil, Olga Campelo, Antonio Olivas, Luisa Muñóz-Gonzalez, Francisco Pozo, Rosa Fernandez-Arroyo, Adelaida Fernandez-Rincón, Ana Calderon, Inmaculada Casas
INTRODUCTION: It is known that infants with viral respiratory infections severe enough to require hospital admission have a high risk of developing recurrent wheezing. Few data have been published on unselected populations. The main aim of this study was to analyse symptomatic and asymptomatic respiratory viral infections during the first year of life in a cohort of infants, recruited at birth, and the development of recurrent wheezing. PATIENTS AND METHODS: A total of 302 newborns were recruited...
October 13, 2016: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/27677378/advancing-vector-biology-research-a-community-survey-for-future-directions-research-applications-and-infrastructure-requirements
#14
Alain Kohl, Emilie Pondeville, Esther Schnettler, Andrea Crisanti, Clelia Supparo, George K Christophides, Paul J Kersey, Gareth L Maslen, Willem Takken, Constantianus J M Koenraadt, Clelia F Oliva, Núria Busquets, F Xavier Abad, Anna-Bella Failloux, Elena A Levashina, Anthony J Wilson, Eva Veronesi, Maëlle Pichard, Sarah Arnaud Marsh, Frédéric Simard, Kenneth D Vernick
Vector-borne pathogens impact public health, animal production, and animal welfare. Research on arthropod vectors such as mosquitoes, ticks, sandflies, and midges which transmit pathogens to humans and economically important animals is crucial for development of new control measures that target transmission by the vector. While insecticides are an important part of this arsenal, appearance of resistance mechanisms is increasingly common. Novel tools for genetic manipulation of vectors, use of Wolbachia endosymbiotic bacteria, and other biological control mechanisms to prevent pathogen transmission have led to promising new intervention strategies, adding to strong interest in vector biology and genetics as well as vector-pathogen interactions...
June 2016: Pathogens and Global Health
https://www.readbyqxmd.com/read/27575783/usefulness-of-speckle-myocardial-imaging-modalities-for-differential-diagnosis-of-left-ventricular-non-compaction-of-the-myocardium
#15
Marcelino Cortés, María Reyes Oliva, Miguel Orejas, Miguel Angel Navas, Rosa María Rábago, Maria Esther Martínez, Mikel Taibo, Julia Palfy, Manuel Rey, Jerónimo Farré
BACKGROUND/OBJECTIVES: Current diagnostic criteria for left ventricular non-compaction (LVNC) may result in over-diagnosis of the disease. We evaluate the role of speckle imaging in differential diagnosis of LVNC. METHODS AND RESULTS: We included all patients who, between January 2012 and May 2015, fulfilled currently accepted criteria for LVNC (28 patients). A control group of 28 healthy individuals and a third group of 13 patients with dilated cardiomyopathy (DCM) were created...
November 15, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27491810/molecular-genetic-heterogeneity-in-undifferentiated-endometrial-carcinomas
#16
Juan M Rosa-Rosa, Susanna Leskelä, Eva Cristóbal-Lana, Almudena Santón, Ma Ángeles López-García, Gloria Muñoz, Belen Pérez-Mies, Michele Biscuola, Jaime Prat, Oliva E Esther, Robert A Soslow, Xavier Matias-Guiu, Jose Palacios
Undifferentiated and dedifferentiated endometrial carcinomas are rare and highly aggressive subtypes of uterine cancer, not well characterized at a molecular level. To investigate whether dedifferentiated carcinomas carry molecular genetic alterations similar to those of pure undifferentiated carcinomas, and to gain insight into the pathogenesis of these tumors, we selected a cohort of 18 undifferentiated endometrial carcinomas, 8 of them with a well-differentiated endometrioid carcinoma component (dedifferentiated endometrioid carcinomas), and studied them by immunohistochemistry and massive parallel and Sanger sequencing...
August 5, 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27365458/patient-centered-research-and-practice-in-the-era-of-genomics-a-novel-approach
#17
EDITORIAL
Sam Salek, Esther Oliva, Tatyana Ionova
No abstract text is available yet for this article.
July 2016: Haematologica
https://www.readbyqxmd.com/read/27340748/primary-endometrial-marginal-zone-lymphoma-malt-lymphoma-a-unique-clinicopathologic-entity
#18
Jennifer A Bennett, Esther Oliva, Valentina Nardi, Neal Lindeman, Judith A Ferry, Abner Louissaint
Primary lymphoma of the endometrium is exceptionally rare. Several cases of distinctly nodular lymphoid proliferations confined to the endometrium have previously been described and reported as lymphomas of mucosa-associated lymphoid tissue (MALT). We report the largest series (n=8) of these lymphomas, further defining their morphologic, immunohistochemical, and molecular spectrum. Patients ranged in age from 50 to 87 (median, 62) years. None had a prior history of lymphoma, and lesions were incidental in all but 1 in which a polyp was noted on macroscopic examination...
September 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27340747/pathologic-findings-in-prophylactic-and-nonprophylactic-hysterectomy-specimens-of-patients-with-lynch-syndrome
#19
Carla Bartosch, Ana S Pires-Luís, Catarina Meireles, Manuela Baptista, Alfredo Gouveia, Carla Pinto, Kristen M Shannon, Carmen Jerónimo, Manuel R Teixeira, José M Lopes, Esther Oliva
Women with Lynch syndrome (LS) have a high risk of developing endometrial carcinoma (EC) and, less frequently, ovarian carcinoma. As EC not uncommonly is the first malignancy, prophylactic hysterectomy (PH) has been increasingly implemented. In this study, we report the clinicopathologic features of a series of 70 LS patients who underwent either PH (n=39) or nonprophylactic hysterectomy (NPH) (n=31) at 3 tertiary referral centers. Among the 39 patients with PH, 2 had endometrial tumors seen grossly, whereas 37 showed no macroscopic lesions...
September 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27294874/a-calcium-and-calpain-dependent-pathway-determines-the-response-to-lenalidomide-in-myelodysplastic-syndromes
#20
Jing Fang, Xiaona Liu, Lyndsey Bolanos, Brenden Barker, Carmela Rigolino, Agostino Cortelezzi, Esther N Oliva, Maria Cuzzola, H Leighton Grimes, Celia Fontanillo, Kakajan Komurov, Kyle MacBeth, Daniel T Starczynowski
Despite the high response rates of individuals with myelodysplastic syndrome (MDS) with deletion of chromosome 5q (del(5q)) to treatment with lenalidomide (LEN) and the recent identification of cereblon (CRBN) as the molecular target of LEN, the cellular mechanism by which LEN eliminates MDS clones remains elusive. Here we performed an RNA interference screen to delineate gene regulatory networks that mediate LEN responsiveness in an MDS cell line, MDSL. We identified GPR68, which encodes a G-protein-coupled receptor that has been implicated in calcium metabolism, as the top candidate gene for modulating sensitivity to LEN...
July 2016: Nature Medicine
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