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https://www.readbyqxmd.com/read/29049607/dose-response-association-of-cd8-tumor-infiltrating-lymphocytes-and-survival-time-in-high-grade-serous-ovarian-cancer
#1
Ellen L Goode, Matthew S Block, Kimberly R Kalli, Robert A Vierkant, Wenqian Chen, Zachary C Fogarty, Aleksandra Gentry-Maharaj, Aleksandra Toloczko, Alexander Hein, Aliecia L Bouligny, Allan Jensen, Ana Osorio, Andreas D Hartkopf, Andy Ryan, Anita Chudecka-Glaz, Anthony M Magliocco, Arndt Hartmann, Audrey Y Jung, Bo Gao, Brenda Y Hernandez, Brooke L Fridley, Bryan M McCauley, Catherine J Kennedy, Chen Wang, Chloe Karpinskyj, Christiani B de Sousa, Daniel G Tiezzi, David L Wachter, Esther Herpel, Florin Andrei Taran, Francesmary Modugno, Gregg Nelson, Jan Lubinski, Janusz Menkiszak, Jennifer Alsop, Jenny Lester, Jesús García-Donas, Jill Nation, Jillian Hung, José Palacios, Joseph H Rothstein, Joseph L Kelley, Jurandyr M de Andrade, Luis Robles-Díaz, Maria P Intermaggio, Martin Widschwendter, Matthias W Beckmann, Matthias Ruebner, Mercedes Jimenez-Linan, Naveena Singh, Oleg Oszurek, Paul R Harnett, Peter F Rambau, Peter Sinn, Philipp Wagner, Prafull Ghatage, Raghwa Sharma, Robert P Edwards, Roberta B Ness, Sandra Orsulic, Sara Y Brucker, Sharon E Johnatty, Teri A Longacre, Ursula Eilber, Valerie McGuire, Weiva Sieh, Yanina Natanzon, Zheng Li, Alice S Whittemore, Anna deFazio, Annette Staebler, Beth Y Karlan, Blake Gilks, David D Bowtell, Estrid Høgdall, Francisco J Candido Dos Reis, Helen Steed, Ian G Campbell, Jacek Gronwald, Javier Benítez, Jennifer M Koziak, Jenny Chang-Claude, Kirsten B Moysich, Linda E Kelemen, Linda S Cook, Marc T Goodman, María José García, Peter A Fasching, Stefan Kommoss, Suha Deen, Susanne K Kjaer, Usha Menon, James D Brenton, Paul D P Pharoah, Georgia Chenevix-Trench, David G Huntsman, Stacey J Winham, Martin Köbel, Susan J Ramus
Importance: Cytotoxic CD8+ tumor-infiltrating lymphocytes (TILs) participate in immune control of epithelial ovarian cancer; however, little is known about prognostic patterns of CD8+ TILs by histotype and in relation to other clinical factors. Objective: To define the prognostic role of CD8+ TILs in epithelial ovarian cancer. Design, Setting, and Participants: This was a multicenter observational, prospective survival cohort study of the Ovarian Tumor Tissue Analysis Consortium...
October 12, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/29017057/a-p53-super-tumor-suppressor-reveals-a-tumor-suppressive-p53-ptpn14-yap-axis-in-pancreatic-cancer
#2
Stephano S Mello, Liz J Valente, Nitin Raj, Jose A Seoane, Brittany M Flowers, Jacob McClendon, Kathryn T Bieging-Rolett, Jonghyeob Lee, Danton Ivanochko, Margaret M Kozak, Daniel T Chang, Teri A Longacre, Albert C Koong, Cheryl H Arrowsmith, Seung K Kim, Hannes Vogel, Laura D Wood, Ralph H Hruban, Christina Curtis, Laura D Attardi
The p53 transcription factor is a critical barrier to pancreatic cancer progression. To unravel mechanisms of p53-mediated tumor suppression, which have remained elusive, we analyzed pancreatic cancer development in mice expressing p53 transcriptional activation domain (TAD) mutants. Surprisingly, the p53(53,54) TAD2 mutant behaves as a "super-tumor suppressor," with an enhanced capacity to both suppress pancreatic cancer and transactivate select p53 target genes, including Ptpn14. Ptpn14 encodes a negative regulator of the Yap oncoprotein and is necessary and sufficient for pancreatic cancer suppression, like p53...
October 9, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28820749/surgical-pathology-of-gastrointestinal-stromal-tumors-practical-implications-of-morphologic-and-molecular-heterogeneity-for-precision-medicine
#3
Gregory W Charville, Teri A Longacre
Gastrointestinal stromal tumor (GIST), the most common mesenchymal neoplasm of the gastrointestinal tract, exhibits diverse histologic and clinical manifestations. With its putative origin in the gastrointestinal pacemaker cell of Cajal, GIST can arise in association with any portion of the tubular gastrointestinal tract. Morphologically, GISTs are classified as spindled or epithelioid, though each of these subtypes encompasses a broad spectrum of microscopic appearances, many of which mimic other histologic entities...
November 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28398952/vulvar-and-anal-intraepithelial-neoplasia-terminology-diagnosis-and-ancillary-studies
#4
REVIEW
Eric J Yang, Christina S Kong, Teri A Longacre
Currently, it is recognized that there is an HPV-related and an HPV-independent pathway to developing squamous cell carcinomas (SCC) in the anus and vulva. The majority of precursor lesions and SCC in the anus and vulva are high-risk HPV-associated, with HPV16 the most common type. Given the morphologic overlap and biological equivalence of HPV-related preinvasive squamous lesions of the lower anogenital tract, a unified, 2-tiered histopathologic nomenclature is now recommended. In contrast, mutations in the TP53 gene have been associated with HPV-independent vulvar and anal SCC...
May 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28301227/template-for-reporting-results-of-biomarker-testing-of-specimens-from-patients-with-carcinoma-of-the-endometrium
#5
Teri A Longacre, Russell Broaddus, Linus T Chuang, Michael B Cohen, Elke A Jarboe, George L Mutter, Christopher N Otis, Richard J Zaino
No abstract text is available yet for this article.
March 16, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28272465/reconstituting-development-of-pancreatic-intraepithelial-neoplasia-from-primary-human-pancreas-duct-cells
#6
Jonghyeob Lee, Emily R Snyder, Yinghua Liu, Xueying Gu, Jing Wang, Brittany M Flowers, Yoo Jung Kim, Sangbin Park, Gregory L Szot, Ralph H Hruban, Teri A Longacre, Seung K Kim
Development of systems that reconstitute hallmark features of human pancreatic intraepithelial neoplasia (PanINs), the precursor to pancreatic ductal adenocarcinoma, could generate new strategies for early diagnosis and intervention. However, human cell-based PanIN models with defined mutations are unavailable. Here, we report that genetic modification of primary human pancreatic cells leads to development of lesions resembling native human PanINs. Primary human pancreas duct cells harbouring oncogenic KRAS and induced mutations in CDKN2A, SMAD4 and TP53 expand in vitro as epithelial spheres...
March 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/28229344/variation-in-risk-and-outcomes-of-epstein-barr-virus-associated-breast-cancer-by-epidemiologic-characteristics-and-virus-detection-strategies-an-exploratory-study
#7
Sally L Glaser, Alison J Canchola, Theresa H M Keegan, Christina A Clarke, Teri A Longacre, Margaret L Gulley
PURPOSE: A relationship of Epstein-Barr virus (EBV) and breast cancer etiology and outcome may have clinical utility and potential to enhance understanding of tumor biology. Research to date has yielded variable results, likely reflecting differing virus detection assays and unaddressed epidemiologic heterogeneity across studies. METHODS: Applying our novel, five-target assay detection strategy in an exploratory study, we examined demographic, clinical, and tumor characteristics, and overall survival, associated with EBV positivity in breast adenocarcinomas from 59 non-Hispanic white and 68 Hispanic women sampled by age (<50, 50+) and stage (localized, regional/remote) and examined associations based on single assay targets...
April 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28221217/interobserver-reproducibility-among-gynecologic-pathologists-in-diagnosing-heterologous-osteosarcomatous-component-in-gynecologic-tract-carcinosarcomas
#8
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/27863403/enumeration-and-targeted-analysis-of-kras-braf-and-pik3ca-mutations-in-ctcs-captured-by-a-label-free-platform-comparison-to-ctdna-and-tissue-in-metastatic-colorectal-cancer
#9
Evelyn Kidess-Sigal, Haiyan E Liu, Melanie M Triboulet, James Che, Vishnu C Ramani, Brendan C Visser, George A Poultsides, Teri A Longacre, Andre Marziali, Valentina Vysotskaia, Matthew Wiggin, Kyra Heirich, Violet Hanft, Ulrich Keilholz, Ingeborg Tinhofer, Jeffrey A Norton, Mark Lee, Elodie Sollier-Christen, Stefanie S Jeffrey
Treatment of advanced colorectal cancer (CRC) requires multimodal therapeutic approaches and need for monitoring tumor plasticity. Liquid biopsy biomarkers, including CTCs and ctDNA, hold promise for evaluating treatment response in real-time and guiding therapeutic modifications. From 15 patients with advanced CRC undergoing liver metastasectomy with curative intent, we collected 41 blood samples at different time points before and after surgery for CTC isolation and quantification using label-free Vortex technology...
December 20, 2016: Oncotarget
https://www.readbyqxmd.com/read/27575375/pancreatic-cancer-surgical-resection-margins-molecular-assessment-by-mass-spectrometry-imaging
#10
Livia S Eberlin, Katherine Margulis, Ivette Planell-Mendez, Richard N Zare, Robert Tibshirani, Teri A Longacre, Moe Jalali, Jeffrey A Norton, George A Poultsides
BACKGROUND: Surgical resection with microscopically negative margins remains the main curative option for pancreatic cancer; however, in practice intraoperative delineation of resection margins is challenging. Ambient mass spectrometry imaging has emerged as a powerful technique for chemical imaging and real-time diagnosis of tissue samples. We applied an approach combining desorption electrospray ionization mass spectrometry imaging (DESI-MSI) with the least absolute shrinkage and selection operator (Lasso) statistical method to diagnose pancreatic tissue sections and prospectively evaluate surgical resection margins from pancreatic cancer surgery...
August 2016: PLoS Medicine
https://www.readbyqxmd.com/read/27487741/low-grade-serous-carcinoma-of-the-ovary-clinicopathologic-analysis-of-52-invasive-cases-and-identification-of-a-possible-noninvasive-intermediate-lesion
#11
Geunghwan Ahn, Ann K Folkins, Jesse K McKenney, Teri A Longacre
Low-grade serous carcinoma (LGSC) is an uncommon but distinct histologic subtype of ovarian carcinoma. Although the histologic features and natural history of LGSC have been described in the literature, there is no robust correlative study that has specifically addressed histologic features in correlation with clinical follow-up. To refine the criteria for invasion patterns of LGSC and determine additional clinically pertinent morphologic features of LGSC predisposing to a more aggressive clinical course, the clinicopathologic features of 52 LGSCs were evaluated and compared with those of a large series of serous borderline tumors (SBT), with and without invasive implants...
September 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27428735/classification-of-extraovarian-implants-in-patients-with-ovarian-serous-borderline-tumors-tumors-of-low-malignant-potential-based-on-clinical-outcome
#12
Jesse K McKenney, C Blake Gilks, Steve Kalloger, Teri A Longacre
The classification of extraovarian disease into invasive and noninvasive implants predicts patient outcome in patients with high-stage ovarian serous borderline tumors (tumors of low malignant potential). However, the morphologic criteria used to classify implants vary between studies. To date, there has been no large-scale study with follow-up data comparing the prognostic significance of competing criteria. Peritoneal and/or lymph node implants from 181 patients with high-stage serous borderline tumors were evaluated independently by 3 pathologists for the following 8 morphologic features: micropapillary architecture; glandular architecture; nests of epithelial cells with surrounding retraction artifact set in densely fibrotic stroma; low-power destructive tissue invasion; single eosinophilic epithelial cells within desmoplastic stroma; mitotic activity; nuclear pleomorphism; and nucleoli...
September 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27255163/pattern-classification-of-endocervical-adenocarcinoma-reproducibility-and-review-of-criteria
#13
Joanne K L Rutgers, Andres A Roma, Kay J Park, Richard J Zaino, Abbey Johnson, Isabel Alvarado, Dean Daya, Golnar Rasty, Teri A Longacre, Brigitte M Ronnett, Elvio G Silva
Previously, our international team proposed a three-tiered pattern classification (Pattern Classification) system for endocervical adenocarcinoma of the usual type that correlates with nodal disease and recurrence. Pattern Classification-A tumors have well-demarcated glands lacking destructive stromal invasion or lymphovascular invasion, Pattern Classification-B tumors show localized, limited destructive invasion arising from A-type glands, and Pattern Classification-C tumors have diffuse destructive stromal invasion, significant (filling a 4 × field) confluence, or solid architecture...
September 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27241104/lynch-syndrome-female-genital-tract-cancer-diagnosis-and-screening
#14
REVIEW
Anne M Mills, Teri A Longacre
Lynch syndrome is responsible for approximately 5% of endometrial cancers and 1% of ovarian cancers. The molecular basis for Lynch syndrome is a heritable functional deficiency in the DNA mismatch repair system, typically due to a germline mutation. This review discusses the rationales and relative merits of current Lynch syndrome screening tests for endometrial and ovarian cancers and provides pathologists with an informed algorithmic approach to Lynch syndrome testing in gynecologic cancers. Pitfalls in test interpretation and strategies to resolve discordant test results are presented...
June 2016: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/27035983/identification-of-tumorigenic-cells-and-therapeutic-targets-in-pancreatic-neuroendocrine-tumors
#15
Geoffrey Wayne Krampitz, Benson M George, Stephen B Willingham, Jens-Peter Volkmer, Kipp Weiskopf, Nadine Jahchan, Aaron M Newman, Debashis Sahoo, Allison J Zemek, Rebecca L Yanovsky, Julia K Nguyen, Peter J Schnorr, Pawel K Mazur, Julien Sage, Teri A Longacre, Brendan C Visser, George A Poultsides, Jeffrey A Norton, Irving L Weissman
Pancreatic neuroendocrine tumors (PanNETs) are a type of pancreatic cancer with limited therapeutic options. Consequently, most patients with advanced disease die from tumor progression. Current evidence indicates that a subset of cancer cells is responsible for tumor development, metastasis, and recurrence, and targeting these tumor-initiating cells is necessary to eradicate tumors. However, tumor-initiating cells and the biological processes that promote pathogenesis remain largely uncharacterized in PanNETs...
April 19, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/26872009/lynch-syndrome-screening-in-the-gynecologic-tract-current-state-of-the-art
#16
REVIEW
Anne M Mills, Teri A Longacre
Lynch syndrome underlies approximately 5% of endometrial cancers and ∼1% of ovarian cancers. Gynecologic malignancies are often the presenting cancer in these patients. Therefore, there is considerable benefit to identifying these patients and enrolling them and affected family members in surveillance programs for secondary malignancies. The molecular basis for Lynch syndrome is a defect in the DNA mismatch repair (MMR) system. Tumors can be screened for these defects using immunohistochemistry to identify loss of MMR proteins or by enlisting polymerase chain reaction to identify the microsatellite instability that attends dysfunctional MMR...
April 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/26856716/adenovirus-hepatic-abscess-a-novel-source-of-fever-of-unknown-origin-in-a-pediatric-liver-transplant-recipient
#17
Kelly Haas, Teri Longacre, Ricardo O Castillo
No abstract text is available yet for this article.
April 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/26838774/smooth-muscle-tumors-of-the-female-genital-tract
#18
REVIEW
Anne M Mills, Teri A Longacre
Smooth muscle tumors are the most common among mesenchymal tumors in the female genital tract. The vast majority of these neoplasms are clinically benign and easy to diagnose. In contrast, leiomyosarcomas are highly aggressive tumors that may pose considerable diagnostic problems when they display unusual (myxoid or epithelioid) morphology, ambiguous histologic features for malignancy, or an unusual anatomic distribution. Diagnostic criteria for these problematic tumors vary depending on the site and type of histologic differentiation, and are based on a combination of 3 major criteria: (1) moderate to severe cytologic atypia; (2) increased mitotic index; and (3) tumor cell necrosis...
December 2009: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/26837298/benign-and-low-grade-serous-epithelial-tumors-recent-developments-and-diagnostic-problems
#19
REVIEW
Teri A Longacre
This review focuses on recent advances in the area of low-grade ovarian serous neoplasia with emphasis on key diagnostic criteria, differential diagnosis, and disease classification based on current understanding of low-grade serous carcinogenesis. Despite considerable controversy surrounding serous tumors of low malignant potential (S-LMP) or borderline tumors, there have been great strides in our understanding of the serous group of borderline and malignant pelvic epithelial neoplasms in the past decade. Most S-LMP have a favorable prognosis, but recurrences and progression to carcinoma occur, sometimes following a protracted clinical course...
March 2011: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/26837292/atypical-endometrial-hyperplasia-and-well-differentiated-endometrioid-adenocarcinoma-of-the-uterine-corpus
#20
REVIEW
Anne M Mills, Teri A Longacre
The distinction between atypical endometrial hyperplasia and well differentiated adenocarcinoma of the endometrium is one of the more difficult differential diagnoses in gynecologic pathology. Different pathologists apply different histologic criteria, often with different individual thresholds for atypical endometrial hyperplasia and grade 1 adenocarcinoma. While some classifications are based on a series of molecular genetic alterations (which may or may not translate into biologically or clinically relevant risk lesions), almost all current diagnostic criteria use a series of histologic features - usually a combination of architecture and cytology - for diagnosing atypical hyperplasia and adenocarcinoma...
March 2011: Surgical Pathology Clinics
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