Increased Mast Cell Counts and Degranulation in Microscopic Colitis by Zhikai Chi, Jing Xu, Romil Saxena

“…We investigated 64 biopsy samples from the surgical pathology database of Indiana University Health, which met the diagnostic criteria for CC or LC along with 20 control samples collected from 2014 to 2015. …”
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Immunopathology of Postprimary Tuberculosis: Increased T-Regulatory Cells and DEC-205-Positive Foamy Macrophages in Cavitary Lesions by Kerry J. Welsh, Semyon A. Risin, Jeffrey K. Actor, Robert L. Hunter

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Severe Necrotizing Adenovirus Tubulointerstitial Nephritis in a Kidney Transplant Recipient by Ravi Parasuraman, Ping L. Zhang, Dilip Samarapungavan, Leslie Rocher, Alan Koffron

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Destructive Cholangitis in an Adult Jack Russell Terrier by Atsushi Kodama, Hiroki Sakai, Tsuyoshi Kimura, Sadatoshi Maeda, Takashi Mori, Toshiaki Masegi, Tokuma Yanai

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Acute Hepatitis A Causing Severe Hemolysis and Renal Failure in Undiagnosed Glucose-6-Phosphate Dehydrogenase Deficient Patient: A Case Report and Review of the Literature by Iman Abutineh, Kyle Kreitman, Jiten P. Kothadia, Bilal Ali, Richa Jain, Ian Clark, Benedict J. Maliakkal, Satheesh P. Nair

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Expression of Semaphorin 3F and Its Receptors in Epithelial Ovarian Cancer, Fallopian Tubes, and Secondary Müllerian Tissues by Christina D. Drenberg, Sandra Livingston, Ren Chen, Patricia A. Kruk, Santo V. Nicosia

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Hot Tub Lung Mimicking Classic Acute and Chronic Hypersensitivity Pneumonitis: Two Case Reports by Geetika Verma, Frances Jamieson, Pamela Chedore, David Hwang, Scott Boerner, William R Geddie, Kenneth R Chapman, Theodore K Marras

“…Pulmonary disease in otherwise healthy patients can occur by secondary exposure to nontuberculous mycobacteria from hot tubs. The pathology of hot tub lung may be related to an infection, a hypersensitivity reaction or both. …”
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Coordinated Increased Expression of Cyclooxygenase2 and Nuclear Factor 𝜅B Is a Steady Feature of Urinary Bladder Carcinogenesis by Stylianos Kontos, Georgia Sotiropoulou-Bonikou, Athina Kominea, Maria Melachrinou, Eleni Balampani, Dionysis Bonikos

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Arteriovenous Malformation of the Oral Cavity by S. M. Manjunath, Sujan Shetty, Ninad J. Moon, Bhushan Sharma, Kiran Kumar Metta, Nitin Gupta, Sandeep Goyal, Simranjit Singh

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An Unusual Clinical Presentation of Merkel Cell Carcinoma: A Case Report by Deba P. Sarma, Dawn E. Heagley, Julianne Chalupa, Meredith Cox, James M. Shehan

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Human Cardiospheres as a Source of Multipotent Stem and Progenitor Cells by Lucio Barile, Mihaela Gherghiceanu, Laurenţiu M. Popescu, Tiziano Moccetti, Giuseppe Vassalli

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The Role of PCR in Diagnosis of a Rare Appendicular Tuberculosis and Mini Literature Review by Asmerom Tesfamariam Sengal, Ahmed Abdalla Mohamedani, Hanan Hasaan Hussein, Alaa Kamal

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Recurrent Villous Adenoma with High-Grade Dysplasia Arising in a Urethral Diverticulum by Alireza Zarineh, Elena Bulakhtina, Peter R. Olson, Jan F. Silverman

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Antral Brushings and Biopsies for Gastric Campylobacter pylori: A Comparative Study of a Rapid Urease Test, Culture and Histology by Howard M. Estrin, Medhat O. Hassan, Howard S. Carr, Steven J. Czinn

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Complete Bilateral Gemination of Maxillary Incisors with Separate Root Canals by Lodd Mahendra, Sujatha Govindarajan, Muruganandhan Jayanandan, Shaik Mohammed Shamsudeen, Nalin Kumar, Ramasamy Madasamy

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Esophageal Plasmacytoma Diagnosed in a Patient Presenting with Cardiac Symptoms: A Novel Case by Cheryl Rimmer, Anup Hazra, Vito M. Gulli, Richard Siderits, Mark Castaldi, Zafar Zamir

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Gastrointestinal Pyogenic Granuloma (Lobular Capillary Hemangioma): An Underrecognized Entity Causing Iron Deficiency Anemia by Marshall W. Meeks, Umar M. Kamal, Muhammad B. Hammami, Jason R. Taylor, M. Louay Omran, Yongxin Chen, Jin-Ping Lai

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Osteoimmunology: Major and Costimulatory Pathway Expression Associated with Chronic Inflammatory Induced Bone Loss by Tania N. Crotti, Anak A. S. S. K. Dharmapatni, Ekram Alias, David R. Haynes

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Papillary Endolymphatic Sac Tumor: A Case Report by S. Arava, R. M. Soumya, S. Chitragar, R. Safaya, S. H. Chandrashekhar, Alok Thakar

“…These rare neoplasms constitute a distinct pathological entity and deserve wider recognition.…”
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Clinical implementation of next-generation sequencing testing and genomically-matched therapy: a real-world data in a tertiary hospital by Jin Won Kim, Hee Young Na, Sejoon Lee, Ji-Won Kim, Koung Jin Suh, Se Hyun Kim, Yu Jung Kim, Keun-Wook Lee, Jong Seok Lee, Jaihwan Kim, Jin-Hyeok Hwang, Kihwan Hwang, Chae-Yong Kim, Yong Beom Kim, Soomin Ahn, Kyu Sang Lee, Hyojin Kim, Hye Seung Lee, So Yeon Park, Gheeyoung Choe, Jee Hyun Kim, Jin-Haeng Chung

“…Using the Association for Molecular Pathology genetic variant classification system, we found that 257 (26.0%) patients harbored tier I variants, and 859 (86.8%) patients carried tier II variants. …”
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