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Toxicol Pathol. 2016 Jun;44(4):502-35. doi: 10.1177/0192623316631844. Epub 2016 Apr 12.

Proceedings of the 2015 National Toxicology Program Satellite Symposium.

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National Toxicology Program, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA
Genentech, Inc., South San Francisco, California, USA.
Covance Laboratories, Inc., Chantilly, Virginia, USA.
Experimental Pathology Laboratories, Inc., Research Triangle Park, North Carolina, USA.
National Toxicology Program, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA.
Charles River Laboratories, Inc., Durham, North Carolina, USA.
College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA.
School of Veterinary Medicine, University of California at Davis, Davis, California, USA.
Texas A&M University, College Station, Texas, USA.
University of Wisconsin-Madison, Madison, Wisconsin, USA.


The 2015 Annual National Toxicology Program Satellite Symposium, entitled "Pathology Potpourri" was held in Minneapolis, Minnesota, at the American College of Veterinary Pathologists/American Society for Veterinary Clinical Pathology/Society of Toxicologic Pathology combined meeting. The goal of this symposium is to present and discuss diagnostic pathology challenges or nomenclature issues. Because of the combined meeting, both laboratory and domestic animal cases were presented. This article presents summaries of the speakers' talks, including challenging diagnostic cases or nomenclature issues that were presented, along with select images that were used for audience voting and discussion. Some lesions and topics covered during the symposium included hepatocellular lesions, a proposed harmonized diagnostic approach to rat cardiomyopathy, crop milk in a bird, avian feeding accoutrement, heat exchanger in a tuna, metastasis of a tobacco carcinogen-induced pulmonary carcinoma, neurocytoma in a rat, pituicytoma in a rat, rodent mammary gland whole mounts, dog and rat alveolar macrophage ultrastructure, dog and rat pulmonary phospholipidosis, alveolar macrophage aggregation in a dog, degenerating yeast in a cat liver aspirate, myeloid leukemia in lymph node aspirates from a dog, Trypanosoma cruzi in a dog, solanum toxicity in a cow, bovine astrovirus, malignant microglial tumor, and nomenclature challenges from the Special Senses International Harmonization of Nomenclature and Diagnostic Criteria Organ Working Group.


INHAND; NTP Satellite Symposium; cardiomyopathy; crop milk; diagnostic neuropathology; focal nodular hyperplasia; histoplasmosis; leukemia +/− cytology; mammary gland whole mounts; neurocytoma; ocular inflammation; oral ornamentation; persistent fetal vasculature; persistent hyperplastic primary vitreous; persistent hyperplastic tunica vasculosa lentis; pulmonary metastatic tumor; pulmonary ultrastructure; tuna heat exchanger

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