Granular basal cell tumor in a Wistar rat
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Updated: Oct 23, 2026

PET and MRI Guided Irradiation of a Glioblastoma Rat Model Using a Micro-irradiator
Published on: December 28, 2017
C L Courtney1, K L Hawkins, M J Graziano
1Department of Pathology and Experimental Toxicology, Parke-Davis Pharmaceutical Research Division, Warner-Lambert Co., Ann Arbor, Michigan 48105.
Abstract:
A granular cell variant of a cutaneous basal cell tumor in a Wistar rat is described. The tumor resembles the variant as described in man and dogs. The granular basal cells contain cytoplasmic PAS positive granules, and immunostained positively with HMW cytokeratins. Ultrastructurally, the cytoplasmic granules were secondary lysosomes.
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