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Updated: Dec 27, 2025

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Granular Cell Tumour in a California Kingsnake (Lampropeltis californiae)
M Reifinger1, N Dinhopl1, M Gumpenberger2
1Institute of Pathology, Vienna, Austria.
Abstract:
A 21-year-old female California kingsnake (Lampropeltis californiae) was presented to the University of Veterinary Medicine, Vienna, Austria, with a space-occupying mass in the caudal abdomen. Following clinical, radiological and sonographical evaluation the mass was removed surgically. Histopathology and transmission electron microscopy confirmed the diagnosis of a granular cell tumour, but immunohistochemical labelling for a range of markers was negative. This lesion is rare in mammals and birds, but has not been reported previously in a reptile.
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