A case of coccygeal chondroid chordoma in a cat: morphological and immunohistochemical features.
In August 2007, a 4-year-old, intact, female Domestic Shorthair cat was examined for a mass on the tip of the tail. Histological examination performed after apical caudectomy revealed a neoplasm affecting the distal part of the last coccygeal vertebra. The neoplasm consisted of lobules of physaliferous cells surrounding cartilaginous tissue and a central core of trabecular bone. A diagnosis of chondroid chordoma was made based on histomorphological features and immunohistochemical results. Chondroid chordoma has been previously reported in humans, rats, ferrets, and mink. To the authors' knowledge, chondroid chordoma has not been reported in cats. Neither recurrence nor metastasis was reported 7 months after surgery.
Carminato
Antonio
A
Department of Histopathology, Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro, PD, Italy. acarminato@izsvenezie.it
Marchioro
Wendy
W
Melchiotti
Erica
E
Vascellari
Marta
M
Mutinelli
Franco
F
D000818:Animals; D002371:Cat Diseases / Q000473:pathology*; D002415:Cats; D002817:Chordoma / Q000473:pathology / Q000601:surgery / Q000662:veterinary*; D005260:Female; D007150:Immunohistochemistry; D011379:Prognosis; D013623:Tail / Q000473:pathology; D016896:Treatment Outcome