A Domestic Shorthaired cat was presented with coughing and severe respiratory distress. Thoracic radiographs revealed a lobar mass and numerous additional cavitated intrapulmonary masses. The cat was euthanized and submitted for necropsy. Histological examination of the large mass revealed 2 distinct neoplastic components consisting of bronchial adenocarcinoma admixed with neoplastic areas composed of highly atypical undifferentiated spindle cells (sarcomatous component). Simultaneous expression of vimentin and cytokeratin by a subpopulation of neoplastic epithelial cells and by rare neoplastic spindle cells was identified. On the basis of histology and immunohistochemical results, a diagnosis of primary pulmonary carcinosarcoma with intrapulmonary epithelial metastases was made. Pulmonary carcinosarcoma is a well-known pathological entity in humans. It is a rare tumor in animals and has not been previously reported in cat.

Pulmonary carcinosarcoma in a cat / G. Ghisleni, V. Grieco, M. Mazzotti, M. Caniatti, P. Roccabianca, E. Scanziani. - In: JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION. - ISSN 1040-6387. - 15:2(2003 Mar), pp. 170-173.

Pulmonary carcinosarcoma in a cat

V. Grieco
Secondo
;
M. Caniatti;P. Roccabianca
Penultimo
;
E. Scanziani
Ultimo
2003

Abstract

A Domestic Shorthaired cat was presented with coughing and severe respiratory distress. Thoracic radiographs revealed a lobar mass and numerous additional cavitated intrapulmonary masses. The cat was euthanized and submitted for necropsy. Histological examination of the large mass revealed 2 distinct neoplastic components consisting of bronchial adenocarcinoma admixed with neoplastic areas composed of highly atypical undifferentiated spindle cells (sarcomatous component). Simultaneous expression of vimentin and cytokeratin by a subpopulation of neoplastic epithelial cells and by rare neoplastic spindle cells was identified. On the basis of histology and immunohistochemical results, a diagnosis of primary pulmonary carcinosarcoma with intrapulmonary epithelial metastases was made. Pulmonary carcinosarcoma is a well-known pathological entity in humans. It is a rare tumor in animals and has not been previously reported in cat.
Settore VET/03 - Patologia Generale e Anatomia Patologica Veterinaria
mar-2003
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/18554
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