Two cases of cutaneous transmissible venereal tumour with internal metastases

K. Theodorou, M.E. Mylonakis, R. Farmaki, Michael N. Patsikas, Panayiotis Loukopoulos, Theofilos Poutahidis, Nektarios Soubasis, H. Ververidis , Alexander F. Koutinas

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Two intact male dogs, a 6-year-old Siberian husky (case one) and an I8-year-old Old English sheepdog-cross (case two), were admitted to the Companion Animal Clinic, Faculty of Veterinary Medicine, Aristotle University of Thessaloniki
(AUTh), with a single or multiple cutaneous masses, respectively. Fine needle aspiration (FNA) smears obtained from the masses revealed the typical cytological features of transmissible venereal tumor (TVT) in both instances, while Leishmania infantum infection was diagnosed in the second case. In both dogs, distant metastases within the spleen and liver were diagnosed by ultrasonography-assisted FNA cytology, laparotomy-facilitated histopathology and computed tomography(case one) or post-mortem cytology and histopathology (case two). Vincristine sulphate (two weekly sessions) followed by
doxorubicin chemotherapy (five 3-week sessions) failed to achieve clinical remission in case one, while the dog in case two was euthanized without any therapeutic effort. This study describes the clinical, imaging, cytologic and pathologic findings of two dogs with primary cutaneous TVT metastasized internally. Chemotherapy resistance, rarely recorded in TVT, was documented in one of them, whereas concurrent Leishmania infection in the other dog might have provoked the dissemination of TVT presumably due to the Leishmania-associated immunosuppression.
Original languageEnglish
Pages (from-to)30-36
Number of pages7
JournalJournal of the Hellenic Veterinary Medical Society
Volume63
Issue number1
Publication statusPublished - 2012

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