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Primary Osseous Melanoma in the Tibia of a Dog

2008; American Animal Hospital Association; Volume: 44; Issue: 3 Linguagem: Inglês

10.5326/0440139

1547-3317

D. Stefanello, Stefano Romussi, Paola Signorelli, M. Caniatti, M. Di Giancamillo, P. Roccabianca, Giancarlo Avallone,

Sarcoma Diagnosis and Treatment

An 18-month-old, female Cane Corso dog was presented with a suspected primary tumor of the tibia. Plain radiographs and computed tomography (CT) of the tibia were highly suggestive of a primary bone neoplasm. A diagnosis of malignant melanoma was made by cytology. Total body survey radiographs, CT scan of the thorax, and abdominal ultrasound excluded the presence of neoplastic lesions other than in the tibia. Limb amputation was performed. Histology and immunohistochemical analysis of the tibial neoplasm confirmed the diagnosis of a melanoma with secondary metastasis to the popliteal lymph node. The dog was alive and in good physical condition 43 months after surgery.