1999 · 20 citations · 8 references
Veterinary MedicineOncologyVeterinary PathologyMetastasisNeoplasiaTumor PathologyBone MetastasisBone PathologyMalignant NeoplasmsMalignant TumorsNeoplastic PathologySquamous Cell CarcinomaHistopathologic ExaminationLiver NeoplasmsLytic Bone LesionsMetastatic NeoplasiaMetastatic Squamous Cell CarcinomaNeoplastic DiseaseSquamous Cell Carcinoma PathologyWhole-body Bone Survey
A 20-year-old salmon-crested cockatoo (Cacatua moluccensis) was examined because of a mass involving the right elbow. Results of whole-body survey and contrast radiographs revealed multiple lytic and productive bone lesions involving the right elbow and the left humerus. A soft tissue mass (5 x 4 X 4-cm) was present in the dorsal midcoelom. Ultrasound evaluation indicated that the coelomic mass was bilobed and filled with fluid. Results of necropsy and histopathologic examination revealed metastatic squamous cell carcinoma involving bone, lungs, liver, and spleen. The soft tissue mass was the grossly enlarged, fluid-filled spleen that was infiltrated by neoplastic cells. The primary origin of the tumor in this bird was unknown.
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