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Idiopathic sclerosing orbital inflammation mimicking a malignant spindle cell tumor in a dog
Nina Marie Rzechorzek1, Colin Smith2, Tobias Schwarz3
1Hospital for Small Animals Royal (Dick) School of Veterinary Studies and Roslin Institute University of Edinburgh Roslin Midlothian UK; Centre for Clinical Brain Sciences University of Edinburgh Edinburgh Midlothian UK.
Abstract:
A dog presented with a retrobulbar mass, diagnosed histopathologically as malignant spindle cell neoplasia. Emergence of analogous findings in the contralateral orbit prompted extended immunohistochemistry of the original mass and reassignment to idiopathic sclerosing orbital inflammation. Early incisional biopsy with extended immunohistochemical analysis should be considered for canine orbital tumors.
