Canine pheochromocytoma: Diagnosis and management

Pheochromocytoma is a rare adrenal tumor that occurs in various species. Cl inical signs are often intermittent and vague and can be the result of cate cholamine release or invasion of the tumor into surrounding structures. Abn ormalities in routine laboratory tests are usually nonspecific but can be u sed to rule out concurrent disease. The optimal therapy for pheochromocytom a is surgery; medical therapy is used for nonresectable or metastatic disea se. Prognosis is guarded; however, long-term survival is possible for dogs with uncomplicated disease.