Diagnosis of canine hyperadrenocorticism

Canine hyperadrenocorticism is one of the most common endocrinopathies in d ogs. Diagnosis remains difficult in some cases due to factors such as the p resence of non-adrenal illness and limitations in the tests. Differentiatio n between the pituitary and adrenal forms is important for providing accura te prognostic information and delineating treatment options and protocols. This article reviews the tests available for diagnosis (screening) and diff erentiation and evaluates their advantages and disadvantages. Recommendatio ns for testing are made.