WHAT IS ATYPICAL CUSHING’S DISEASE? In 2002, clinical researchers from the UK described the first cases of what is often referred to as atypical Cushing’s disease (1). Dogs with atypical Cushing’s disease (ACD) have a history, physical examination findings, CBC, biochemical chemistry profile and urinalysis results, and adrenal imaging consistent with hyperadrenocorticism (HAC), however, routine...