IMPE Abstracts

Contemporary ACTH assays have variable susceptibility to interference by endogenous antibodies, particularly heterophile antibodies, leading potentially to unnecessary investigations1-6. Often, determining the cause of the spurious ACTH results is impossible beyond identifying the presence of interference of heterophile antibodies6. Here we describe two cases of Cushing Syndrome due to Primary Pigmented Nodular Adrenocortical Disease (PPNAD) whose evaluat...