[Polyneuropathy, adrenal insufficiency and diarrhea of unknown origin].

Clinico-pathological conference concerning a syndrome, characterized by considerable diagnostic problems. Polyneuropathy, adrenocortical insufficiency and diarrhea without typical changes in laboratory or functional data should always lead to the suspicion of primary amyloidosis. This diagnosis could be confirmed in the discussed case report. Its clinical relevance in regard to the type of spreading--perireticular or pericollagenous--is discussed, methods for identification are mentioned.