PrP systemic amyloidosis

A rare, autosomal dominant neurological disorder due to truncation mutations of the prion protein gene <i>PRNP</i> (20p13) leading to deposition of prion protein amyloid. Onset is usually in the fourth decade of life and reported clinical manifestations include diarrhea, nausea, autonomic failure (areflexia, weakness), neurogenic bladder and urinary infections.