A 53-year-old male patient diagnosed with ankylopoietic spondylitis (HLA B27), secondary amyloidosis and end-stage chronic renal failure on hemodialysis.
He had a painless hematuria and cystoscopy showed a bladder mass, excretory but not papillary and bleeding.
Transurethral resection (TUR) was performed and the histological diagnosis was bladder amyloidosis.
The patient died satisfactorily and at 11 months was readmitted with severe abdominal, epigastric and fixed pain, which lasted for two hours a sudden death (11/5 with cardioplegia and vomiting).
In the post mortem anatomopathological diagnosis, an ischemic necrosis of the territory irrigated by the superior mesenteric artery, amyloid deposit in the vessels of the submucosa was evident in the digestive tract.
The involvement of organs and systems was generalized, including bilateral renal amyloidosis.
Bladder amyloidosis (BA), especially perivascular and amyloidosis in the prosthetic vessels.
