title: Secondary amyloidosis of the bladder: a cause of massive hematuria.
abstract: Secondary amyloidosis of the bladder is a rare cause of hematuria, with only 10 previous reports. Findings and treatment in 5 patients with histologically verified bladder amyloidosis secondary to long-standing rheumatoid arthritis are presented. All patients were hospitalized for massive hematuria. One patient died before cystoscopy. Clot evacuation and fulguration through a cystoscope stopped the bleeding in 1 patient. In the other 3 patients hemostasis was achieved by cystotomy, bilateral percutaneous nephrostomy and continuous alum irrigation of the bladder, respectively.
mesh_terms: D000368:Aged; D000686:Amyloidosis / Q000209:etiology*; D001172:Arthritis, Rheumatoid / Q000150:complications*; D005260:Female; D006417:Hematuria / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013997:Time Factors; D001745:Urinary Bladder Diseases / Q000209:etiology*