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Hinyokika kiyo. Acta urologica Japonica

[Effective dimethyl sulfoxide (DMSO) occlusive dressing technique for amyloidosis of the urinary bladder].


PMID 24262710

Abstract

A 48-year-old married woman complaining of macroscopic hematuria and cystitis symptom was admitted to our institute. Flexible cystoscopy revealed many yellowish, nodular masses at the paries posterior of the urinary bladder, and cold-punch biopsy proved it to be amyloidosis. Serum amyloid protein A (SAA) was high, and suggested systemic amyloidosis. Renal biopsy and colon fiberscopy did not reveal any abnormalities. We therefore diagnosed a primary localized amyloidosis of the urinary bladder. Transurethral resection and dimethyl sulfoxide (DMSO) infusion therapy are used to treat amyloidosis of the urinary bladder. However there is no definite cure for amyloidosis of the urinary bladder. Therefore we selected DMSO occlusive dressing technique therapy. After 5 years of therapy, there was no evidence of a recurrence of amyloidosis.