IJU case reports · 2024
Systemic amyloid A amyloidosis of the bladder after transurethral resection of urothelial carcinoma.
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Yamashita Kaori, Yoshida Keita, Nakazawa Tadao, Kubota Satoshi, Shiseki Takahiro, Sekido Eri, Inui Masashi
Аннотация
INTRODUCTION: Amyloid A amyloidosis of the bladder is not a major disease. We report a patient with systemic amyloid A amyloidosis of the bladder after transurethral resection of urothelial carcinoma.
CASE PRESENTATION: An 87-year-old Japanese man had bladder carcinoma. He was followed up regularly with cystoscopy. Cystoscopy revealed multiple polypoid tumors 6 months after the first transurethral resection of urothelial carcinoma. Pathologic specimens contained the amyloid A component. He had hypertrophic cardiomyopathy, valvular disorders, and arrhythmias. His cardiac disease may have resulted from amyloid A amyloidosis. We speculated the patient had systemic amyloid A amyloidosis of the heart and bladder.
CONCLUSION: We determined the type of amyloidosis via a biopsy of the bladder tumors. Our patient had cardiac disease. Therefore, systemic amyloid A amyloidosis could have caused his cardiac disease. The pathologic findings of bladder tumors can contribute to detecting systemic amyloid A amyloidosis.
CASE PRESENTATION: An 87-year-old Japanese man had bladder carcinoma. He was followed up regularly with cystoscopy. Cystoscopy revealed multiple polypoid tumors 6 months after the first transurethral resection of urothelial carcinoma. Pathologic specimens contained the amyloid A component. He had hypertrophic cardiomyopathy, valvular disorders, and arrhythmias. His cardiac disease may have resulted from amyloid A amyloidosis. We speculated the patient had systemic amyloid A amyloidosis of the heart and bladder.
CONCLUSION: We determined the type of amyloidosis via a biopsy of the bladder tumors. Our patient had cardiac disease. Therefore, systemic amyloid A amyloidosis could have caused his cardiac disease. The pathologic findings of bladder tumors can contribute to detecting systemic amyloid A amyloidosis.