A case of pheochromocytoma of the urinary bladder and renal cell carcinoma in a long-term hemodialysis patient

Yamasaki Yasuto, Watanabe Junichi, Sakimura Naofumi, Miyazaki Kenichi, Muraya Yoshiaki, Tsukazaki Shoko, Nishimura Naoki

doi:10.4009/jsdt.42.595

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Other Title

副腎外膀胱褐色細胞腫と腎細胞癌を同時に認めた長期血液透析患者の１例
症例報告副腎外膀胱褐色細胞腫と腎細胞癌を同時に認めた長期血液透析患者の1例
ショウレイホウコクフクジンガイボウコウカッショクサイボウシュトジンサイボウガンオドウジニミトメタチョウキケツエキトウセキカンジャノ 1レイ

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Description

We report a 61-year-old man on chronic hemodialysis for 10 years who developed pheochromocytoma of the urinary bladder and left renal cell carcinoma. He was admitted with no complaint. Abdominal computed tomography scans demonstrated left renal tumor and bladder tumor. He was admitted for further examination. Contrast-enhanced computed tomography scan showed solid, posterior renal cell carcinoma. Pelvic magnetic resonance imaging demonstrated invasive tumor on the right side of the urinary bladder. Two surgical procedures were then simultaneously carried out to achieve partial cystectomy and radical nephrectomy under general anesthesia. Pathological examination confirmed two distinct primary tumors. The renal tumor was confirmed to be clear cell carcinoma. The bladder tumor was confirmed to be pheochromocytoma of the urinary bladder. In patients on hemodialysis, determinations by urinary examination are impossible because such individuals are usually anuric. Pheochromocytoma of the urinary bladder in hemodialysis patients is very rare. Only 5 cases have been reported previously. We recommend that hemodialysis patients undergo scheduled abdominal CT scans and urine cytology because of the high risk of urinary tract malignancy.

Journal

Nihon Toseki Igakkai Zasshi

Nihon Toseki Igakkai Zasshi 42 (8), 595-599, 2009

The Japanese Society for Dialysis Therapy

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