Departmental Bulletin Paper 全身性エリテマトーデス(SLE)を合併した筋層浸潤性膀胱癌の1例
A Case of Muscle Invasive Bladder Cancer in a Patient with Systemic Lupus Erythematosus

飯田, 孝太  ,  冨岡, 厚志  ,  丸山, 良夫  ,  雄谷, 剛士  ,  藤本, 清秀

61 ( 12 )  , pp.499 - 503 , 2015-12-31 , 泌尿器科紀要刊行会
Systemic lupus erythematosus (SLE) is an autoimmune disease with various symptoms. We present a case of muscle invasive bladder cancer with lymph node swelling caused by SLE. A 60-year-old man was referred to our hospital with high fever and pollakisuria, micro hematuria, proteinuria. We detecteda papillary tumor located behind the left ureteral orifice. Magnetic resonance imaging showed invasion of the tumor to the fat aroundthe bladder. Computed tomography (CT) showed the swelling of left common iliac lymph node and bilateral inguinal lymph nodes. According to cystoscopy, imaging examination and transurethral resection of bladder tumor, we diagnosed it as a bladder cancer (cT3aN3M1). In addition, a close inspection of proteinuria was performed, and SLE was diagnosed. We started steroid therapy under the influence of neutropenia and thrombopenia caused by SLE. The swelling of lymph nodes disappeared on the CT three months later. After the therapy with gemcitabine andcisplatin, radical cystectomy and cutaneous ureterostomy were performed. Pathological examination showed invasive urothelial carcinoma and no lymph node metastasis. He now shows no evidence of disease 18 months after the operation.

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