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A 78-year-old man was referred to our hospital for gross hematuria. Ultrasonography and magnetic resonance urography revealed tumor in the right lower ureter. Computed tomography revealed right cervical lymph node swelling and pathological diagnosis was diffuse large B-cell lymphoma. Right nephroureterectomy was performed and pathologic examination revealed small cell carcinoma of the ureter with a small urothelial cell carcinoma component. As the patient had concomitant other malignancies, additional systemic chemotherapy was not performed. As of 3 months after operation, postoperative course has been uneventful. Only 11 cases of primary small cell carcinoma of the ureter have been described.
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Ryu et al. (2008) studied this question.
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