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ABSTRACT: A 85-year-old woman presented with macroscopic hematuria and miction pain. Cystoscopy revealed a wide-based submucosal mass, and biopsied specimens of the mass showed a B-cell lymphoma of the MALT type. Computed tomography (CT) showed a 7.5 x 3.0 cm solitary mass lesion situated from the anterior wall to the right lateral bladder wall, and magnetic resonance imaging (MRI) showed a low intensity in T1W1, high in T2W1 without invasion. After she was admitted to our hospital, TUR of the lesion was performed. The findings were consistent with extranodal marginal zone B-cell lymphoma of the MALT type. No evidence of lymphoma was found on the CT of the pelvis, chest X-ray and Gallium scintigraphy. The patient had stages I(AE) lymphoma. The patient was treated with radiation therapy to the bladder and pelvis (40 Gy in 20 fractions) and was followed with CT every 3 months. She had no evidence of recurrance.
Hinyokika kiyo. Acta urologica Japonica 02/2005; 51(1):45-8.