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Am J Surg Pathol. 1998 Mar;22(3):373-7.

Primary T-cell lymphoma of the urinary bladder.

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  • 1Department of Pathology, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia.

Abstract

Primary malignant lymphoma of the urinary bladder is very rare. Less than 100 cases have been reported; most are B-cell lymphomas. We report a case of primary T-cell lymphoma of the urinary bladder in a patient with a history of schistosomiasis. The patient is a 52-year-old man with suprapubic pain and hematuria. Examination revealed a large suprapubic mass. Computed tomography scan of the pelvis showed a large lobular mass occupying the urinary bladder. No pelvic or abdominal lymphadenopathy was noted, and results of metastatic workup were negative. The patient underwent a transurethral biopsy of the bladder mass that revealed a diffuse large cell lymphoma that was negative for the B-cell marker L-26 (CD 20) and positive for the T-cell marker CD-3. Polymerase chain reaction studies of the paraffin-embedded tissue revealed rearrangement of the T-cell receptor gamma gene. The patient was administered cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOPP) chemotherapy and currently is being treated. This case represents, to our knowledge, a very rare primary lymphoproliferative neoplasm of the urinary bladder that might represent an unusual immune response to schistosomiasis.

PMID:
9500781
[PubMed - indexed for MEDLINE]
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