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Primary Diffuse Large B-cell Lymphoma of the Prostate: A Case Report.
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HOME > J Pathol Transl Med > Volume 37(6); 2003 > Article
Case Report Primary Diffuse Large B-cell Lymphoma of the Prostate: A Case Report.
Dong chul Kim, Gyeongsin Park, Ahwon Lee, Kyungja Han, Chang Suk Kang
Journal of Pathology and Translational Medicine 2003;37(6):432-434
DOI: https://doi.org/
Department of Clinical Pathology, The Catholic University of Korea, College of Medicine, Seoul, Korea. gspark@catholic.ac.kr
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Primary lymphomas of the prostate are extremely rare and can mimic other more common prostatic lesions clinically. We report a case of primary diffuse large B-cell lymphoma of the prostate in an 81-year-old man. The patient presented with voiding difficulty as an initial symptom and enlargement of the prostate on rectal digital examination. Transurethral prostatic resection was performed. On microscopic examination, atypical lymphoid cells infiltrated and replaced the prostatic parenchyma. The tumor cells had large nuclei with irregular nuclear membrane and vesicular clumped chromatin. Nucleoli were not distinct and the cells had scanty cytoplasm. Immunohistochemically, the tumor cells were immunoreactive for CD20 and CD79a but not reactive for CD5, BCL-2 and BCL-6. Histopathological diagnosis was diffuse large B-cell lymphoma of the prostate. The patient received 5 cycles of chemotherapy after histologic diagnosis but died from pulmonary and scrotal metastases 6 months later.


J Pathol Transl Med : Journal of Pathology and Translational Medicine