Journal of medical case reports · 2021
Primary diffuse large B-cell lymphoma of the prostate: a case report and review of the literature.
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Ren Mengwei, Liu Yanli
Аннотация
BACKGROUND: Primary lymphoma of the prostate is an exceedingly rare disease, with diffuse large B-cell lymphoma being the most common known subtype in a small number of reported cases. Due to its low prevalence, there has been a chronic lack of targeted diagnostic guidelines and treatment procedures.
CASE PRESENTATION: In this article, we report a case of primary diffuse large B-cell lymphoma of the prostate in a 70-year-old Asian man who presented with symptoms of urinary tract obstruction. Histological and immunocytochemical studies of transurethral biopsy of the prostate showed diffuse large B-cell lymphoma. The patient was managed by a combination of eight courses of chemotherapy with a regimen including rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone and radiotherapy. Post-chemotherapy computed tomography scans showed complete remission. He remained disease free, until now, 15 months after the end of therapy. We also reviewed and analyzed relevant literature to illustrate the diagnosis, treatment, and prognosis of this disease.
CONCLUSION: Diffuse large B-cell non-Hodgkin's lymphoma originating in the prostate is a rare and highly aggressive disease that lacks specificity in its clinical presentation and is easily misdiagnosed. This disease should be considered clinically in patients with significant prostate enlargement and insignificant prostate-specific antigen elevation. The diagnosis can be clarified with a prostate puncture biopsy. Chemotherapy is the main treatment for patients and may be supplemented with surgical treatment and radiotherapy.
CASE PRESENTATION: In this article, we report a case of primary diffuse large B-cell lymphoma of the prostate in a 70-year-old Asian man who presented with symptoms of urinary tract obstruction. Histological and immunocytochemical studies of transurethral biopsy of the prostate showed diffuse large B-cell lymphoma. The patient was managed by a combination of eight courses of chemotherapy with a regimen including rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone and radiotherapy. Post-chemotherapy computed tomography scans showed complete remission. He remained disease free, until now, 15 months after the end of therapy. We also reviewed and analyzed relevant literature to illustrate the diagnosis, treatment, and prognosis of this disease.
CONCLUSION: Diffuse large B-cell non-Hodgkin's lymphoma originating in the prostate is a rare and highly aggressive disease that lacks specificity in its clinical presentation and is easily misdiagnosed. This disease should be considered clinically in patients with significant prostate enlargement and insignificant prostate-specific antigen elevation. The diagnosis can be clarified with a prostate puncture biopsy. Chemotherapy is the main treatment for patients and may be supplemented with surgical treatment and radiotherapy.