Poorly differentiated prostatic adenocarcinoma mimicking malignant lymphoma.
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概要
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Until recently, bone metastases and urinary obstruction were thought to be the earliest manifestation of the prostate cancer. But lymph node metastases may not be infrequently in early manifestation of the prostate cancer and involvement of lymphatic system was often misdiagnosed as malignant lymphoma in clinically.<BR>We report a case of nodal dissemination mimicking malignant lymphoma in prostate cancer without other metastases. These are thought to be relatively rare case in Japan. A 57-years-old man noticed bilateral inguinal pain and left flank pain was referred to a hospital.<BR>Physical and laboratory findings revealed almost normal range. But computerized tomography (CT) findings showed involvement of retroperitoneal and pelvic lymph nodes and hydronephrotic change of the left kidney following compression by the tumors. Histologically, tumor cells have medullary and alveolar nesting pattern and markedly single round nucleoli.<BR>Immunohistochemical staining for prostate specific antigen (PSA) was positive. Electronmicroscopically, desmosome, intercellular space and secretory granules were found in these tumors.
- 特定非営利活動法人 日本臨床細胞学会の論文
特定非営利活動法人 日本臨床細胞学会 | 論文
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