Primary central nervous system lymphoma with testicular metastasis

摘要: Primary central nervous system lymphoma (PCNSL) is a are malignant extranodal non-Hodgkin (NHL) whose ncidence has increased in both immunocompromised and mmunocompetent patients. At present it receives special attenion neuro-oncology accounts for 4% of all intracranial umors [1]. Most PCNSL diffuse large B-cell lymphomas ave relative dismal survival results compared with extracerebral iffuse lymphomas. Local relapse remains an important oncern surveillance. Usually, the tumor confined to entral (CNS), including brain, leptomeninges nd spinal cord. Other rare places include retina, vitreous humor, ptic nerve, etc. Distal metastases seldom encountered due ess than 1% individuals had been autopsied [2]. The ommon reported metastatic sites bone marrow, reast, liver, abdominal lymph nodes, bowel subcutaneous issue [3]. Here, we report case testicular