原发性睾丸淋巴瘤(primary testicular lymphoma,PTL)由Malassez于1877年首次报道,是一类罕见的睾丸恶性肿瘤,发病率约为0.26/10万[1]。我科收治1例PTL患者,报道如下。1临床资料患者,男性,55岁,以“左侧睾丸无痛性肿大1个月”为主诉住院治疗。该患者1个月前无明显诱因出现左侧睾丸无痛性肿大,伴坠胀略不适感,无尿路刺激症状及肉眼血尿,无排 Primary testicular lymphoma (primary testicular lymphoma, PTL) was first reported by Malassez in 1877, is a rare group of testicular cancer, the incidence of about 0.26 / 100,000 [1]. I received 1 cases of PTL patients, reported as follows. 1 Clinical data Patients, male, 55 years old, with “left testis painless swelling 1 month ” as the chief complaint inpatient treatment. The patient 1 month ago no obvious incentive painless swelling of the left testis, with bulge slightly discomfort, no urinary tract irritation and gross hematuria, no row