患儿,男、2岁。因右侧睾丸增大一月余于1987年4月16日入院。查右侧睾丸增大约3×2×2cm~3外形似睾丸,质地硬,表面可触及数个小结节,无触痛。透光试验阴性。右侧附睾大小、质地正常。胸透未见异常。血 AFP 定性试验阴性,诊断右侧睾丸肿瘤。于87年4月24日在基础加局麻下行右侧睾丸肿瘤切除术,术中未见局部有淋巴结转移。切除标本大小、质地同查体所见,剖面呈灰白色鱼肉状。病理报告:睾丸内胚窦瘤。睾丸内胚窦瘤临床较少见,系一种起源 Children, male, 2 years old. Due to the right testicle increased more than one month in April 16, 1987 admission. Check the right testis by about 3 × 2 × 2cm ~ 3 shaped like testicles, texture hard, the surface can reach a few small nodules, no tenderness. Light transmission test negative. Right epididymal size, texture is normal. No abnormal chest through. Blood AFP qualitative test negative, the diagnosis of the right testicular tumor. On April 24, 1987 on the basis of local anesthesia on the right testicular tumor resection, no local lymph node metastasis. Excision of specimen size, the texture of the same body check, the section was pale fish. Pathology report: testicular endodermal sinus tumor. Testicular endodermal sinus tumor is relatively rare, is a source