附睾纤维性假瘤并非真性肿瘤,临床上易误诊为恶性肿瘤而施行不必要的睾丸切除术。现将我院误诊2例报告如下。例1 男,44岁。因自觉左侧睾丸进行性增大,并伴疼痛四月余而入院。无发冷发烧,否认有外伤史。体检:左侧睾丸明显增大,为6×4×3cm,伴沉重感,于附睾体部可触及肿块,质硬。疑睾丸恶性肿瘤,行左侧睾丸切除术。术中见左侧附睾体部有2×1×1cm新生物,质硬,附近鞘膜层增厚。术后病理诊断:左侧附睾纤维性假瘤。例2 男,62岁。因自觉右侧阴囊肿大一月余来就诊,否认有外伤史。体检见右侧阴囊肿大,质软,无明显触痛。透光试验(+)。初步考虑为鞘腹积液。术中放出鞘腹积液约为15ml,见睾丸正常 Epididymal fibroid pseudotumor is not a true tumor, clinically misdiagnosed as malignant tumors and the implementation of unnecessary orchiectomy. Now misdiagnosis in our hospital 2 cases are as follows. Example 1 Male, 44 years old. Due to progressive conscious testicular left, and accompanied by pain in April and admitted to hospital. No chills and fever, denied a history of trauma. Physical examination: the left testicle increased significantly to 6 × 4 × 3cm, with a heavy feeling, palpable mass in the epididymis body, hard. Suspect testicular malignancy, line left orchiectomy. See intraoperative epididymal body with 2 × 1 × 1cm new biological, hard, near the sheath thickening. Postoperative pathological diagnosis: left epididymal fibrous pseudotumor. Example 2 male, 62 years old. Due to conscious right scrotum enlargement more than a month to visit, denied a history of trauma. Physical examination see the right scrotum enlargement, soft, no obvious tenderness. Light transmission test (+). Initially considered as peritoneal effusion. Intraoperative discharge of fluid from the sheath is about 15ml, see testicular normal