慢性粒细胞白血病对生殖系统的浸润常见,而引起阴茎异常勃起者较罕见,国内曾有2例报告。本文一例,住院号181399,男性,15岁,学生,因左膝关节疼痛3月,阴茎勃起1月伴排尿困难于85年5月23日入院,查体:贫血貌,全身浅表淋巴结如黄豆大,胸骨压痛++,肝肋缘下:3厘米,脾肋缘下12厘米,左膝关节外侧局部红肿痛热,活动受限,阴茎勃起强直,与腹壁平行,海绵体坚硬,触痛明显,提睾反射消 Chronic myeloid leukemia, the infiltration of the reproductive system is common, but cause rare penile erection, there have been two cases of domestic reports. This article an example, hospitalization 181399, male, 15 years old, students, because of left knee pain in March, penile erection in January with dysuria on May 23, 85 admission, physical examination: anemia appearance, systemic superficial lymph nodes such as soybeans Large, sternal tenderness ++, under the liver margin: 3 cm, 12 cm under the splenic margin, local swelling of the left knee joint painful, limited mobility, penile erection ankylosis, parallel to the abdominal wall, cavernous hard, tenderness Clearly, cremasteric reflex