1 临床资料 男,58岁,农民,因右腕无痛性肿块逐渐增大一年余入院。发病后未予治疗,无结核病史,无外伤手术史。检查:右腕掌面尺侧有一5cm×3cm肿块,中等硬度,无明显压痛,不能推动。右第4,5掌指关节处压痛,屈腕功能稍受限。血沉8mm/1h,结核菌素试验阴性。X线检查:两肺无结核性病变,双 1 clinical data Male, 58 years old, farmers, due to right wrist painless mass gradually increased more than a year admitted to hospital. After the onset of no treatment, no history of tuberculosis, no history of traumatic surgery. Check: the right wrist palm ulnar side of a 5cm × 3cm mass, moderate hardness, no significant tenderness, can not promote. Right fourth and fourth metacarpophalangeal joint tenderness, wrist function slightly limited. ESR 8mm / 1h, tuberculin test negative. X-ray examination: two lungs without tuberculous lesions, double