患者男,64岁,肾病综合征激素治疗6个月。1个月前患者轻微运动后出现肢体疼痛及麻木,四肢皮下先后出现多个包块,并逐渐增大。当地医院胸部CT示双肺多发结节影,右下肢包块穿刺活检,抽吸出黄色黏稠血性液体,抗结核治疗后无缓解,遂来我院进一步治疗。右上臂外侧皮下触及3cm×4cm的类圆形肿物,边界欠清晰,触之轻压痛,无明显波动感。左上臂外侧及左前臂上部桡侧及尺侧皮下分别触及肿物,边界不清晰,形状不规则,大小探查不清, Male patient, 64 years old, with nephrotic syndrome hormone therapy for 6 months. A month ago, patients with slight pain and limb numbness after physical activity, there have been multiple subcutaneous limbs, and gradually increased. Local hospital chest CT showed multiple lung nodules, right lower limb mass biopsy, aspiration yellow viscous bloody fluid, no relief after anti-TB treatment, then to our hospital for further treatment. The right upper arm outside the subcutaneous touch of 3cm × 4cm round type of tumor, the border is not clear, touch the light tenderness, no significant fluctuations. The upper left arm and upper left forearm radial and ulnar subcutaneous were touching the tumor, the border is not clear, the shape of irregular, unclear exploration of the size,