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本病是一种恶性度较高的肿瘤,由各种不同程度的未分化横纹肌细胞所组成。本文6例均经手术病理证实。临床资料本组男4例,女2例,年龄12～41岁。发病部位在下肢5例(小腿3例,大腿2例),第12胸椎1例。临床症状:视侵犯肌群之深浅而异,主要为局部疼痛,由阵发性以后转为持续性。有时疼痛可反射至附近关节。局部检查均可触及质硬肿块、压痛、表面隆起肿胀,活动受限及轻度发热。X线表现:一、本组均有软组织肿块影象,边缘不清,肌肉间隙脂肪被浸润中断,井有钙
The disease is a highly malignant tumor composed of various degrees of undifferentiated striated muscle cells. In this article, 6 cases were confirmed by pathology. Clinical data in this group of 4 males and 2 females, aged 12 to 41 years old. The lesions were found in 5 lower limbs (3 in the lower leg and 2 in the thigh) and 1 in the 12th thoracic spine. Clinical symptoms: depending on the depth of the invading muscle group, mainly local pain, from paroxysmal to persistent. Sometimes pain can be reflected to nearby joints. Local examinations can all be associated with hard masses, tenderness, swelling on the surface, limited mobility, and mild fever. X-ray findings: 1. In this group, there were soft tissue masses with unclear edges, intermuscular fats were infiltrated and wells were cut off.