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慢性多发性肌炎伴肌肉肥大是罕见的,仅见过儿童病例报导。该文作者报告1例成人慢性多发性肌炎伴有双侧股四头肌肥大。患者男性,26岁,慢性进行性双侧骨盆带肌群无力5年,肩胛带和双下肢肌无力分别为4年和3年。家族中无类似病史。检查发现双侧骶脊肌、肱二头肌、肱三头肌、三角肌、臀肌、腓肠肌和胫骨前肌均萎缩,双侧股四头肌肥大坚硬。颈屈肌、上肢近端和下肢近端屈肌肌群无力。步态蹒跚。感觉、反射和小脑功能正常,无肌束震颤。血常规、血生化、胸部X光照片及心电图检查均正常。肌酸激酶值是1052IU/L(正常值55IU/L)。股部
Chronic polymyositis with muscle hypertrophy is rare, only seen in children’s case reports. The authors report 1 adult chronic polymyositis with bilateral quadriceps femoris. Patients, male, 26 years old, with chronic progressive bilateral pelvic girdle weakness for 5 years, scapular girdle and lower extremity weakness were 4 years and 3 years, respectively. No similar family history. Examination revealed bilateral sacral spine, biceps, triceps, deltoid, gluteal muscle, gastrocnemius and tibialis anterior muscle atrophy, bilateral quadriceps femoral hypertrophy. Neck flexor, upper extremity proximal and lower extremity flexor muscles weakness. Gait faltering. Sensory, reflex and cerebellar function are normal, no bundle fasciculation. Blood, blood biochemistry, chest X-ray and ECG were normal. The creatine kinase value is 1052 IU / L (normal 55 IU / L). Unit