局限性骨化性肌炎,国内文献虽有报道.但经动态观(?)者不多.我们最近遇见1例,经手术病理证实,并经X(?)动态观察3年余,现报告如下:男性,32岁.1978年5月间无意中发现右大腿下段外侧有一约2×2厘米包块,不痛.并逐渐长大:1年后同侧下端内侧前又有一硬块,约12×6厘米,伴(?)痛及右膝关节功能障碍而入院治疗.患者全身情况尚好,轻度跛行,右大腿肌肉轻度萎缩,下端明显肿胀,浅表静脉轻度怒张,皮肤温度较健侧(?)高,肤色无明显变化.右膝关节活动功能障碍.右大腿下极可触及包块2个,约18×15×1厘米, Localized myositis ossificans have been reported in the domestic literature, but there are few dynamic observers. We recently met 1 case, confirmed by surgery and pathology, and dynamically observed by X(?) for more than 3 years. They are as follows: Male, 32 years old. In May of 1978, I found a mass of about 2 × 2 cm outside the lower part of the right thigh. It was painless and gradually grew up. After 1 year there was another lump in the inner side of the lower end of the same side, about 12 ×6 cm, admitted to hospital with (?) pain and right knee joint dysfunction. The general condition of the patient is still good, mild claudication, mild atrophy of the right thigh muscle, swelling of the lower end, mild engorgement of superficial veins, and skin temperature Healthy side (?) High, no significant change in skin color. Right knee joint activity dysfunction. Right thigh lower palpable mass 2, about 18 × 15 × 1 cm,