Abstract：
Myositis is a clinical condition with a wide spectrum of clinical presentation. We present the case of 33 years old woman with acute history of pain and swelling of both legs. Investigations confirmed acute bilateral myositis of both calf muscles. She responded well to conservative management with full recovery. Benign acute myositis is more common in children and usually follows viral infection. Although our case may represent an adult form of benign acute childhood myositis, she had no history of preceding infections. Benign acute myositis is increasingly reported in adults. It appears to be self-limited with spontaneous full recovery. The diagnosis is largely based on clinical features. Therefore, clinicians should be aware of this type of myositis to avoid unnecessary invasive investigations.
摘要：
肌炎是具有广泛临床表现的临床病症。我们介绍了33岁的女性，有双腿疼痛和肿胀的急性病史。研究证实了小腿肌肉的急性双侧肌炎。她对保守的管理反应良好，完全康复。良性急性肌炎在儿童中更常见，通常伴随病毒感染。尽管我们的病例可能是成人形式的良性急性儿童肌炎，她没有既往感染史。良性急性肌炎在成人中的报道越来越多。它似乎是自发完全恢复的自我限制。诊断主要基于临床特征。因此,临床医生应该意识到这种类型的肌炎，以避免不必要的侵入性检查。
