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肺炎支原体（ＭＰ）感染近年来发病有上升趋势，且常引起各种肺外并发症。本文将我科自１９９５年１～１２月收治的５４例肺炎支原体感染患儿的临床特点及肺外表现进行了总结。本组均有发热及咳嗽，肺外表现分别有食欲不振、腹痛、腹泻、肝大、ＳＧＰＴ升高、心音低钝、窦性心动过速、心电图改变、心肌酶升高、皮疹、关节痛、脑炎、肉眼血尿及大泡性鼓膜炎等。Ｘ线检查５４例全部异常，血沉异常者占８４％，冷凝集试验５４例中≥１：３２者为３９例，占７３％，ＰＣＲ法查ＭＰ—ＤＮＡ阳性２例，１例并有三种合并症。以肺外表现为首发症状者易造成误诊。本病诊断主要靠临床表现及Ｘ线检查，冷凝集试验的动态观察对明确诊断起很大作用，ＰＣＲ法检查有待于进一步推广。本组病例主要采用红霉素及罗红霉素治疗，部分患儿使用头孢唑啉和西力欣治疗，本组全部治愈。
Mycoplasma pneumoniae (MP) infection in recent years the incidence of an upward trend, and often cause a variety of extra-pulmonary complications. In this paper, 54 cases of mycoplasma pneumoniae infection in our department from January 1995 to December 1995 were reviewed. The clinical features and extrapulmonary findings were summarized. This group has fever and cough, lung performance, respectively, loss of appetite, abdominal pain, diarrhea, hepatomegaly, SGPT increased, low heart sound blunt, sinus tachycardia, ECG changes, elevated myocardial enzymes, rash, joint pain, Encephalitis, gross hematuria and bullae tympanitis. X-ray examination of 54 cases were all abnormal, erythrocyte sedimentation rate was 84%, cold agglutination test in 54 cases ≥1: 32 were 39 cases, accounting for 73%, PCR method for MP-DNA positive in 2 cases, 1 case and there are three kinds of merger disease. To pulmonary manifestations as the first symptom can easily lead to misdiagnosis. The diagnosis of this disease mainly depends on the clinical manifestations and X-ray examination. The dynamic observation of the cold agglutination test plays a significant role in the definite diagnosis. The PCR test needs to be further popularized. This group of patients mainly with erythromycin and roxithromycin treatment, some children use cefazolin and Xili Xin treatment, the group of all cured.