婴儿骨皮质增生症是婴儿期少见疾病,但极易误诊为炎症。现报告5例如下。1 临床资料1.1 一般资料男4例,女1例。年龄2个月1例,3个月2例。病程1周内3例,1月内2例。2例曾误诊为下颌淋巴结炎。1.2 症状和体征1.2.1 主要症状有发热3例,体温37～38℃;异常哭闹和烦躁不安5例,原很安静的婴儿突然烦躁、 Infantile cortical hyperplasia is a rare disease in infancy, but can be easily misdiagnosed as inflammation. Now report 5 cases as follows. 1 Clinical data 1.1 General Information 4 males and 1 female. 1 year old in 2 months and 2 cases in 3 months. Course of disease within 1 week in 3 cases, 2 cases in January. 2 cases had been misdiagnosed as mandibular lymphadenitis. 1.2 Symptoms and signs 1.2.1 The main symptoms are fever in 3 cases, body temperature 37 ~ 38 ℃; unusual crying and irritability in 5 cases, the original very quiet baby suddenly irritable,