坏死增生性淋巴结病（NAL）最初由日本菊池［１］于1972年首次报告，以后国内相继有病例报道［2］，但至今尚未成书，小儿病例更为少见。此病临床表现多样，初诊病例极易误诊。我科近年来收治6例，均为误诊病例，现报告如下：临床资料本文6例，男3例，女3例；年龄为5-12岁；主? Necrosis of the mouth (NAL) was first reported by the Japanese Kikuchi [1] in 1972, and later cases were reported in the country [2], but it has not yet been published. Pediatric cases are even rarer. The clinical manifestations of the disease varied, newly diagnosed cases easily misdiagnosed. In recent years, our department admitted 6 cases, are misdiagnosed cases, are as follows: Clinical data of this article in 6 cases, 3 males and 3 females; aged 5-12 years old;