遗传性骨、软骨发育障碍侏儒包括多种疾病,每种病都是少见病。其中,发病率最高的是软骨发育不全,约为1/77000～1/15000,而假性软骨发育不全更为罕见。现将我院2005年3月收治黑龙江省阿城地区1例患儿报告如下。患儿女,2.1岁,足月顺产,出生时发育正常。1岁后生长缓慢,走路轻度左 Hereditary bones, cartilage disorders Dwarf includes a variety of diseases, each of which is a rare disease. Among them, the highest incidence of achondroplasia, about 1/77000 ~ 1/15000, and pseudo-achondroplasia is even more rare. Now in our hospital in March 2005 admitted to Acheng district in Heilongjiang Province, a case report is as follows. Children with children, 2.1 years old, full-term birth, normal development at birth. Slow growth after 1 year of age, walking light left