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视网膜色素变性、智能低下、肥胖、多指(趾)畸形及性发育不全系Laurence-Moon-Biedl综合征(或称Laurence-Moon-Bardet-Biedl综合征,以下单称LMBS)的主要临床表现。但是在临床上一方面有些遗传综合征的表现型与LMBS相似,另一方面又常见LMBS患者缺少一个或几个表现或者尚伴有其他先天性异常,以致诊断上常引起混淆。目前尚未阐明表现型与LMBS重叠的综合征究竟是由不同的突变基因所致还是由同一突变基因的表现度明显变
Retinal pigment degeneration, mental retardation, obesity, multiple digit (deformity) and hypoplasia of the Department of Laurence-Moon-Biedl syndrome (or Laurence-Moon-Bardet-Biedl syndrome, hereinafter referred to as LMBS) the main clinical manifestations. However, on the one hand, the clinical manifestations of some genetic syndromes are similar to those of LMBS. On the other hand, LMBS patients often lack one or more manifestations or are accompanied by other congenital abnormalities, which often cause confusion in diagnosis. It has not been elucidated whether the syndromes in which the phenotype overlaps with LMBS are caused by different mutant genes or by the same mutant genes