目的 分析Proteus综合征临床特征及病因，有利于本病的临床诊断。方法 体格检查、X线检查，文献复习。结果 左腿比右腿略短，左腿、左足及臀部皮肤布满不规则红褐色斑块。X线显示：左侧股骨比右侧缩短，左足跖骨和趾 骨增粗且非骨性并连。结论 Proteus综合征临床特征及病因分析对其早期诊断具有重要价值。

Objective Analyze the clinical symptoms and etiology of Proteus Syndrome, which is conducive to the clinical diagnosis of this disease. Methods Physical examination, X-ray examination, literature review. Results Left leg is a little shorter than right leg and there are some irregular red brown plaque covering the skin of left leg, left foot and hip. X-ray displaying: Left femur is shorter than right one; Metatarsal bones and Phalanges of left foot increase thickly and connect in parallel with none-bones. Conclusion The clinical symptoms and the analyses of the etiology of Proteus Syndrome have important value for the early clinical diagnosis.