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病人 男,8岁,父母非近亲结婚,无其它遗传性疾病。体检:发育良好,营养中等,右手中部可见“V”形裂隙,在裂隙桡侧处可触及短小掌指骨,末端无指甲。左手正常,双足趾骨数目及发育均正常。呼吸、循环、消化、神经、泌尿系等均无异常。X线检查:摄右手正位片显示,腕骨仅2块,较粗大,
Male patient, 8 years old, non-relatives of parents marry, no other genetic diseases. Physical examination: well-developed, moderate nutrition, the middle of the right hand can see the “V” -shaped fissure, palpable short palmar phalanges at the radial side of the fissure, no nails at the end. Left hand normal, double-legged toe bone number and development were normal. Breathing, circulation, digestion, nerves, urinary tract and other no abnormalities. X-ray examination: right hand taking positive film shows that only two carpal bones, thicker,