Chappard D, Lauras B, Fargier P, Knopf J F
J Genet Hum. 1983 Dec;31 Suppl 5:403-11.
Two cases of sirenomelia with multicystic renal dysplasia (Potter's type II A) are reported. One case was discovered on fetal ultrasonography. Multicystic renal dysplasia in sirenomelia is an additional plea for a primitive mesoblastic defect in the caudal regression syndrome.
报告了两例合并多囊性肾发育不良（波特II A型）的并腿畸形病例。其中一例是在胎儿超声检查时发现的。并腿畸形中的多囊性肾发育不良是尾端退化综合征中原始中胚层缺陷的又一证据。
