Table 2.

Radiologic findings in HNF1B mutation carriersa

Radiologic Abnormalityn (%)
Abnormal antenatal renal scan21 (100)
First postnatal scan
    bilateral disease16 (76)
    large, echogenic, no cysts9 (43)
    large, echogenic with cysts5 (24)
    unilateral MCDK4 (19)
    bilateral hydronephrosis3 (14)
  • a Note that all mutation carriers had abnormal antenatal scans. On the first postnatal scan, cysts were present in only nine (43%) patients, and abnormalities were unilateral in five (24%).