Figure 1&2 MR shows the absence of sacral spine below the level of S1. There is a tethered spinal cord with low-lying conus and a filum extending into a terminal intradural lipoma.
Figure 3 MCU shows a deformed bladder with "Christmas tree" configuration and urachal diverticulum. There is vesicoureteric reflux on the right.
DIAGNOSIS : | Sacrococcygeal agenesis (Caudal Regression Syndrome) with tethered cord and neurogenic bladder.
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