Newborn with a scalp defect

CT of aplasia cutis
3D CT without contrast of the skull viewed from above in soft tissue windows at 2 weeks of age (left) shows a defect in the scalp in the region of the anterior aspect of the sagittal suture. 3D CT without contrast of the skull viewed from above in bone windows done 10 years later (right) shows a defect in the skull in the region of the anterior aspect of the sagittal suture.

The diagnosis was aplasia cutis with a skull defect.