Fig. 6
From: New ultrasound features in diagnosing fetal anal atresia: a multicenter prospective cohort study

Completely undeveloped anal canal (2D, transabdominal). (a) and (b) “line sign” on coronal plane and transverse plane δ, respectively.
From: New ultrasound features in diagnosing fetal anal atresia: a multicenter prospective cohort study
Completely undeveloped anal canal (2D, transabdominal). (a) and (b) “line sign” on coronal plane and transverse plane δ, respectively.