This site is targeted at medical and radiology professionals, contains user contributed content, and material that may be confusing to a lay audience. Use of this site implies acceptance of our Terms of Use.

Sandal gap deformity

A sandal gap deformity is an imaging observation in antenatal ultrasound (typically second trimester) where there is an apparent increase in the interspace between the great toe of the foot from the rest of the toes (likened to the gap caused by a sandal). 

While it can be a normal variant (especially when it is the only finding) it is also sometimes considered a soft marker for other fetal anomalies. 

Pathology

Associations

Recognised associations include

Differential diagnosis

For an unusually wide gap between the 1st and 2nd toe on antenatal ultrasound consider

Updating… Please wait.
Loadinganimation

Alert_accept

Error Unable to process the form. Check for errors and try again.

Alert_accept Thank you for updating your details.