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


Ultrasound - obstetric
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Article Information

rID: 13184
Tag: cases
Synonyms or Alternate Spellings:
  • Sandal gap foot
  • Sandal gap toe
  • Sandal gap toes

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