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Paediatrics
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X-Type

Skewfoot (Serpentine Foot)

Pediatric Foot Deformities

A 3-year-old child is referred with bilateral foot deformities noted since birth. The parents report the feet have an unusual "S-shaped" appearance when viewed from below. Examination reveals forefoot adductus with the medial border of the foot curved inward, but paradoxically the hindfoot is in valgus with lateral displacement of the calcaneus. The talonavicular joint appears subluxated laterally. The deformity is partially flexible. Radiographs confirm forefoot adductus with increased talocalcaneal angle indicating hindfoot valgus. Regarding this condition:

Mark each as TRUE or FALSE

A

This is skewfoot (serpentine foot or Z-foot), a complex deformity characterised by the combination o...

B

Skewfoot must be distinguished from simple metatarsus adductus (which has normal hindfoot alignment)...

C

Skewfoot is simply a severe form of metatarsus adductus and should be treated identically with seria...

D

The pathoanatomy involves lateral subluxation at the talonavicular joint with the navicular displace...

E

Skewfoot may be congenital (associated with other neuromuscular conditions) or acquired (iatrogenic ...

Answer the questions to see explanations

Click T (True) or F (False) for each option