Foot Deformities in Children With HSMN (CMT)

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J Pediatr Orthop. 2005 March/April;25(2):241-244.

Foot Deformities in Children With Hereditary Motor and Sensory Neuropathy.

Wines AP, Chen D, Lynch B, s MM.

From *Royal North Shore Hospital; daggerthe Children's Hospital at Westmead,

Sydney, Australia; and double daggerCentral Remedial Clinic and the Children's

University Hospital, Dublin, Ireland.

The authors reviewed 104 feet from 52 consecutive children with hereditary motor

and sensory neuropathy (HMSN) seen for the first time in clinics in two

pediatric institutions between 1996 and 2003. Sixty-nine feet had a cavovarus

deformity, 23 feet had a planovalgus deformity, and 12 feet had no significant

deformity. All cases with deformity had bilateral involvement, and of those with

deformity, only 45% had symmetric involvement. In HMSN I, III, IV, V, and

X-linked HMSN, cavovarus was the most common deformity. However, in HMSN II, 55%

of feet had a planovalgus deformity, 36% had a cavovarus deformity, and 9% had

no deformity. In all, 43 feet underwent surgery of some type. Surgery, and in

particularly combined bony and soft tissue procedures, was performed much more

frequently on feet with cavovarus than planovalgus deformities. Soft tissue

surgery alone was performed at an earlier age than combined bony and soft tissue

surgery.

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