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Ulnar Club Hand

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Ulnar Club Hand

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What conditions is this associated with?

Not associated with systemic syndromes unlike Radial club hand
Other deformities - PFFD, Fibula Hemimelia

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Clinical features of Ulnar club hand?

Shortened, bowing, loss of ulna digits, Syndactyly
Decreased elbow function
Usually painless with limited function

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Classification of Ulnar Club hand?

Bayne Classification / Dobyn's Classification

Type 0 - deficiencies of carpus or hand only
Type 1 - undersized ulna (small/ hypoplasia)
Type 2 - part of ulnar missing (partial aplasia)
3 - absent ulnar
4 - Radiohumeral synostosis

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Management of ulnar club hand?

Depends on thumb function, elbow instability, overall limb function
Non op - splinting and stretching
Operative

Type 2 - Radial head resection and creation of one bone forearm (for stability
Type 4 - osteotomy of synostosis

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