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Clinical Example: Multiple level syndactyly release and corrective
osteotomy for complex constriction ring syndrome
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Congenital hand differences do not always fall into neat categories and
a range of different approaches are usually possible. This boy's hand
has a double level syndactyly between the index and middle finger - a
bridge at the middle phalanx level with an associated
constriction ring groove, and a shallow web involving the same rays.
There is also failure of separation of the ulnar hand parts with
capitate-hamate coalition and absent ring ray other than a partly
separated metacarpal head.
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| Click on each image
for a larger picture |
The procedures were staged.
In the first procedure, the constriction ring syndactyly was taken down
by splitting the skin bridge into dorsal and palmar skin flaps.
This removed the angular tethering force on the index finger and
allowed maturation before the second procedures.
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Further growth allowed
better evaluation of the ulnar skeletal components.
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The second procedure
included web deepening with a three-flap plasty and closing wedge
osteotomy to realign the small finger metacarpophalangeal joint.
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American
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Hand
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