Fingers, Cutaneous Syndactyly of

Definition:

Objective: A soft tissue continuity in the A/P axis between two fingers that extends distally to at least the level of the PIPJ

Subjective: A soft tissue continuity in the A/P axis between two fingers that lies significantly distal to the flexion crease that overlies the metacarpophalangeal joint of the adjacent fingers

Comments:

We have set an arguably arbitrary threshold to distinguish the objective from the subjective finding. While severe degrees of cutaneous syndactyly are clearly objective, more subtle degrees are subjective. We set this threshold to distinguish these two situations. The digits (or parts of) are joined together by tissue that is not normally present between the digits at that point in the P/D axis. A modifier of "complete" may be used if the cutaneous syndactyly extends to the distal end of the nail bed of the digits. The affected digits should be specified. Note that the unqualified term "syndactyly" is no longer allowed as it is unclear whether this refers to bony or cutaneous syndactyly.

Replaces:

• Syndactyly (without adjective)
• Zygodactyly

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