Merck Manual

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Marfan Syndrome (Long Fingers)
arachnodactyly-marfan-sherry-sized
Marfan Syndrome (Long Fingers)

    Marfan syndrome is characterized by abnormally long fingers. In this photo, the woman's thumb overlaps her index finger when her hand is wrapped around her wrist.

Photo courtesy of David D. Sherry, MD.

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Marfan Syndrome