Positive metacarpal sign

In the metacarpal sign, a line drawn along the heads of the 4th and 5th metacarpals will intersect the head of the 3rd metacarpal if shortening is present. The shortened 4th metacarpal is the key to the sign.

The sign is positive in up to 9.6% of normal individuals 3. It is however seen in a variety of conditions.

For a gamut of this sign see: short 4th/5th metacarpal.

Article information

rID: 1666
Section: Signs
Synonyms or Alternate Spellings:
  • 4th metacarpal bone sign
  • Metacarpal sign

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Cases and figures

  •  Case 1 : positive metacarpal sign
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  • Case 2 : positive metacarpal sign - Turner syndrome
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  • Case 3 : positive metacarpal sign
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