From the case:
Short 5th metacarpal
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Short 5th metacarpal without shortening of the 4th.
Case Discussion
Short 5th metacarpal without shortening of the 4th, does not fall into the short 4th/5th metacarpal gamut, as it has a normal metacarpal sign.
Isolated shortening of the 5th metacarpals has also been recently described in a familial variant of Type A diabetes mellitus 1.