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The absent fifth metacarpal

J A Buckwalter, A E Flatt, D G Shurr

    The Journal of Hand Surgery
    |July 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

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    Congenital absence of the fifth metacarpal bone is a rare condition. This study defines this anomaly in seven patients, noting the presence of the ulna and little finger phalanges.

    Area of Science:

    • Orthopedics
    • Medical Genetics
    • Developmental Biology

    Background:

    • Metacarpal abnormalities encompass a range of skeletal variations.
    • Congenital anomalies affecting the fifth metacarpal, specifically its complete or partial absence, remain poorly characterized in medical literature.

    Purpose of the Study:

    • To define and describe the congenital anomaly of longitudinal partial or complete absence of the fifth metacarpal.
    • To present a series of patients exhibiting this specific metacarpal defect.

    Main Methods:

    • Case series reporting on seven patients.
    • Clinical and radiological evaluation of affected individuals.

    Main Results:

    • Seven patients presented with longitudinal partial or complete absence of the fifth metacarpal.

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  • The ulna and the three phalanges of the little finger were present in all reported cases.

    • Conclusions:

    • This study provides a clearer definition of fifth metacarpal absence as a distinct congenital anomaly.
    • Further research into the etiology and clinical implications of this condition is warranted.