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Fracture of the sesamoid bones of the thumb associated with volar plate injury: ultrasound diagnosis

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Abstract

The fractures of sesamoid bones of the hand are rare, sometimes the diagnosis is missed. We report a case of fracture of both the ulnar and radial sesamoids of the metacarpophalangeal (MCP) joint of the thumb. The trauma (hyperextension of the thumb during a soccer match) also caused a lesion of the volar plate. The diagnosis was made by ultrasound (US) and confirmed by CT scan.

Riassunto

Le fratture dei sesamoidi della mano sono eventi rari, talvolta non diagnosticati. Presentiamo il caso di una frattura che ha interessato sia il sesamoide radiale che ulnare della articolazione metacarpofalangea (MCP) del pollice. Il trauma (iperestensione del pollice durante una partita di calcio) ha inoltre causato la lesione della placca volare. La diagnosi è stata fatta con l’ecografia (US) e confermata alla TC.

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Conflict of interest

The authors have no conflict of interest.

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All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2000. All patients provided written informed consent for enrolment in the study and for the inclusion in this article of information that could potentially lead to their identification.

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The study was conducted in accordance with all institutional and national guidelines for the care and use of laboratory animals.

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Correspondence to Marco Becciolini.

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Becciolini, M., Bonacchi, G. Fracture of the sesamoid bones of the thumb associated with volar plate injury: ultrasound diagnosis. J Ultrasound 18, 395–398 (2015). https://doi.org/10.1007/s40477-015-0166-1

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  • DOI: https://doi.org/10.1007/s40477-015-0166-1

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