Ruptures of the Collateral Ligament of a Metacarpophalangeal Joint except the thumb Surgical Experience

Collateral ligament injuries of the proximal interphalangeal (PIP) joint and metacarpophalangeal (MP) joint of the thumb are relatively common. However only a small series has been reported regarding ruptures of collateral ligaments of a non-thumb MP joint. We present two interesting cases of ruptur...

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Published inOrthopedics & Traumatology Vol. 46; no. 3; pp. 790 - 795
Main Authors Ohkubo, Shinji, Uda, Hirokazu, Imada, Hideaki, Shimamura, Masatoshi, Hagiyama, Yoshitaka, Matsuo, Toshihiro, Ohsugi, Ken
Format Journal Article
LanguageEnglish
Published West-Japanese Society of Orthopedics & Traumatology 1997
Subjects
collateral ligament
metacarpophalangeal joint
volar dislocation
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ISSN0037-1033
1349-4333
DOI10.5035/nishiseisai.46.790

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Summary:Collateral ligament injuries of the proximal interphalangeal (PIP) joint and metacarpophalangeal (MP) joint of the thumb are relatively common. However only a small series has been reported regarding ruptures of collateral ligaments of a non-thumb MP joint. We present two interesting cases of ruptures of the collateral ligament of the index and ring finger, which needed surgical treatment. One was accompanied by volar dislocation of the MP joint. In both cases, the metacarpal bone head was entraped between the extensor and dorsal joint capsule. This entrapment may be most important pathologic feature militating against successful closed reduction.
ISSN:0037-1033
1349-4333
DOI:10.5035/nishiseisai.46.790