Locked knee Caused by Type D Medial Plica and Partial Tear of the Anterior Cruciate Ligament: A Case Report

We report a thirty year-old man who presented with a locked knee caused by both type D medial plica and partial tear of the anterior cruciate ligament. He experienced pain in the left lateral side of his femoro-tibial joint and his range of motion was limited from -10 degree to 130 degree. Preoperat...

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Bibliographic Details
Published inOrthopedics & Traumatology Vol. 46; no. 3; pp. 609 - 611
Main Authors Takashita, Mitsuhiro, Takami, Hiroaki, Uchinou, Shouichi, Ihara, Hidetoshi, Kamo, Youshi
Format Journal Article
LanguageEnglish
Published West-Japanese Society of Orthopedics & Traumatology 1997
Subjects
anterior cruciate ligament
locked knee
plica synovialis
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ISSN0037-1033
1349-4333
DOI10.5035/nishiseisai.46.609

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Summary:We report a thirty year-old man who presented with a locked knee caused by both type D medial plica and partial tear of the anterior cruciate ligament. He experienced pain in the left lateral side of his femoro-tibial joint and his range of motion was limited from -10 degree to 130 degree. Preoperative diagnosis was a lateral meniscus tear. Arthroscopic examination revealed that the torn type D plica had impinged on the medial femoral condyle and the knee was flexed by the partial tear of the ACL which had impinged on the intercondylar space there by blocking full extension. After arthroscopic resection of both lesions, the patient's symptoms diminished. The diagnostic difficulty of such a patient with a locked knee not caused by a meniscal injury are discussed.
ISSN:0037-1033
1349-4333
DOI:10.5035/nishiseisai.46.609