Clinical Diagnosis of Medial Plica Syndrome of the Knee –A Prospective Study

Vijay D. Shetty; Sarah L. Vowler; Suresh Krishnamurthy; Andrew E.G. Halliday

doi:10.1055/s-0030-1248057

The Journal of Knee Surgery, Table of Contents

J Knee Surg 2007; 20(4): 277-280
DOI: 10.1055/s-0030-1248057

Original Article

Clinical Diagnosis of Medial Plica Syndrome of the Knee – A Prospective Study

Vijay D. Shetty¹ , Sarah L. Vowler² , Suresh Krishnamurthy³ , Andrew E.G. Halliday⁴

¹The L.H. Hiranandani Hospital, Powai, Mumbai, India
²The Centre for Applied Medical Statistics, University of Cambridge, Cambridge, United Kingdom
³The Princess Royal Hospital, Telford, United Kingdom
⁴The Grantham and District Hospital, Grantham, Lincolnshire, United Kingdom

Abstract

ABSTRACT

Clinical diagnosis of symptomatic medial plica that causes anteromedial knee pain is poorly defined in the literature; therefore, arthroscopy is considered to be the gold standard for diagnosing this condition. We report our system of clinical diagnosis for medial plica syndrome that is based on patient history and our criteria for clinical examination. This prospective study included 48 symptomatic patients (66 knees) with clinical suspicion of pathological medial plica based on five essential and four desirable criteria. All patients underwent arthroscopic examination to confirm or disprove the clinical diagnosis and also treatment. Arthroscopy confirmed the clinical diagnosis of medial plicae in 44 patients (62 knees) for a diagnostic accuracy of 91.7% (95% confidence interval [CI]: 80% to 97.7%) and sensitivity of 100% (95% CI: 92% to 100%). The 44 patients with pathological medial plicae at arthroscopy were treated by arthroscopic resection. Thirty-nine patients (55 knees) showed satisfactory outcome after arthroscopy (95% CI: 75.4%, 96.2%). Our method of clinical diagnosis of pathological medial plica is simple, inexpensive, noninvasive, and reliable. We conclude arthroscopy is successful in treating this condition.

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