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New observations on meniscal cysts.

Jada Jean Anderson¹, Gregory F Connor, Clyde A Helms

¹Duke University Medical Center, Durham, NC, USA. anderson.jada@gmail.com

Skeletal Radiology

|August 4, 2010

Summary

Meniscal cysts are found in 8% of knee MRIs, often associated with meniscal tears. Accurate diagnosis relies on understanding MR imaging characteristics and potential pitfalls.

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Area of Science:

Radiology
Orthopedics
Medical Imaging

Background:

Meniscal cysts are fluid collections adjacent to the meniscus.
Accurate diagnosis and management require understanding their imaging features.

Purpose of the Study:

Determine the incidence of meniscal cysts.
Assess the frequency of various magnetic resonance (MR) imaging characteristics.
Highlight commonly overlooked radiographic observations.

Main Methods:

Retrospective review of 2,095 knee MR imaging reports.
Analysis of meniscal cyst presence, location, and association with tears.
Correlation of MR findings with arthroscopic reports when available.

Main Results:

167 meniscal cysts (8.0%) identified in 161 patients.
62.3% were parameniscal cysts, 37.7% intrameniscal.
57.8% of cysts were associated with meniscal tears, with 84% of those involving articular surface tears.

Conclusions:

Meniscal cysts occur in 8.0% of knee MRIs.
Parameniscal cysts are more common than intrameniscal cysts.
The association with articular surface tears is lower than previously reported.

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Last Updated: Jun 10, 2026

Arthroscopic Excision of Posterior Cruciate Ligament Cysts Using a Double Posteromedial Approach

Arthroscopic Excision of Posterior Cruciate Ligament Cysts Using a Double Posteromedial Approach

Published on: October 20, 2023