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Updated: Jun 28, 2026

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

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Medial meniscal cyst: a case report.

Mauro Spina¹, Giacomo Sabbioni, Domenico Tigani

¹VII Department of Orthopaedic Surgery, Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna, Italy. spina.mauro@gmail.com

La Chirurgia Degli Organi Di Movimento

|November 18, 2008

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Meniscal cysts, often linked to horizontal meniscal tears, are effectively diagnosed with MRI. Arthroscopic surgery, including meniscectomy, offers a successful treatment for these rare conditions.

Area of Science:

Orthopedics
Radiology
Surgical Procedures

Background:

Meniscal cysts are rare, typically associated with horizontal meniscal lesions.
Magnetic resonance imaging (MRI) is the preferred diagnostic method due to its high sensitivity and specificity.
Arthroscopic decompression and selective meniscectomy are the standard treatments.

Observation:

A case of a large medial meniscal cyst is presented.
MRI was crucial for preoperative diagnosis of the underlying horizontal meniscal tear.
The cyst caused significant degeneration of the meniscus.

Findings:

Arthroscopic surgery involved selective meniscectomy of the medial meniscus (body and posterior horn) and cyst decompression.
Post-operative physical examination at six months revealed complete resolution of swelling.

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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

Patients experienced no walking pain and regained a normal range of motion.

Implications:

This case highlights the importance of MRI in diagnosing meniscal cysts and associated tears.
Arthroscopic management provides an effective treatment option for symptomatic meniscal cysts.
Successful surgical outcomes can restore function and alleviate pain in affected individuals.