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Related Experiment Video

Updated: May 9, 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

Cysts about the knee: evaluation and management.

Drew Stein¹, Matthew Cantlon, Brendan Mackay

¹NYU Hospital for Joint Diseases, New York, NY, USA.

The Journal of the American Academy of Orthopaedic Surgeons

|August 3, 2013

Summary

Four common cystic masses around the knee, including popliteal (Baker) cysts, are discussed. Their origins, symptoms, and varied treatment strategies based on presentation are summarized.

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Microscopic Cyst Resection for the Treatment of Patients Diagnosed with Epididymal Cyst

Microscopic Cyst Resection for the Treatment of Patients Diagnosed with Epididymal Cyst

Published on: March 31, 2023

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Last Updated: May 9, 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

Microscopic Cyst Resection for the Treatment of Patients Diagnosed with Epididymal Cyst

Microscopic Cyst Resection for the Treatment of Patients Diagnosed with Epididymal Cyst

Published on: March 31, 2023

Area of Science:

Orthopedics
Sports Medicine
Radiology

Background:

Cystic masses around the knee are common, including popliteal (Baker) cysts, meniscal cysts, proximal tibiofibular joint cysts, and cruciate ligament ganglion cysts.
These cysts arise from various mechanisms, such as synovial fluid accumulation in bursae or menisci, or degeneration of ligaments.

Purpose of the Study:

To review the etiology, clinical presentation, and management of common cystic masses around the knee.
To differentiate between various types of knee cysts and their associated pathologies.

Main Methods:

Literature review of studies on knee cystic masses.
Analysis of cyst formation, clinical symptoms, and treatment outcomes.

Main Results:

Popliteal cysts result from synovial fluid accumulation in the bursa, presenting asymptomatically to painfully.
Meniscal cysts are associated with meniscal tears, causing joint-line pain and swelling.
Proximal tibiofibular and cruciate ligament cysts are less common, with unclear etiologies, often presenting with pain and limited motion.

Conclusions:

Management of knee cysts is tailored to the specific type, symptomatology, and underlying cause.
Surgical intervention, including arthroscopic excision, is often indicated for symptomatic cysts.