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Related Experiment Video

Updated: Jun 20, 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

Complete suprapatellar plica presenting like a tumor.

M Ehlinger¹, T Moser, P Adam

¹Department of orthopaedic and traumatologic surgery, Strasbourg University Hospitals, Hautepierre, Strasbourg, France. matthieu.ehlinger@chru-strasbourg.fr

Orthopaedics & Traumatology, Surgery & Research : OTSR

|September 15, 2009

Summary

A rare case of a complete suprapatellar plica causing knee pain in a teenager was successfully treated with arthroscopic surgery. This condition, often asymptomatic, can present as a pseudotumoral mass, requiring surgical intervention for relief.

Related Experiment Videos

Last Updated: Jun 20, 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

Area of Science:

Orthopedics
Sports Medicine
Radiology

Background:

Synovial plicae are common intra-articular structures in the knee, frequently asymptomatic.
Suprapatellar plicae constitute a significant portion of all knee plicae, typically causing no symptoms unless complete.

Observation:

A 17-year-old male presented with chronic right knee discomfort, exacerbated by prolonged sitting.
Clinical examination revealed an anterolateral suprapatellar mass, prompting further investigation.
MR imaging demonstrated a liquid-filled mass and a complete suprapatellar band, indicative of a complete septum type plica.

Findings:

The patient's symptoms were attributed to a complete suprapatellar plica with a pseudotumoral appearance.
Arthroscopic resection of the plica was performed.
Histopathological analysis confirmed the benign nature of the resected tissue.

Implications:

This case highlights that complete suprapatellar plicae, though rare, can manifest with pseudotumoral symptoms and cause significant discomfort.
Arthroscopic surgery is an effective treatment for symptomatic complete suprapatellar plicae.
Early diagnosis through imaging modalities like MRI is crucial for appropriate management.