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Updated: Jul 17, 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

Hereditary multiple exostoses with pseudoaneurysm.

Azmy M Al-Hadidy¹, Moa'ath M Al-Smady, Azmi A Haroun

¹Department of Diagnostic Radiology, Jordan University Hospital, University of Jordan, Amman 11942, Jordan. ahadidy@ju.edu.jo

Cardiovascular and Interventional Radiology

|January 18, 2007

Summary

Hereditary multiple exostoses (HME) can cause rare popliteal artery pseudoaneurysms in young patients. Early diagnosis via advanced imaging and surgical repair with a saphenous graft are crucial for managing this vascular complication.

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Last Updated: Jul 17, 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
Vascular Surgery
Medical Imaging

Background:

Hereditary multiple exostoses (HME) is a genetic disorder characterized by the development of multiple osteochondromas.
Vascular complications, though rare, can occur in HME patients, with pseudoaneurysms being the most frequent.
The popliteal artery is a common site for pseudoaneurysm formation in the context of HME.

Observation:

A 16-year-old male with HME presented with a pseudoaneurysm of the left popliteal artery.
The pseudoaneurysm was attributed to an osteochondroma originating from the lower femur.
Diagnosis was established using ultrasound, MRI, and MR angiography, obviating the need for conventional angiography.

Findings:

Surgical excision of the osteochondroma was performed.
The damaged popliteal artery was successfully repaired using a saphenous vein graft.
This case highlights the importance of considering pseudoaneurysm in HME patients presenting with knee masses.

Implications:

Early recognition of pseudoaneurysm is vital in young HME patients with knee masses.
Non-invasive imaging modalities are effective for diagnosing this vascular complication.
Timely surgical intervention can lead to successful outcomes and prevent further complications.