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Journal of Bone and Joint Surgery - British Volume, Vol 65-B, Issue 4, 428-432
Copyright © 1983 by British Editorial Society of Bone and Joint Surgery

Articles

The diagnostic value of traction during radiography in diseases of the hip. A preliminary report

J Vegter and JA van den Broek

A diastasis between the femoral head and the acetabulum can be achieved for a short while by the application of manual traction on the lower extremity. The intra-articular low-pressure area can be visualised radiographically and is known as a "vacuum phenomenon". The resulting arthrogram clearly outlines the shape, thickness and extent of the cartilage. In the presence of an effusion the diastasis occurs without a vacuum phenomenon. This simple, non-invasive and inoffensive method of traction radiography will not only show abnormalities of the cartilage but also demonstrate the presence or absence of an effusion of the hip.




(c) British Editorial Society of Bone and Joint Surgery All Rights Reserved
Registered charity no: 209299     Print ISSN: 0301-620X
Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General