The Journal of Bone and Joint Surgery (American). 2009;91:2696-2699.
doi:10.2106/JBJS.H.01318
© 2009 The Journal of Bone and Joint Surgery, Inc.
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Acetabular Paralabral Cyst as a Rare Cause of Sciatica

A Case Report

Huw G. Jones, MBBCh1, Stephen M. Sarasin, BSc(Hons), MSc(Orth)Eng, MBChB, MRCS, FRCS(Orth)2, Stephen A. Jones, BSc(Hons), MSc, MBBCh, MRCS, FRCS(Orth)2 and Peter Mullaney, BMedSci, BMBS, MRCS, FRCR3

1 22 Llys Meirion, Caernarfon, Gwynedd LL55 1LE, United Kingdom. E-mail address: huwgjones@hotmail.com
2 Department of Trauma and Orthopaedics, Llandough Hospital, Penlan Road, Penarth CF64 2XX, United Kingdom
3 Department of Radiology, University Hospital of Wales, Heath Park, Cardiff CF14 4XW, United Kingdom

Investigation performed at the Department of Orthopaedics, Llandough Hospital, Cardiff, United Kingdom

The first 150 words of the full text of this article appear below.


   Introduction
 
To our knowledge, there have been only two reported cases of large acetabular paralabral cysts causing sciatica1,2 and none reported in the English-language orthopaedic surgical literature.

Sciatica is defined as pain experienced along the sciatic nerve distribution. It is most commonly caused by a herniated disc or spinal stenosis3. Extraspinal pathology associated with symptoms and signs of sciatica is infrequent.

Synovial cystic lesions are commonly found in large joints, such as the shoulder, knee, and hip. Such lesions, when occurring in the hip and shoulder joints, are often associated with labral tears and are known as labral or paralabral cysts according to their anatomical relationship with the joint1,4.

In the hip, tears of the labrum can cause loss of congruity between the femoral head and the acetabulum, thus leading to increased intra-articular pressure. This elevated pressure can force synovial fluid into the acetabulum or the surrounding soft tissues, . . . [Full Text of this Article]


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