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Coccygeal Retroversion

Dennell, Lucy V., FRCS; Nathan, Soosai, FRCS (Ed), Orth

doi: 10.1097/01.BRS.0000127194.97062.17
Case Report

Study Design. A retrospective review of a case of coccygodynia caused by a previously unreported coccygeal morphology.

Objectives. To draw attention to a previously undiagnosed pathology.

Background. This case adds to the recently described variants of coccygeal anatomy.

Methods. The authors present the case of a 42-year-old woman with intractable coccygodynia and a retroverted coccyx.

Results. The histologic examination of the resected specimen after coccygectomy revealed a bony lesion covered with thick fibrous tissue and evidence of mature adipocytes within trabecular spaces. (The latter was described in a supplementary report as an intraosseous lipoma.)

Conclusion. A retroverted coccyx and adventitious bursa represent a pathoanatomy not formally reported on in the literature. This type of coccyx that is symptomatic may not respond to the traditional prolonged period of conservative management.

This is a case report outlining previously undescribed coccygeal anatomy.

From the Department of Orthopaedics, West Middlesex University Hospital, London, UK.

Acknowledgment date: July 15, 2003. Acceptance date: October 27, 2003.

The manuscript submitted does not contain information about medical device(s)/drug(s).

No funds were received in support of this work. No benefits in any form have been or will be received from a commercial party related directly or indirectly to the subject of this manuscript.

Address correspondence to Lucy V. Dennell, FRCS, 8 Goring Road, Bounds Green, London, N11 2BX, England; E-mail:

© 2004 Lippincott Williams & Wilkins, Inc.