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Case report
Safe surgical hip dislocation for acetabular osteoid osteoma excision
  1. Sujit Tripathy1,
  2. Paulson Varghese1,
  3. Siddharth Sekhar Sethy1 and
  4. Kanhaiyalal Agrawal2
  1. 1Department of Orthopaedics, AIIMS, Bhubaneswar, Odisha, India
  2. 2Nuclear Medicine, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India
  1. Correspondence to Dr Sujit Tripathy; ortho_sujit{at}aiimsbhubaneswar.edu.in

Abstract

Excision of acetabular osteoid osteoma is technically difficult. We report osteoid osteoma of the quadrilateral plate in a 9-year-old girl who presented to us with persistent nocturnal pain, limp and restricted hip joint movement. The child was investigated with CT scan, MRI and triple-phase bone scan. The 0.7 cm nidus was located in the central portion of the cancellous bone in the quadrilateral plate, 1.94 cm inferior to the triradiate cartilage. The child was operated on through the safe surgical dislocation of the left hip. The location of the lesion was gauged from the preoperative CT scan measurement data and intraoperative fluoroscopic aid. The nidus with a sclerotic rim was burred down completely. Postoperative X-ray and CT scan revealed complete excision of the tumour, and the patient was pain-free. At 18 months follow-up, the patient is completely asymptomatic and walking normally.

  • musculoskeletal and joint disorders
  • orthopaedics
  • radiology

https://doi.org/10.1136/bcr-2021-246025

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    Footnotes

    • Contributors ST, PV and SSS managed the case. KA helped in diagnosis. ST and SSS wrote the initial draft. KA provided intellectual content. All authors read the manuscript and approved it for publication.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

    • Competing interests None declared.

    • Provenance and peer review Not commissioned; externally peer reviewed.