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‘Bone within bone appearance’ in a pathological fracture
  1. Sathish Muthu1,2,
  2. Eswar Ramakrishnan2,3 and
  3. Girinivasan Chellamuthu2,4
  1. 1Velayuthampalayam Government Hospital, Velayuthampalayam, Tamil Nadu, India
  2. 2Orthopaedic Research Group, Coimbatore, Tamil Nadu, India
  3. 3Institute of Orthopaedics and Traumatology, Madras Medical College, Chennai, Tamil Nadu, India
  4. 4Department of Orthopaedic Surgery, Ganga Medical Centre and Hospitals, Coimbatore, Tamil Nadu, India
  1. Correspondence to Dr Sathish Muthu; drsathishmuthu{at}gmail.com

Abstract

A 60-year-old man presented to our hospital with complaints of pain and deformity on his right thigh for the past 2 days following a history of accidental slip and fall. Radiological investigations suggested a pathological type 2 Seinsheimer subtrochanteric fracture of the right femur with a ‘bone within bone’ appearance, which posed a diagnostic dilemma as this radiological appearance is seen in a spectrum of conditions. Radiographic skeletal survey failed to identify a similar appearance elsewhere in the body. Laboratory investigations pointed in favour of bone mineral disease, and histopathological examination of the bone narrowed it down to Paget’s disease. The fracture was fixed with a contralateral distal femur locking compression plate. The fracture site failed to show signs of union until 6 months postsurgery and hence the patient was advised for grafting procedure. The patient deferred surgery and remains without major complications until 18 months of follow-up.

  • orthopaedics
  • orthopaedic and trauma surgery

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Footnotes

  • Twitter @drsathishmuthu

  • Contributors SM, GC: conceptualisation, data curation, formal analysis, investigations, methodology, administration, resources, supervision, validation, visualisation, writing original drafts and reviewing drafts. ER: conceptualisation, data curation, formal analysis, investigations, methodology, administration, resources and supervision.

  • 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.

  • Competing interests None declared.

  • Patient consent for publication Obtained.

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

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