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Case report
Radiological characteristics of mixed composition intraorbital foreign body
  1. Jessica Y Tong1,
  2. Valerie Juniat2,3,
  3. Sandy Patel4 and
  4. Dinesh Selva2,3
  1. 1Department of Ophthalmology, Westmead Hospital, Westmead, New South Wales, Australia
  2. 2Department of Ophthalmology and Visual Sciences, The University of Adelaide, Adelaide, South Australia, Australia
  3. 3South Australian Institute of Ophthalmology, Adelaide, South Australia, Australia
  4. 4Department of Neuroradiology, Royal Adelaide Hospital, Adelaide, South Australia, Australia
  1. Correspondence to Dr Jessica Y Tong; jtong.90{at}gmail.com

Abstract

Orbital trauma is commonly complicated by retention of intraorbital foreign bodies. A 39-year-old man presented following a penetrating injury to the right orbit, with CT evidence of foreign bodies in the right anterior and posterior medial orbit. The foreign bodies were found to be a mixed composition of metal and wood. Characterising wood on CT imaging is difficult due to its radiolucency and low density, which can be mistaken for air in the setting of traumatic orbital emphysema. Increasing the window width on bone window settings can be used to distinguish wood from air, which is crucial for facilitating its complete surgical removal.

  • ophthalmology
  • radiology

http://dx.doi.org/10.1136/bcr-2021-245638

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    Footnotes

    • Contributors JT: manuscript writing and literature review. VJ: study design, data acquisition, manuscript writing and management of case. SP: manuscript revision and management of case. DS: study design, manuscript revision and management of case.

    • 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.

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