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Cranial Bones: Lateral View01:27

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The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
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The superior view of the cranium shows the frontal and paired parietal bones.
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Hyperostosis Following Orbital Exenteration.

Sahar M Elkhamary1, Alicia Galindo-Ferreiro, Patricia Akaishi

  • 1*Department of Diagnostic Radiology, Mansoura Faculty of Medicine, Mansoura, Egypt; †King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia; ‡Department of Ophthalmology, Complejo Asistencial Palencia, Palencia, Spain; §Department of Ophthalmology, School of Medicine of Ribeirão Preto, University of São Paulo, São Paulo, Brazil; ‖Ophthalmology Consultation, Hospital Nuestra Señora de Fátima, Vigo, Spain; and ¶Department of Radiology, School of Medicine of Ribeirão Preto, University of São Paulo, São Paulo, Brazil.

Ophthalmic Plastic and Reconstructive Surgery
|June 3, 2016
PubMed
Summary
This summary is machine-generated.

Orbital hyperostosis is common after exenteration, but using musculocutaneous flaps for socket coverage significantly reduces its occurrence. Radiologists should monitor healing to avoid misdiagnosing recurrence or infection.

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Area of Science:

  • Ophthalmology
  • Radiology
  • Oncology

Background:

  • Orbital exenteration is a surgical procedure to remove orbital contents.
  • Postoperative complications can include hyperostosis, which may mimic tumor recurrence on imaging.

Purpose of the Study:

  • To describe CT scan findings after orbital exenteration.
  • To identify factors contributing to post-exenteration hyperostosis.

Main Methods:

  • Retrospective review of 27 patients who underwent unilateral orbital exenteration.
  • Analysis of demographic data, surgical details, and CT imaging.
  • Multivariate logistic regression to assess factors associated with hyperostosis.

Main Results:

  • Orbital hyperostosis was observed in 73.9% of patients.
  • Immediate socket rehabilitation with musculocutaneous flaps was associated with an 87% reduction in hyperostosis.
  • CT findings showed a specific pattern of bone thickening, progressing from endosteal thickening to diffuse circumferential bone formation.

Conclusions:

  • Post-exenteration hyperostosis is a frequent finding.
  • Awareness of this entity is crucial for accurate interpretation of follow-up imaging.
  • Musculocutaneous flap coverage effectively minimizes the development of orbital hyperostosis.