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Systemic diseases involving the orbit

S G McKinnon1, L R Gentry

  • 1Department of Radiology, University of Wisconsin, Madison, USA.

Seminars in Ultrasound, CT, and MR
|August 1, 1998
PubMed
Summary
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Ophthalmologists can use CT and MRI scans to diagnose systemic diseases affecting the orbit. These imaging techniques aid in treatment planning and can prevent unnecessary biopsies for orbital conditions.

Area of Science:

  • Radiology
  • Ophthalmology
  • Pathology

Background:

  • Systemic diseases can manifest in the eye and orbital adnexae.
  • Orbital imaging, including CT and MRI, is crucial for diagnosis and treatment planning.
  • Early orbital symptoms can precede systemic disease manifestations.

Purpose of the Study:

  • To review the CT and MRI findings of common systemic diseases affecting the orbit in adults.
  • To highlight features useful for clinical diagnosis and differential diagnosis.
  • To emphasize the role of imaging in guiding treatment and avoiding biopsies.

Main Methods:

  • Review of CT and MRI imaging characteristics.
  • Discussion of clinical presentations of orbital diseases.
  • Correlation of imaging findings with systemic pathological processes.

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Main Results:

  • CT and MRI are valuable tools for diagnosing orbital involvement in systemic diseases.
  • Specific imaging features can suggest conditions like Grave's disease, Wegener's granulomatosis, and sarcoidosis.
  • Idiopathic inflammatory and lymphoproliferative orbital diseases present diagnostic challenges.

Conclusions:

  • Orbital imaging plays a vital role in the early detection and management of systemic diseases.
  • Radiological assessment aids in differentiating various orbital pathologies.
  • Appropriate use of CT and MRI can optimize patient care and potentially obviate the need for invasive procedures.