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High-Resolution Computed Tomographic Approach

Pierre Bec, MD; Philippe Adam, MD; André Mathis, MD; Yves Alberge, MD; Jean Roulleau, MD; Jean Louis Arne, MD

Arch Ophthalmol. 1984;102(5):680-682.

Abstract
• Optic nerve head drusen are rare, inherited concretions, which are almost always calcified; their appearance must be known because they represent one of the major causes of pseudopapilledema. The computed tomographic (CT) scan can show small and buried drusen, which are sometimes difficult to diagnose by the ophthalmoscopic examination. Four cases of drusen (two bilateral and two unilateral) were confirmed or diagnosed by high-resolution CT. The CT appearance of drusen is characteristic because the calcifications are well defined, punctate, and strictly located in the optic disc. The use of high-resolution CT scanners is very helpful.

Author Affiliations
From the Departments of Ophthalmology (Drs Bee and Mathis) and Neuroradiology (Drs Adam, Alberge, and Roulleau), Centre Hospitalier Universitaire Rangueil, and the Department of Ophthalmology (Dr Arne), Centre Hospitalier Universitaire Purpan, Toulouse, France.

Footnotes
Accepted for publication Oct 13, 1983.

Reprint requests to Department of Ophthalmology, CHU Rangueil, 31054 Toulouse Cedex, France (Dr Bec).

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ABSTRACT