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Case Reports
. 1986 May;96(5):542-8.
doi: 10.1288/00005537-198605000-00014.

Magnetic resonance imaging and computerized tomography in malignant external otitis

S G Gherini, D E Brackmann, W G Bradley
Case Reports

Magnetic resonance imaging and computerized tomography in malignant external otitis

S G Gherini et al. Laryngoscope. 1986 May.

Abstract

In malignant external otitis (MEO), determining the anatomic extent of disease and evaluating the physiologic response to therapy remain a problem. Magnetic resonance imaging (MRI) has recently become available in limited clinical settings. Four patients with MEO were evaluated using MRI, computerized tomography (CT), technetium-99 (Tc-99) bone scanning, and gallium-67 citrate (Ga-67 citrate) scanning. MRI is superior to CT, Tc-99 bone scanning, and Ga-67 citrate scanning in evaluating the anatomic extent of soft tissue changes in MEO. MRI alone cannot be relied upon to determine the physiologic response to therapy. MRI can, however, serve as a valuable guide to the interpretation of Tc-99 bone and Ga-67 citrate scans, and in this respect, MRI is extremely useful in the treatment of MEO.

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