MR findings of the orbit in patients with Vogt-Koyanagi-Harada disease

Neuroradiology
Tomohiro AndoMasayuki Matsuo

Abstract

We aimed to evaluate the MR findings of the orbit in patients with Vogt-Koyanagi-Harada disease (VKHD). We included 14 patients with clinically diagnosed VKHD, who underwent orbital MR imaging before treatment between May 2011 and August 2017. The mean duration from initial symptom onset to MR imaging was 16 days (range, 2-36 days). Fat-suppressed gadolinium-enhanced T1-weighted images were obtained in six patients. We retrospectively assessed the choroids and Tenon's capsules for the presence of thickening on unenhanced images and abnormal enhancement on contrast-enhanced images. Bilateral choroidal thickening was observed in 14 patients (100%) on T1-weighted images and in 12 patients (85.7%) on T2-weighted images. Choroidal thickening showed posterior pole predominance in 11 patients (78.6%) and diffusely distributed in the remaining three patients (21.4%). Bilateral Tenon's capsule thickening was observed in five patients (35.7%) on T1-weighted images and in 14 patients (100%) on T2-weighted images. On contrast-enhanced images, the choroids and Tenon's capsules were abnormally enhanced in six patients (100%). MR imaging sensitively detected abnormalities of the choroids and Tenon's capsules in patients with VKHD. Bilateralit...Continue Reading

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