Unilateral choroidal neovascular membrane as a herald lesion for Crohn's disease.

Crohn's disease is a diffuse inflammatory disease primarily affecting the gastrointestinal tract but with associated ophthalmologic complications that often appear after the initial diagnosis. The authors report a case in which the appearance of a choroidal neovascular membrane prior to the final diagnosis of Crohn's disease suggests its role as an advance lesion heralding an inflammatory state. A 13-year-old boy was referred for evaluation of a clinically isolated, unilateral choroidal neovascular membrane, which stabilized after treatment with intravitreal bevacizumab.