Uveal Effusion Syndrome Due to WNT10A Mutation.

Purpose: Uveal effusion syndrome (UES) is an exudative detachment of ciliary body, retina and choroid. Various underlying causes leads to UES-like drugs (topiramate), inflammation and hypotony. Wnt gene involvement has never been associated with UES. We report a case of bilateral UES being misdiagnosed as Vogt-Koyanagi-Harada syndrome (VKH), with Wnt gene dysfunction as the underlying trigger.

Observations: A 32-year-old male presented with diminution of vision in his left eye. He was found to have choroidal detachment with retinal detachment in his left eye. Choroidal detachment was noted in the right eye. Various ocular imaging including fundus fluorescein angiography and ocular coherence tomography was done. He was misdiagnosed as a case of VKH syndrome, for which he was treated with systemic immunomodulatory therapy. However, a subclinical response was made to revisit the diagnosis. Ultrasound biomicroscopy showed supraciliary effusion. Systemic and genetic evaluation led to the detection of Wnt10A pathway mutation.

Conclusions: UES is an entity of diagnostic challenge. Careful and thorough systemic evaluation is required to clinch the diagnosis. We reported the first case of bilateral UES recalcitrant to corticosteroids, with Wnt10A gene mutation.