Nodular posterior scleritis - The great masquerader.

We aim to report the management of a patient who presented with a choroidal mass masquerading as an amelanotic choroidal melanoma. A 57-year-old male presented with defective vision in his right eye, which was associated with mild periocular pain. Fundus examination showed a large dome-shaped yellowish-orange subretinal mass in the macular region and exudative retinal detachment (RD). Magnetic resonance imaging (MRI) showed a 16 mm × 8 mm choroidal mass, which was hyperintense on T1-weighted images and hypointense on T2-weighted images. B-scan ultrasonography revealed a dome-shaped mass with homogeneous echogenicity, inferior RD, and fluid collection in the sub-Tenon space. There was no choroidal excavation. He was diagnosed as nodular posterior scleritis (NPS) with exudative RD in the right eye. The lesion regressed completely after treatment with oral steroids. Choroidal mass can pose a diagnostic dilemma to ophthalmologists. Atypical MRI features can further augment the confusion. Despite its low incidence, NPS should always be kept as a differential in the presence of an amelanotic choroidal mass. Copyright: © 2021 Taiwan Journal of Ophthalmology.

Citation

Naresh Babu, Karthik Kumar, Anubhav Upadhayay, Piyush Kohli. Nodular posterior scleritis - The great masquerader. Taiwan journal of ophthalmology. 2021 Oct-Dec;11(4):408-412

PMID: 35070674

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