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Presumed retinal pericapillary astrocytic hamartoma: multimodal imaging findings of a novel hamartomatous lesion

Abstract

Purpose To describe the multimodal imaging findings of retinal lesions that clinically resemble retinal astrocytic hamartomas (RAHs), but also have unique characteristics that we believe represent a novel variant.

Methods Observational study. Five eyes in five patients with solitary retinal lesion evaluated at the retina division of three institutions. We describe the multimodal imaging findings including fundus photography, fundus autofluorescence, fluorescein angiography, spectral-domain optical coherence tomography (OCT), swept-source OCT, swept-source OCT angiography and ultrasonography.

Results The retinal lesions described shared similar appearance to RAHs but demonstrated unique features such as glistening granular appearance on fundus photographs with perivascular hyperreflectivity with OCT and OCT angiography.

Conclusion The lesions described herein appear to have unique characteristics that warrant a designation as a novel RAH variant. The name presumed retinal pericapillary astrocytic hamartoma is suggested.

  • Imaging
  • Retina

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