Abraham Hang, Jonathan Ruiz, Susanna S Park, Natalie A Homer, Esther Kim, Kareem Moussa

Fungal Endophthalmitis Masquerading as Sympathetic Ophthalmia

  • Ophthalmology
  • General Medicine
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Abstract Purpose: To describe the ocular pathology of a patient with fungal endophthalmitis with features mimicking sympathetic ophthalmia. Methods: Review of medical records and histopathology of a single patient. Results: A 72-year-old male who sustained penetrating injury to the left eye with an agave plant presented to our clinic 16 months after the initial injury. Prior to presentation, the patient had developed endophthalmitis and had undergone anterior chamber washout, vitrectomy, and intravitreal steroids, antibiotics, antifungals, and anti-vascular endothelial growth factor (VEGF) therapy. At presentation, the patient had a blind, painful eye and subsequently underwent enucleation. Histopathology demonstrated granulomatous inflammation with multinucleated giant cells in the iris and Dalen Fuchs nodules with CD68 positive epithelioid histiocytes associated with the retinal pigment epithelium (RPE) sparing the choriocapillaris. These findings were initially attributed to sympathetic ophthalmia. The fellow eye did not have any signs of inflammation, and additional fungal PAS stains were positive for filamentous fungal elements, leading to a diagnosis of fungal endophthalmitis. Conclusions: Fungal endophthalmitis may develop histopathologic features that are similar to those seen in sympathetic ophthalmia. Recognition of the overlap between the histopathologic features of these diseases may reduce the possibility of misdiagnosis and unnecessary treatment of the fellow eye.

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