Presumed reactivation of herpes simplex virus-associated endothelial keratitis after treatment with topical interferon-α 2b for ocular surface squamous neoplasia

Abstract Background To report a case of herpes simplex virus (HSV)-associated endothelial keratitis in a patient receiving topical interferon (IFN)-α 2b for the management of ocular surface squamous neoplasia (OSSN). Case presentation A 65-year-old female was diagnosed with OSSN characterized by gel...

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Main Authors: Sepehr Feizi, Mohsen Zare, Hamed Esfandiari
Format: Article
Language:English
Published: BMC 2025-04-01
Series:BMC Ophthalmology
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Online Access:https://doi.org/10.1186/s12886-025-04039-2
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author Sepehr Feizi
Mohsen Zare
Hamed Esfandiari
author_facet Sepehr Feizi
Mohsen Zare
Hamed Esfandiari
author_sort Sepehr Feizi
collection DOAJ
description Abstract Background To report a case of herpes simplex virus (HSV)-associated endothelial keratitis in a patient receiving topical interferon (IFN)-α 2b for the management of ocular surface squamous neoplasia (OSSN). Case presentation A 65-year-old female was diagnosed with OSSN characterized by gelatinous growth on the left cornea, without conjunctival involvement. She had no history of herpetic keratitis. The patient was treated with topical IFN-α 2b 1 million IU/ml four times daily, leading to complete clinical resolution of the OSSN within three months. However, four months after initiating treatment, while still on the medication, she presented with decreased visual acuity, ocular injection, and pain in the left eye. Slit-lamp examination revealed central corneal stromal edema, infiltration, and keratic precipitates. A diagnosis of HSV endotheliitis was made, and IFN-α 2b was discontinued. The patient was treated with topical betamethasone 0.1% six times daily and oral acyclovir 400 mg five times daily, resulting in complete resolution of the disciform keratitis within three weeks. There has been no recurrence of herpetic infection or OSSN during 10 months of follow-up after discontinuing all medications. Conclusion Ophthalmologists should be alert to the possibility of recurrent herpetic keratitis in patients treated with IFN-α 2b for OSSN who present with sudden visual decline.
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spelling doaj-art-0b193b7c93c5414b988366f9ef3cfcb02025-08-20T02:17:09ZengBMCBMC Ophthalmology1471-24152025-04-012511410.1186/s12886-025-04039-2Presumed reactivation of herpes simplex virus-associated endothelial keratitis after treatment with topical interferon-α 2b for ocular surface squamous neoplasiaSepehr Feizi0Mohsen Zare1Hamed Esfandiari2Ocular Tissue Engineering Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical SciencesOcular Tissue Engineering Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical SciencesOcular Tissue Engineering Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical SciencesAbstract Background To report a case of herpes simplex virus (HSV)-associated endothelial keratitis in a patient receiving topical interferon (IFN)-α 2b for the management of ocular surface squamous neoplasia (OSSN). Case presentation A 65-year-old female was diagnosed with OSSN characterized by gelatinous growth on the left cornea, without conjunctival involvement. She had no history of herpetic keratitis. The patient was treated with topical IFN-α 2b 1 million IU/ml four times daily, leading to complete clinical resolution of the OSSN within three months. However, four months after initiating treatment, while still on the medication, she presented with decreased visual acuity, ocular injection, and pain in the left eye. Slit-lamp examination revealed central corneal stromal edema, infiltration, and keratic precipitates. A diagnosis of HSV endotheliitis was made, and IFN-α 2b was discontinued. The patient was treated with topical betamethasone 0.1% six times daily and oral acyclovir 400 mg five times daily, resulting in complete resolution of the disciform keratitis within three weeks. There has been no recurrence of herpetic infection or OSSN during 10 months of follow-up after discontinuing all medications. Conclusion Ophthalmologists should be alert to the possibility of recurrent herpetic keratitis in patients treated with IFN-α 2b for OSSN who present with sudden visual decline.https://doi.org/10.1186/s12886-025-04039-2Ocular surface squamous neoplasiaTopical interferon-α 2bHerpes simplex virus-associated endothelial keratitis
spellingShingle Sepehr Feizi
Mohsen Zare
Hamed Esfandiari
Presumed reactivation of herpes simplex virus-associated endothelial keratitis after treatment with topical interferon-α 2b for ocular surface squamous neoplasia
BMC Ophthalmology
Ocular surface squamous neoplasia
Topical interferon-α 2b
Herpes simplex virus-associated endothelial keratitis
title Presumed reactivation of herpes simplex virus-associated endothelial keratitis after treatment with topical interferon-α 2b for ocular surface squamous neoplasia
title_full Presumed reactivation of herpes simplex virus-associated endothelial keratitis after treatment with topical interferon-α 2b for ocular surface squamous neoplasia
title_fullStr Presumed reactivation of herpes simplex virus-associated endothelial keratitis after treatment with topical interferon-α 2b for ocular surface squamous neoplasia
title_full_unstemmed Presumed reactivation of herpes simplex virus-associated endothelial keratitis after treatment with topical interferon-α 2b for ocular surface squamous neoplasia
title_short Presumed reactivation of herpes simplex virus-associated endothelial keratitis after treatment with topical interferon-α 2b for ocular surface squamous neoplasia
title_sort presumed reactivation of herpes simplex virus associated endothelial keratitis after treatment with topical interferon α 2b for ocular surface squamous neoplasia
topic Ocular surface squamous neoplasia
Topical interferon-α 2b
Herpes simplex virus-associated endothelial keratitis
url https://doi.org/10.1186/s12886-025-04039-2
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AT mohsenzare presumedreactivationofherpessimplexvirusassociatedendothelialkeratitisaftertreatmentwithtopicalinterferona2bforocularsurfacesquamousneoplasia
AT hamedesfandiari presumedreactivationofherpessimplexvirusassociatedendothelialkeratitisaftertreatmentwithtopicalinterferona2bforocularsurfacesquamousneoplasia