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Conjunctival lesion caused by Rhinosporidium seeberi
Abstract:
We have described the first known reported case of rhinosporidiosis from the state of South Carolina and possibly the ninth reported conjunctival infection in the United States. Differential diagnosis of focal lesions on the conjunctiva, eyelid, or sclera includes cystic inclusions or adenoma of the various glandular structures, pterygium, pedunculated granuloma due to retained foreign body, or end-stage chalazion. Histopathologic differential diagnosis includes spherules of Coccidioides immitis.
Insights
This study reports the first case of rhinosporidiosis in South Carolina, a rare conjunctival infection in the United States. Early diagnosis and differentiation from other eye lesions are crucial for effective management.
Area of Science:
- Ophthalmology
- Infectious Diseases
- Mycology
Background:
- Rhinosporidiosis is a chronic granulomatous disease caused by the fungus Rhinosporidium seeberi.
- Conjunctival infections are rare, with limited reported cases in the United States.
- Accurate diagnosis of ocular lesions requires careful differential consideration.
Observation:
- A case of rhinosporidiosis affecting the conjunctiva is described.
- This represents the first reported instance of this infection in South Carolina.
- It is potentially the ninth conjunctival case documented in the U.S.
Findings:
- The clinical presentation of conjunctival rhinosporidiosis can mimic other ocular conditions.
- Differential diagnoses include cystic inclusions, adenomas, pterygium, granulomas, and chalazia.
- Histopathologic examination must rule out fungal infections like Coccidioides immitis.
Implications:
- Highlights the importance of considering rare infectious etiologies for conjunctival lesions.
- Emphasizes the need for increased awareness of rhinosporidiosis in clinical practice.
- Contributes to the understanding of the geographic distribution and clinical spectrum of this fungal infection.