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Updated: May 28, 2026

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Published on: October 12, 2012
Rhinosporidiosis: cutaneous manifestation
Andrelou Fralete Ayres Vallarelli1, Silvânia Pinheiro Rosa, Elemir Macedo de Souza
1University of Campinas, Sao Paulo, Brazil. andrelou@uol.com.br
Abstract:
Rhinosporidiosis is an infectious mucocutaneous disease caused by Rhinosporidium seeberi. It is characterized by sessile or pedunculated polyps which are erythematous, moriform and friable and which mainly affect the ocular and nasal mucosa. The occurrence of skin lesions is occasional and due to dissemination from the adjacent mucosa, direct inoculation or hematogenous dissemination. The authors report the clinical case of an eight-year-old boy with an isolated lesion located in the medial epicanthus of the right eye.
Insights
Rhinosporidiosis, a mucocutaneous infection caused by Rhinosporidium seeberi, typically affects the eyes and nose. This case highlights an unusual isolated skin lesion in a child, emphasizing rare presentations of this disease.
Area of Science:
- Ophthalmology
- Infectious Diseases
- Mycology
Background:
- Rhinosporidiosis is a chronic granulomatous disease caused by the aquatic fungus-like organism Rhinosporidium seeberi.
- It predominantly affects the nasal mucosa and ocular tissues, presenting as friable, erythematous polyps.
- While mucocutaneous involvement is common, isolated skin lesions are infrequent, suggesting diverse routes of dissemination.
Observation:
- A clinical case of an eight-year-old boy with Rhinosporidiosis is presented.
- The patient exhibited an isolated, singular lesion.
- The lesion was specifically located in the medial epicanthus of the right eye.
Findings:
- The case demonstrates an atypical, isolated presentation of Rhinosporidiosis.
- The ocular lesion in the medial epicanthus represents a rare manifestation of the disease.
- This finding underscores the potential for varied clinical expressions of Rhinosporidiosis beyond typical mucosal sites.
Implications:
- This case expands the understanding of Rhinosporidiosis clinical spectrum.
- Early recognition of unusual presentations is crucial for timely diagnosis and treatment.
- Further research into the pathogenesis of isolated cutaneous Rhinosporidiosis may be warranted.
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