By Gary M. White, MD
Rhinosporidiosis is a chronic granulomatous condition caused by the pathogen Rhinosporidium seeberi.
- The most common presentation is a polypoid lesion in the nasal cavity.
- Modes of infection include autoinoculation (from say a nasal lesion), hematogenous spread, and direct inoculation of the organism in traumatized skin.
Cutaneous lesions in rhinosporidiosis are rare, but have been reported as pedunculated or sessile growths, verruca vulgaris like lesions, non-healing ulcers, friable nodular lesions, subcutaneous swellings, furunculoid lesions, cutaneous horn, shiny globular swellings, cutaneous ulceration, and cystic swellings [Indian J Dermatol 2016;61:209-12].
Surgical removal is the treatment of choice. Rhinosporidiosis has been medically managed with dapsone which is believed to arrest the maturation of the sporangia and induce fibrosis in the stroma.
Multiple great photos. Indian J Dermatol 2016;61:209-12]
Strawberry-shaped lesion on the chest: cutaneous rhinosporidiosis. Indian Dermatol Online J 2014;5, Suppl S2:125-7
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