Rhinosporidiosis | Figure 4.34
A: Mucormycosis
(Courtesy of Dr. Paul Getz)
B: Rhinosporidiosis*
C: Rhinosporidiosis*
*Reproduced with permission
from: Kumari R, Laxmisha C,
Thappa, DM. Disseminated
cutaneous rhinosporidiosis.
Dermatol Online J.
Mar 2005;11 (1) :19
D: Protothecosis
(Courtesy of Sandra Arduin,
Michigan Department of
Community Health) |
(Figure 4.34B, C) - Rhinosporidium seeberi, found mainly in India, Sri Lanka, and Africa; long thought to be fungus but later found to be aquatic protozoan
- Presents after local traumatic inoculation as painless papules involving mainly nasal mucosa → hyperplastic red friable (raspberry-like) polyps
- Histology: characteristic giant sporangia (up to 500 µm) with thousands of endospores; spherules stain with mucicarmine
- Culture: unable to culture
- Treatment: surgical excision
|
