Cite this page: Pernick N. Myospherulosis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/nasalmyospherulosis.html. Accessed June 17th, 2019.
Definition / general
- Iatrogenic lipogranuloma after hemostatic packing of nasal cavity or paranasal sinuses with petrolatum based ointment and gauze
- Resembles subcutaneous disease of East Africa
Microscopic (histologic) description
- Large tissue spaces with sac-like structures containing brown spherules resembling Prototheca but actually clumped red blood cells