Dear all:
From BMA clues to exclude yeasts (Histoplasma, Penillium, Crypto, other yeasts) and protozoa (Leishmania, toxoplasma, sarcocystis, microsporidia etc)
1. Ovoid shape
2. 2-3 micron in size
3. No intracellular form, just free microorganisms
4. No budding, no binary fission
5. No kinetoplast perpendicular to a nucleus inside the cells
6. Only one island of microorganism in bone marrow aspiration specimen
7. No microorganisms found in BM Bx
8. Unique feature inside each cell; this is a valuable clue!!!???!!!
Chusana