Lymph node cytology
Mycobacterium avium
Cervical lymphadenopathy in an HIV+ pt.
Microscopically, Mycobacterium avium-intracellulare infection is marked by numerous acid fast organisms growing within macrophages. Lots of bright red rods are seen, particularly in macrophages, in this acid fast stain of lymph node.
Cryptococcus neoformans
Yeasts of varying size with narrow based budding
Thick polysaccharide capsule