Microscopic appearance of yeasts
Tinea corporis (ringworm)
Tinea corporis (ringworm) in HIV infection
Molds: hyphal structure
Tinea corporis (ringworm)
Tinea pedis (athletes’ foot)
1
Tinea unguum
Tinea barbis
Tinea unguum in HIV infection
Tinea capitis under Woods’ lamp (UV light)
Tinea capitis
Tinea versicolor
2
Tinea versicolor
Disseminated sporotrichosis in AIDS
Asymptomatic pulmonary calcifications
caused by histoplasmosis
Sporotrichosis
Histoplasma capsulatum in mold and yeast forms
Chronic pulmonary histoplasmosis
3
H. Capsulatum in lung tissue
H. Capsulatum in leukocyte
C. Immitis in brain tissue
C. immitis: spherules and
Endospores
B. Dermatitidis yeasts
Cutaneous lesions of disseminated blastomycosis
4
Bone lesions in disseminated blastomycosis
Extensive tissue necrosis in disseminated
Blastomycosis
Cryptococcus neoformans: mucicarmine stain highlighting
the capsule
Cryptococcus neoformans in brain tissue (silver stain)
India ink preparation of cerebrospinal fluid showing
cryptococcus
Candida albicans (Gram stain)
5
Candida skin infection
Candida albicans pseudohypha
Candida vaginitis
Oral thrush (candida pharyngitis) in HIV infection
Retinal emboli in candida endocarditis
Embolic skin lesion in candida endocarditis
6
Aspergillus fumigatus
Cerebral infarction caused by disseminated aspergillosis
Rhizopus species (order Mucorales)
Tomogram of aspergilloma
Aspergillus in brain tissue
Mucor invading sinus tissue
7
Mucor sinusitis, orbital cellulitis,
and brain abscess in diabetes
8