Diagnosis

Question 1

Green fluorescence in Woods Lamp

Answer 1

Dermatophytoses (the tineas)

Question 2

Spaghetti and meatballs on KOH preparation

Answer 2

Malassezia furfur (tinea versicolor)

Question 3

Spherules with endospores

Answer 3

Coccidioides immitis, valley fever

Question 4

Budding yeasts inside macrophages

Answer 4

Histoplasma capsulatum

Question 5

Round yeast with broad based bud, figure of 8, snowman appearance

Answer 5

Blastomyces dermatitidis, mcc of fungal pneumonia

Question 6

Thick yeasts with multiple buds in wheel configuration, mariner’s wheel, pirate’s wheel, mickey mouse appearance

Answer 6

Paracoccidioides brasiliensis

Question 7

Psuedohyphae
Germ tubes in serum
Chlamydo-spores in culture

Answer 7

Candida albicans

Question 8

Oval yeast bud with narrow-based bud surrounded by a wide polysaccharide capsule seen in INDIA INK PREPARATION

Answer 8

Cryptococcus neoformans

Question 9

Exist only as molds

Septate hyphae that form dichotomous (V-shaped) branches at ACUTE ANGLES

Answer 9

Aspergillus fumigatus

Question 10

Saprophytic molds with nonseptate hyphae without walls and branches at RIGHT ANGLES

Answer 10

Mucormycosis

Rhizopus oryzae and mucor spp.

Question 11

Staining of BAL washings with TOLUIDINE BLUE and METHENAMINE SILVER STAIN, revealing HAT-SHAPED CELLS

Answer 11

Pneumocystis jiroveci