Superficial Mycise

Question 1

Causative agent of ptyriasis (tinea) versicolor hypo (An-an) or hyperpigmentation of the skin

Answer 1

Malasezia furfur

Question 2

• KOH: budding yeast cells and hyphae

• Spaghetti and meatballs (PAS)

• Needs lipids: (+) SDA with olive oil

Answer 2

Malassezia furfur

Question 3

Superficial hair infection with nodular masses of fungal elements surrounding the hair shaft.

Answer 3

Piedra agent

Question 4

• Black colony, hard

• Black nodule

• Ascospore

Answer 4

Black piedra

Question 5

Causative agent of black piedra

Answer 5

Piedra hortai

Question 6

• Cream colony, soft Piedra White, cream to light brown module

• Arthrospore

Answer 6

White piedra

Question 7

Causative agent of white piedra

Answer 7

Trichosporon beigelii

Question 8

brownish spot, dark pigmentation – may be mistaken as melanoma

Answer 8

Tinea nigra palmaris

Question 9

Causative agent of tinea nigra

Answer 9

Phaeoannelomyces werneckii/ Hortaea

werneckii/ Exophiala werneckii/

Cladosporium werneckii

Question 10

moist, shiny black and yeast like colonies

Answer 10

Dematicaeous exophiala werneckii