Cutaneous Mycoses

Question 1

Involves keratinized layer of the skin, outgrowths of the epidermis (hair and nail)

• Keratinophilic

• Tinea or ringworm

Answer 1

CUTANEOUS MYCOSES

(DERMATOPHYTOSES)

Question 2

Macroconidia, microconidia in LPCB stain

Answer 2

Cutaneous mycoses

Question 3

large and multicellular

Answer 3

Macroconidia

Question 4

Small and unicellular

Answer 4

microconidia of cutaneous

Question 5

M. gypseum, M. canis, T. verrucosum

Answer 5

Esctothrix

Question 6

T. tonsuran (#1 Tinea capitis agent), T. violaceum

Answer 6

Endothrix

Question 7

T. tonsuran, T. schoenleinii, T. concentricum, M. audounii, T. mentagrophytes, T. rubrum, E. floccosum, T. violaceum are example of?

Answer 7

Arthropophilic of cutaneous fungi

Question 8

. canis, T. verrucosum are example of

Answer 8

Zoophilic cutaneous fungi

Question 9

✓ Macroconidia: rare, thin walled, smooth ✓ Microconidia: abundant

Answer 9

Trichophyton

Question 10

• tear drop shaped microconidia.

• Fluffy white with red color reverse

Answer 10

Trichophyton rubrum

Question 11

• Grape like cluster microconidia, spiral hyphae

• Hair penetration test (+) v shape

Answer 11

Trichophyton mentagrophytes

Question 12

• With thiamin for growth

• Balloon shape microconidia

Answer 12

Trichophyton tonsurans

Question 13

Causative agent of Black dot tinea capitis (endothrix)

Answer 13

Trichophyton tonsurans

Question 14

• no macro and microconidia

• Cause flavus (chronic hair infection)

• Favic chandelier hyphae (diagnostic)

Answer 14

Trichophyton schoenleinii

Question 15

• requires thiamin and inositol.

• clavate/pyriform microconidia

• rat tail/string bean shaped macroconidia

Answer 15

Trichophyton verrucosum

Question 16

Macroconidia: numerous thick walled, rough

Microconidia: rare

Answer 16

Microsporum

Question 17

grows on rice medium, spindle shape/fusiform macroconidia, fluoresce on UV light.

Answer 17

Microsporum canis

Question 18

• geophilic, do not flouresce on UVL
• oblong macroconidia

Answer 18

Microsporum gypseum

Question 19

• Anthrophophilic

• Tinea capitis (old) agent (Gray patch tinea) (ectothrix)

Answer 19

Microsporum audouinii

Question 20

✓ Macroconidia: numerous smooth walled
✓ Microconidia: absentrmophyton

Answer 20

Epidermophyton

Question 21

• Club shaped macroconidia

• Dutch pants fuseaux

• Treatment: azoles, griseofulvin

Answer 21

Epidermophyton flocossum