Superficial Mycoses

Question 1

What are the common superficial mycoses?

Answer 1

– PITYRIASIS VERSICOLOR
– TINEA NIGRA
– PIEDRA
– SUPERFICIAL INFECTIONS BY CANDIDA

Question 2

Common tinea in children?

Answer 2

Tinea Capitus
A single round patch of alopecia with scaling (microsporic).
ALSO - Multiple small patches , mimicking seborrheic dermatitis (trichosporic)

Question 3

Scaling and alopecia of scalp, common cause?

Answer 3

Tinea

Question 4

Rx of Tinea capitis?

Answer 4

Griseofulvin or Terbinafine orally
Not topical

Question 5

Common syndromes and causes of Tinea causing ringworm? Rx?

Answer 5

Tinea barbae
Tinea faciei (face)
Tinea corporis (body)
Tinea cruris (groin)
Tinea pedis (feet)

Can use oral OR TOPICAL

M. canis (from cats and dogs).
M. gypseum (from soil)

Question 6

What is this?

Answer 6

Tinea
Well demarcated border, can be inflammatory

Question 7

Cause of onochomycosis?

Answer 7

Mostly T.rubrum, but also Candida and molds

Question 8

Diagnosis, and what must you think of?

Answer 8

Proximal onychomycosis
HIV

Question 9

Onychomycosis on hands most likely organism?

Answer 9

Candida - hands and children

Question 10

Pus around nail - 2 differentials?

Answer 10

Candida albicans
Staph aureus

Question 11

Round hyper or hypopigmented macules on chest and back. Related to sweat. ∆?

Answer 11

Pityriasis versicolor

Question 12

Causes of pityriasis?

Answer 12

Malassezia furfur. M globosa and M sympodialis

Question 13

What is this?

Answer 13

Pityriasis versicolor

Question 14

Confirmation of diagnosis of superficial mycosis?

Answer 14

KOH stain and culture

Question 15

Chronic tinea pedis with nail involvement Rx?

Answer 15

Itraconazole or terbinafine

Question 16

Chronic infection Rx?

Answer 16

Azole - orally

Question 17

Topical Rx can be given to who?

Answer 17

acute infections such as tinea
interdigitalis, tinea cruris, or tinea corporis