Fungal Infections + misc

Question 0

Tinea capitis treatment

3

Answer 0

oral: griseofulvin x 6-12 weeks (empiric)
terbinafine x 2-4 wks (Trichophyton)
itraconazole &/or fluconazole for resistant cases

Question 1

Tinea capitis etiology

Answer 1

Trichophyton

Question 2

Tinea corporis etiology

Answer 2

T. rubrum

Question 3

Tinea capitis risk factors

Answer 3

skin/skin transmission; fomites; occlusive clothing; humidity
wrestlers

Question 4

Tinea capitis presentation

Answer 4

Black dot (most common)
Gray patch (from a pet)
Flavus (rare)

All start with erythemous scaly lesion

Question 5

Tinea corporis presentation

Answer 5

pruritic, annular, erythemous plaque w/ central clearing and an advancing border

Question 6

Tinae corporis treatments

2

Answer 6

topical antifungals (-"azole")
systemic in special circumstances (terbinafine, fluconazole, itraconazole)

Question 7

Tinea cruris etiology

Answer 7

T. rubrum

Question 8

Tinea cruris presentation

Answer 8

well marginated, annular plaque w/scaly raised border, from inguinal fold onto inner thigh- scrotum is spared. Pruritic

Question 9

Tinea cruris treatment (4)

Answer 9

topical antifungals
oral griseofulvin (resistant cases)
*treat concurrent onychomycosis and tinea pedis
Lifestyle: talcum powder

Question 10

Tinea pedis etiology

Answer 10

T. rubrum

Question 11

Tinea pedis presentation

4 types

Answer 11

4 types:
Interdigital “athlete’s foot,” risk of secondary bacterial infection
Chronic hyperkeratotic (moccasin): soles and lateral aspect
Vesiculobullous: bloody vesicles, blister-like
Acute ulcerative

Question 12

Tinea pedis tx

Answer 12

topical x 4wks
systemic for chronic 
Burow's dressings
treat 2nd infections
lifestyle

Question 13

Tinea versicolor etiology

Answer 13

Malessezia species

Question 14

Tinea versicolor presentation

Answer 14

hyperpigmented macules and papules

Question 15

Tinea versicolor tx

Answer 15

topical ketoconazole x 2 wks
Selenium sulfide shampoo/lotion x 1 wk
Systemic: oral azoles (terbinafine and griseofulvin have no effect)
Pt. education- common recurrence

Question 16

Rosacea etiology

Answer 16

immune abn, inflammation from cutaneous microorganisms, UV damage, vascular dysfunction

Question 17

erythema of central face for months or longer

Nose, cheeks, chin, forehead

Answer 17

Rosacea

Question 18

Types of Rosacea

Answer 18

Erythematotelangiectatic
Papulopustular
Phymatous
Ocular rosacea

Question 19

Flushing, papules, pustules, telangiectasias, burning/stinging, edemas, dry appearance
can be transient

Answer 19

Rosacea

Question 20

Rosacea treatment

Answer 20

Trigger avoidance
Topicals: all kinds
Systemic: doxycycline, accutane, antifungal
Light therapy

Question 21

Lice treatment

Answer 21

topical pediculides
wet combing
pt. education

Question 22

lice timeline (hatching, maturation)

Answer 22

10 days to hatch

14 days to full maturation

Question 23

initial lesion, pathognomic burrow (path-like), pruritis, urticaria

Answer 23

Scabies

Question 24

Scabies tx

Answer 24

scabicide 2x - once initially, once 1 wk later

fomite control, education

Question 25

White macules w/ homogenous depigmentation & well-defined borders
Slowly progressive

Answer 25

Vitiligo

Question 26

chronic inflammatory skin disorder involving hair follicle

Answer 26

Hidradenitis suppurativa

Question 27

follicular occlusion –> follicular rupture –> immune response

Answer 27

Hidradenitis suppurativa

Question 28

Hidradenitis suppurativa diagnostics

Answer 28

Clinical- lesion, location, relapses, chronicity

Question 29

Inflammatory nodules, sinus tracts, comedones, scarring

Answer 29

Hidradenitis suppurativa