Dermatology Fungal Infections And Infestations

Front 1

Dermatophytes

Back 1

Deep and opportunistic affect the internal organs and the dermis
Superficial affects the stratum corneum, hair and nails

Front 2

Yeast examples

Back 2

Candida albicans, pityrosporum ovale/orbicularis, malassezia furfur

Front 3

Superficial fungal infections

Back 3

invade stratum corneum, hair and nails

Front 4

Subcutaneus fungal infections

Back 4

involve dermis or subcutaneous tissue, often due to implantation

Front 5

Systemic fingal infections

Back 5

Dermal or subcutaneous involvement
Deep (true pathogens)
Opportunistic - immunocompromised host

Front 6

Tinea unguium affects

Back 6

nail

Front 7

tinea cruris affects

Back 7

groin

Front 8

Tinea corporis affects

Back 8

body

Front 9

tinea manuum affects

Back 9

hand

Front 10

tinea barbae affects

Back 10

beard

Front 11

tinea facici affects

Back 11

face

Front 12

tinea capitis affects

Back 12

scalp hair/head

Front 13

Tinea Pedis - what is it, how does it present?

Back 13

Athletes foot
dry, pruritic, scaling between the toes (4th & 5th)

Front 14

What is macerated tinea pedis?

Back 14

white, soggy between 4th and 5th toes

Front 15

What is moccasin tinea pedis

Back 15

erythema, fine scaling over the entire sole of the foot

Front 16

What is inflammatory tinea pedis

Back 16

pruritic vesicles and blisters, usually the plantar instep

Front 17

Dry tinea pedis treatment

Back 17

topical anitfungal

Front 18

Macerated tinea pedis

Back 18

Aluminum chloride, systemic and topical antifungal

Front 19

Tinea Unguium - Characteristics

Back 19

Onychomycosis (nail bed infection). If isolated nail, think trauma
Will be seen with toenail and plantar foot involvement
"two hand, one foot disease"

Front 20

Tinea Unguium - Clinical presentation

Back 20

Onycholysis (separation of nail plate from nail bed), crumbled nail plate, subungual debris, crumbled nail plate

Front 21

Tinea Unguium - Three types

Back 21

distal subungual - most common
proximal subungual - direct invasion under the proximal nail fold (immunocompromised host)
White superficial - direct invasion into the superficial nail plate

Front 22

Tinea Unguium - Treatment

Back 22

Topicals not effective, requires systemic antifungal

Front 23

Tinea manuum - clinical presenations

Back 23

erythema and fine scale
usually one hand two feet, if feet not involved, rethink dx
fingernails of affected hand should not be involved

Front 24

Tinea manuum - treatment

Back 24

topical if only skin involved
systemic if nails involved

Front 25

Tinea cruris - clinical presentation

Back 25

Jock Itch
Inguinal crease and upper, inner thigh, does NOT involve penis or scrotum (distinguishes it from candida)
Rare in women

Front 26

Tinea cruris - Treatment

Back 26

topical until clear
also threat feet
if toenails involved, use a systemic

Front 27

Tinea corporis - Clinical presentation

Back 27

Ringworm
Annular patch with distinctive raised red scaling, snake-like border, clearing areas in the center

Front 28

Tinea corporis - most common organism

Back 28

Trichophyton tonsurans

Front 29

Fungal infections - KOH?

Back 29

"if it scales, scrape it"

Front 30

Tinea Corporis - treatment

Back 30

if superficial - topical
if majocchi's granuloma - systemic rqrd

Front 31

Tinea corporis - majocchi's granuloma

Back 31

appears inflammed
raised, red plaque studded with perifollicular pustules
distal 1/3 posterior leg in women with tinea pedis, rare in men