Fungi Part 2

Question 1

tinea gladiatorum

Answer 1

t. tonsurans

Question 2

majocchi’s granuloma

Answer 2

fungal folliculitis

t. rubrum, t. mentagrophytes infecting hair follicles

Question 3

tinea incongnito

Answer 3

lack advancing border. KOH often neg

Question 4

tinea imbricata

Answer 4

t. concentricum
south pacific
concentric annular rings look like roof shingles
r/o erythema gyratum repens

Question 5

tinea cruris

Answer 5

jock itch
t. rubrum. more severe - t. mentagrophytes
treat concomitant tinea pedis
scrotum spared

Question 6

tinea pedis

Answer 6

t. rubrum, t. mentagrophytes (interdigitale), e. floccosum (moccasin, interdigitale)
moccasin
interdigital
inflammatory/vesicular
ulcerative
102...

Question 7

tinea manum

Answer 7

dry, scaly erythema of hands (usually non-inflam)
2 feet 1 hand
t rubrum
non-dermatophyte - scytalidium dimidiatum

Question 8

onychomycosis (tinea unguium)

Answer 8

t. rubrum (also t. mentagrophytes, e. floccosum)
distal/lateral subungual - MC hyponychium
white superficial - t. mentagrophytes (t. rubrum in HIV)
proximal subungual - t. rubrum. invasion of prox nail, indicative of HIV/immunocomp
candida - kids <3yo

Question 9

black onychomycosis

Answer 9

scytalidium dimidatum

Question 10

scopulariopsis brevicaulis

Answer 10

onychomycosis starts at lat edge of nail

cheesy subungual debris…118

Question 11

nattrassia mangiferae

Answer 11

118

Question 12

DDx

Answer 12

126

Question 13

Candidiasis pseudonym? presentation?

Answer 13

aka Moniliasis

grows in areas of high pH and moisture

Question 14

median rhomboid glossitis

Answer 14

tender glistening rhomboid patch on tongue

candidal thrush

Question 15

perleche

Answer 15

aka angular cheilitis
candida. also s. aureus
due to atrophy of alveolar ridges, dentures don’t fit
mother-of pearl bluish white at lateral edges later

Question 16

txt for candida glabrata vaginits

Answer 16

seen in immunocompromised
resistant to azoles
txt w/ boric acid, amphoteracin B

Question 17

candidal intertrigo txt

Answer 17

castellani’s paint = phenol, resorcinol, basic fuchsine, boric acid & acetone
topical anticandidal cream w/ mid-pot steroid

Question 18

diaper candidiasis txt

Answer 18

topical anti-candidal & zinc oxide

can add oral nystatin to treat GI

Question 19

congenital candidiasis

Answer 19

at birth - 6d. in utero infection
widespread - face, trunk, extremities, nails. diaper area spared
erythema then pustules and desquamation
risks: foreign body in cervix, prematurity, maternal h/o candidiasis, infants given abx
txt: IV antifungal if suspect systemic (r/o w/ cxs), topicals otherwise

Question 20

neonatal candidiasis

Answer 20

after first week of life
infected during delivery or postnatally
primarily involves diaper region & oral mucosa

Question 21

candidal infection of 3rd webspace

Answer 21

erosio interdigitalis blastomycetica

cx to distinguish from tinea manum

Question 22

candidiasis KOH and cx

Answer 22

chlamydospores & pseudohyphae

cx on Sabouraud glucose agar

Question 23

chronic mucocutaneous candidiasis

Answer 23

onset < 6yo
onset in adults - thymoma
…149

Question 24

granuloma gluteale infantum

Answer 24

reactive - irritant contact derm in anogenital
infants, incontinent adults
risks: occlusion, topical steroids, candida…154

Question 25

geotrichosis

Answer 25

156