dermatology

Question 1

stuck on appearance

Answer 1

seborrhoeic keratosis/basal cell papilloma

Question 2

lesser trelat sign

Answer 2

eruption seborrhoeic keratosis suggesting internal malignancy

Question 3

patch test

Answer 3

contact allergic dermatitis

Question 4

skin fraily/blisters increased hair growth

Answer 4

porphyria cutanea tarda

Question 5

silver scales, extensors, well defined, munroe microabsess, auspitz sign

Answer 5

psoriasis

Question 6

irregular sawtooth acanthosis

Answer 6

lichen planus

Question 7

wickhan striae, cytoid boies

Answer 7

lichen planus

Question 8

nickolskys sign +ve, flacid blisters, errosions, mucosal involvement

Answer 8

pemphigus vulgaris

Question 9

chicken wire IgG in epidermis on histology

Answer 9

pemphigus vulgaris

Question 10

linear IgG at basement membrane on histology

Answer 10

bullous pemphigoid

Question 11

large tense vesicles itchy, dont burst, Nikolskys -ve

Answer 11

bullous pemphigoid

Question 12

coeliac disease, ttga +ve

Answer 12

dermatitis herpetiform

Question 13

papillary dermal microabessesses

Answer 13

dermatitis herpetiform

Question 14

patchy granular IgA

Answer 14

dermatitis herpetiform

Question 15

recurrent facial flushing

Answer 15

rosacea

Question 16

honey coloured crust

Answer 16

impetigo

Question 17

severe pain worse than visible signs

Answer 17

necrotising fasciitis: group B strep

Question 18

varicella

Answer 18

chicken pox

Question 19

dermatomal distribution

Answer 19

shingles: VZV

Question 20

deafness, vertigo, tinnitus

Answer 20

Ramsay Hunt Syndrome

Question 21

shingles >4ws

Answer 21

post herpetic neuralgia

Question 22

trigeminal distribution shingles

Answer 22

opthalmic zoster

Question 23

erythema nodosum

Answer 23

sarcoidosis

Question 24

small umbilicated translucent papules, solid

Answer 24

molluscum contagiosum

Question 25

kaposi's sarcoma

Answer 25

HIV

Question 26

firm fleshy nodule, yellow periphery, red centre, hand of sheep farmer

Answer 26

orf

Question 27

monomorphic punched out lesion on buttocks

Answer 27

eczema herpeticum: herpes simplex virus, emergency tx: acyclovir

Question 28

target lesion bullseye rash

Answer 28

erythema multiforme

Question 29

blistering rash back of mouth

Answer 29

herpangia: enterovirus/coxsackie

Question 30

rash + acute arthritis

Answer 30

parvovirus B19

Question 31

intense erythema on chest, prox limbs children

Answer 31

slapped cheek, parvovirus B19

Question 32

erythematous bullseye lesions

Answer 32

lymes disease ; b. burgdofeli, erythema migrans

Question 33

chancre, snail track ulcers, rash on palms and soles

Answer 33

syphyllis: treponema pallidum

Question 34

lip lick chellitis

Answer 34

contact irritant dermatiits

Question 35

spongiosis

Answer 35

eczema

Question 36

fillagrin mutation, no granular layer, fish like scale

Answer 36

ichthyosis vulgaris

Question 37

heliotropic rash, scale on knuckles

Answer 37

dermatomyositis

Question 38

periungual fibromata, infant seizures, ash leaf macule, shagreen patches, enamel pitting, hamartoma, angiofibroma

Answer 38

tuberous sclerosis TSC1: Ch 16 hamartin TSC2: Ch 9 tuberin

Question 39

childhood onset BCC

Answer 39

gorlins syndrome AD PTCH1 gene, palmar pits, jaw cysts, calcification falx, medulloblastoma, fibromas

Question 40

widespread blisters, skin shedding on slight handling

Answer 40

epidermolysis bullosa

Question 41

cafe au lait macules, axillary freckling, lisch nodules, optic glioma

Answer 41

neurofibromatosis 1 AD

Question 42

cheesy keratin, cyst swelling

Answer 42

epidermoid cysts

Question 43

histocytoma, trauma insect bite on leg peripheral ring nodule

Answer 43

dermatofibroma

Question 44

picket fenced border, pearly rolled edge, central ulceration, telangectiasia

Answer 44

BCC

Question 45

rodent ulcer

Answer 45

nodular BCC

Question 46

scaly plaque whipcord margin

Answer 46

superficial BCC

Question 47

flat deep poor defined

Answer 47

morphoeic BCC

Question 48

hyperkeratotic crust lump can bleed, painful

Answer 48

SCC

Question 49

cauliflower appearance

Answer 49

plantar warts

Question 50

bunch of grapes on dermatoscope

Answer 50

angioma

Question 51

velvet thickened lesion in axillae

Answer 51

acanthosis nigricans

Question 52

early onset multiple BCC

Answer 52

naevoid BCC | familial dysplastic naevus

Question 53

gaitor area, shallow ulcer, ABPI > 4 wks

Answer 53

chronic venous ulcer