PM - 1

Question 1

purple, pruritic, papular, polygonal rash on flexor surfaces of arms, palms, soles, genitalia

Answer 1

Lichen planus

Question 2

what is Koebner phenomenon

Answer 2

new skin lesions appearing at the site of trauma

Question 3

what condition do you see Koebner phenomenon

Answer 3

lichen planus

Question 4

which skin condition causes white marbling/lace-like pattern in mouth

Answer 4

lichen planus

Question 5

redness around nose and cheeks worse after drinking alcohol

Answer 5

acne rosacea

Question 6

acne rosacea treatment

Answer 6

mild: topical metronidazole
severe: oxytetracycline

Question 7

what is alopecia

Answer 7

localised autoimmune condition

Question 8

alopecia treatment

Answer 8

topical corticosteroids

Question 9

linear lesions on the side of fingers, interdigital webs and flexor aspects of the wrist

Answer 9

scabies

Question 10

UC is associated with what skin conditions

Answer 10

• pyoderma gangrenoum

Question 11

bulloae with no mucosal involvement

Answer 11

Bullous pemphigoid

Question 12

bulloae with mucosal involvement

Answer 12

pemphigus vulgaris

Question 13

skin biopsy: immunofluorescence shows IgG and C3 at the dermoepidermal junction

Answer 13

Bullous pemphigoid

Question 14

ullous pemphigoid treatment

Answer 14

oral corticosteroids

Question 15

fungal hypo pigmentation of skin

Answer 15

pityriasis versicolor

Question 16

skin condition seen in those with parkinsons and HIV

Answer 16

seborrhoea dermatitis

Question 17

squamous cell cancer what margin required

Answer 17

4mm if lesion <20mm

6mm if >20mm

Question 18

stuck on appearance

Answer 18

seborrhoea keratoses

Question 19

premalignant skin lesion that develops as a consequence of chronic sun exposure

Answer 19

actinic keratoses

Question 20

actinic keratoses treatment

Answer 20

fluorouracil cream (type of chemo)

Question 21

rolled, pearly edges with telangiectasia surrounding a central crater

Answer 21

basal cell carcinoma

Question 22

what is Onychomycosis

Answer 22

fungal infection of nail

Question 23

itchy, vesicular skin lesions on the extensor surfaces

Answer 23

dermatitis herpetiformis

Question 24

direct immunofluorescence shows deposition of IgA in a granular pattern in the upper dermis

Answer 24

dermatitis herpetiformis

Question 25

skin condition associated with coeliacs

Answer 25

dermatitis herpetiformis

Question 26

Dermatitis herpetiformis treatment

Answer 26

gluten free diet

Question 27

rash following sore throat (strep infection)

Answer 27

Psoriasis guttate

Question 28

symmetrical, erythematous, tender, nodules on shin

Answer 28

erythema nodosum

Question 29

erythema nodosum is associated with which medical conditions

Answer 29

sarcoid, IBD, strep

Question 30

symmetrical, erythematous lesions seen in Graves' disease

Answer 30

Pretibial myxoedema

Question 31

vitiligo is associated with which other autoimmune conditions

Answer 31

addisions T1DM Graves Pernicious anaemia

Question 32

lichen sclerosis treatment

Answer 32

topical steroids + follow up due to cancer risk

Question 33

impetigo treatment

Answer 33

topical fusidic acid is first-line | oral fluclox id extensive

Question 34

eczema distribution in infants

Answer 34

face and trunk

Question 35

thickened brown velvety patches in axilla

Answer 35

acanthosis nigricans

Question 36

what can acanthosis nigricans indicate

Answer 36

GI cancer, diabetes, obesity, PCOS, cushings

Question 37

what is calcipotriol

Answer 37

vit D analogue given in psoriasis

Question 38

smooth dome-shaped papule rapidly grows to become a crater centrally-filled with keratin

Answer 38

keratocanthoma

Question 39

what is a keratocanthoma

Answer 39

benign tumour

Question 40

keratocanthoma treatment

Answer 40

usually spontaneously regress

Question 41

bigger lumps seen in acne are called

Answer 41

comedones

Question 42

which is last resort treatment for severe acne

Answer 42

oral isotretinoin

Question 43

most common site for venous ulcers

Answer 43

medial malleolus

Question 44

neurofibromatosis or tuberous sclerosis associated with epilepsy

Answer 44

tuberous sclerosis

Question 45

cafe-au-lait spots

Answer 45

neurofibromatosis

Question 46

ash-leaf spots

Answer 46

tuberous sclerosis

Question 47

axillary/groin freckles

Answer 47

neurofibromatosis

Question 48

skin condition associated with tuberous sclerosis

Answer 48

adenoma sebaceum

Question 49

what is used to determine prognosis in melanoma

Answer 49

breslow thickness

Question 50

what is breslow thickness

Answer 50

how deep the melanoma has penetrated in mm - goes up to 4 with 4 being the worst

Question 51

what is lentigo maligna

Answer 51

melanoma in-situ

Question 52

target lesions

Answer 52

erythema multiform

Question 53

erythema multiform progression

Answer 53

initially seen on the back of the hands / feet before spreading to the torso

Question 54

what causes erythema multiform

Answer 54

- infection, drugs, idiopathic

Question 55

most common type of skin cancer

Answer 55

basal cell

Question 56

red scaly patch on lower limb of woman

Answer 56

bowers disease

Question 57

what is Stevens-Johnson syndrome

Answer 57

severe form of erythema multiforme associated with mucosal involvement and systemic symptoms

Question 58

what does sarcoid to to calcium

Answer 58

increases it

Question 59

tear drop papules

Answer 59

guttate psoriasis

Question 60

why hyperpigmentation in addisons

Answer 60

high ACTh from pituitary and this same as melanocyte stimulating hormone

Question 61

auto antibody in dermatitis herpetiformis

Answer 61

Anti-tissue transglutaminase antibody (coeliacs)

Question 62

leukoplakia diagnosis

Answer 62

diagnosis of exclusion

Question 63

proximal muscle weakness + skin lesions

Answer 63

dermatomyositis

Question 64

how do you differentiate bowens from actinic keratosis

Answer 64

Both in sun exposed areas but bowens will be an isolated well demarcated lesion, actinic is multiple crusty, scaly lesions