Derm

Question 1

Basal Cell Carcinoma

Answer 1

RF: fair skin, age, UV exposure, males, PMH, Gorlin’s syndrome

Most common type

Skin biopsy

Question 2

Squamous Cell Carcinoma

Answer 2

RF: fair skin, M 2:1, age, UV , PMH

Less common than BCC, increasing incidence, more common than melanoma
Non- healing ulcers on sun exposed areas

Biopsy

Question 3

Actinic Keratosis

Answer 3

Precursor for SCC

Question 4

Melanoma

Answer 4

RF: Intermittent intense exposure to UV

Bad

Question 5

Psoriasis

Answer 5

Chronic inflammatory skin condition

RF: polygenic, HLA associations, FMH in 1/3, smoking, can be triggered by env, stress, trauma

Koebner & Auspitz phenomena

Salmon coloured with silver plaque

Can get arthritis -> ask joint pain?

Question 6

Atopic dermatitis

Answer 6

chronic relapsing
abnormalities in skin barrier function
PMH, FMH, IgE reactivity,

Question 7

atopic triad

Answer 7

eczema
asthma
rhinitis

Question 8

Eczema Herpeticum

Answer 8

Overlying Eczema herpeticum

Question 9

Eczema

Answer 9

purely descriptive

Question 10

Contact dermatitis

Answer 10

Allergic: type 4 hypersensitivity, nickel, fragrances, hair dyes,

Irritant:
Friction,

Question 11

Erythema Nodosum

Answer 11

• Sarcoidosis, IBD, pregnancy

- Inflammation of subcutaneous fat

Question 12

Erythema Multiforme

Answer 12

Target shaped lesions and central vesicles

HSV1 infection

1/3 relapsing

Emergency: Can affect lining of resp tract, eyes, or oesophagus

Question 13

Urticaria

Answer 13

wheal - and - flare reaction with localize intracutaneous edema and surrounding erythema
itchy
IgE mediated
Triggered by food, drugs, etc.

Question 14

Molluscum contagiosum

Answer 14

poxvirus
spread by contact
Kids and immunocompromised
self-limiting 6-12 months

Question 15

Pressure ulcers

Answer 15

hospitalised patients
bedrest patients
compromised blood flow

prevention

Question 16

Lipoma

Answer 16

benign skin growth 
fat 
squishy
age and FMH 
remove or leave

Question 17

Sebaceous cyst

Answer 17

benign skin growth
cyst in skin
mobile, discrete