derm Flashcards
affected layer of atopic dermatitis
whole epidermis
macule
nodule
- raised (vertical) and wide
plaque
how to divide acne
inflammatory vs non inflammatory
why are blackheads black
oxidised melanin
what is involved in the pathogensis of acne
- increase sebum production
= face becomes more oily
= - hyperkeratinisation
- p acne or c acne formation
what is the pathogenesis of acne
what is the background of acne treatment
tropical retinoids
neurofibroma vs dermatofibroma
neurofibroma:
- skin coloured
- raised nodule
- soft
dematofibroma:
- flat nodule
- firm
where is the origin of neurofibroma
describe this
epidermal cyst
- invagination to form thick skin wall
- punctum
bullous impertigo vs non bullous
‘honey crusted/ golden’
non bullous impetigo
most common pathogen: staph aureus
transudate vs exudate
what is this
infantile hemangioma
- usually at head and neck region
- superficial vs deep vs mixed
superficial: BRIGHT RED & clearly demarcated
deep: appear blueish or skin coloured
mixed: not well demarcated
**usually do not arise at birth
when does an infantile hemangioma reach it’s max size
rapid growth: 3-6 months
max size: 6-9 months
what is PHACES syndrome vs PELVIS syndrome
posterior fossa malformation
haemangioma
Arterial anomalies
Cardic and aortic anomalies
Eye anomalies
Sternal cleft defects
what are the red flags of infantile haemangioma?
- at periorbital region
- lip, anogenital region –> ulceration
- nasal tip –> partial/ slow involution
what is the most common skin cancer worldwide?
basal cell carcinoma
