Clinical Descriptions in Dermatology Flashcards
Primary infection of varicella zoster virus, typically in childhood
Chicken pox
Reactivation of varicella zoster virus, typically in old age
Shingles
Reactivation of varicella zoster virus on opthalmic division of trigeminal nerve
opthalmic zoster
Herpes zoster infection of geniculate ganglion of facial nerve
Ramsay Hunt
Extensive ulceration in and orund mouth in preschool children, two types
Herpes simplex virus
Pox virus that is most common in children but can also be transmitted sexually
Molluscum Contagiosum (warts)
Caused by HPV most commonly types 1-4, most common in children
warts/verrucas
Blistering rash at back of mouth caused by enterovirus (corsackie or echovirus)
herpangina
Typically known as slapped cheeck
erythema infectiosum, caused by parvovirus B19
virus of sheep “scabby mouth” seen in farmers
Orf
Many triggers, including some drug reactions and infections such as herpes simplex
erythema multiforme
Acute infection of skin and soft tissues, often caused by staph aureus or strep pyogenes
Cellulitis
Contagious superficial infection, peak incidence 2-5 years
impetigo
Superficial infection by strep pyogenes
erysipelas
ring worm
dermatophyte fungal infection
intense itchy rash affecting finger webs, wrists and genital area, can have chronic crusted “norwegian” form
Scabies
pediculus capitis
head lice
Type IV reaction, common allergens include Nickel and chromates
contact dermatitis
chronic inflammatory skin condition, two different pathologies
psoriasis
any break in skin of lower leg above the angle, present for more than 4 weeks
leg ulcer
autosomal dominant, associated with endocrine conditions such as acromegaly
Neurofibromatosis
Autosomal dominant, variety of hamartomatous growths
3 main features: mental retardation, epilepsy, cutaenous abnormality
Tuberose sclerosis
Potentiall fatal blistering involving production of autoantibodies against desmosomal porotein desmoglein 3, an adhesion molecule
pemphigus vulgaris
Which is more common, pemphigus or phemigoid?
pemphigoid
presents at around 60, mucosal involvement rare, autoantibodies against hemidesmosomal protein
bullous pemphigoid
inherited condition leading to skin fragility, blidtering after trauma, presents shortly after birth
epidermolysis bullosa
Cancer arising from keratinocytes within basal layer of epidermis
basal cell carcinoma
Arises from keratinocytes from subrabasal layers of epidermis
squamous cell carcinoma
arises from melonocytes
melanoma
Multiple lesions, highly associated with risk of developing SCC or BCC
actinic keratosis
A form in intra epidermal carcinoma in situ, rarely becomes invasive
Bowen’s disease
tendency to flush easily
acne rosacea
non immunological mediated skin reaction, concern about UVA
phototoxic cuteanous drug reactions
toxic epidermal necrolysis caused by drugs
Steven-Johnson syndrome
Most common type of drug eruption
exanthematous
group of disorders where there is a deficiency in one of enzymes used to make haem
porphyrias
caused by impairment of skin barrier due to mmutations in fillagrin gene and decreased AMP in skin
Atopic eczema
board range of lesions, most are acquired in teens/20s
Melanocytic naevi
