Dermatology Gallery Flashcards
refer to attached image
- slapped cheek disease, fifth disease, erythema infectiosum
- parvovirus B19
- History: mild febrile illness with rash
- Prodrome: fever, headache, nausea
- 2-5 days later: classic erythematous malar rush with relative circumoral pallor. Rash recrudescence after stimuli (e.g. change in temp)
- Facial rash followed by reticulated or lacelike rask on trunk and extremities
- +/- arthralgia (joint pain without symptoms of inflammation)
- Symptoms self-resolve within a few weeks but can persist for months to years in some patients
what is this?
cavernous hemangioma
what is this?
cellulitis
what is this?
erythema multiforme
what is this?
folliculitis
what is this?
furuncle
what is this?
herpes simplex (HSV-1)
what is this?
molluscum contagiosum
pityriasis rosea (with the herald patch and maculopapular pink rash)
pityriasis versicolor
scabies (shows burrows on the skin)
shingles vesicular, maculopapular rash in a dermatomal dsitribution
tinea cruris
urticaria
warts (HPV)
nappy rash - suberrhoiec dermatiits
petechial rash - suspect meningoccoceal septicemia
young patient, has simialar lesion on the mucosal surface of the mouth
hand foot mouth disesae, coksackie B virus
patient presented after a new drug prescription
Steven Johnson Syndrome - erythema multiforme with the involvement of the mucosal membrane
vesicular looking rashes on a child
chicken pox (herpes zoster)
found on a middle aged person that is non blanching
campbell de morgan spot or cherry angiomas (benign lesions)
most common angioma found in middle aged - older aged person
can grow from macular to papular shape
non blanching
found on a child
capillary malformations/port wine stains
made of tiny blood vessels. Quite common and occurs 3 out of 1000 babies.
usually flat, red, and color can become darker as the child ages. may become thick and lumpy through the ages
spider angioma/spider nevus
type of talengectiasia, with a central red spot and reddish extension that radiates outwards
can be normal in around 10 - 15% of healthy adults and young children, but may be abnormal and a sign of liver disease
found on the back of the neck of a baby
stork bite or naevus flammeus nuchae
congenital capillary malformation that is usually temporary on newborns
what is this and what is the clinical triad often assoc. with this?
henoch schonlein purpura
usually HSP presents with the triad of purpuric rash, joint pain/swelling, and abdominal pain with a recent history of upper respiratory tract infection
vasculitis affecting 10 - 12 years olds
ix: FBE, UEC, blood culture
Tx: steroid for mild joint/abdominal pain - not yet proven to help prevent renal complciations
complications: possible renal complicaitons
what are posisble differential diagnoses?
nappy rash differential diagnoses:
suberrheoiec dermatitis
candidiasis
irritant contact dermatitis
atopic dermatitis
What is the treatment for the following lesion:
Topical antifungal If chronic (with erosion, scale, fissuring, maceration), extensive, or with nail involvement (onychomycosis) - oral antifungal indicated
This is acute tinea pedis
- begins with intensely pruritc, sometimes painful, erythematous vesicles or bullae between the toes or on the soles, frequently extending up the instep.
- beware of secondary staph with lymphangitis
- sweaty feet o.e
- diagnosis - history and clinical picture is characteristic but diagnosis can be confirmed with potassium hydroxide preparation.
- ddx: dyshidrotic eczema (pompholyx)
