✅Derm Flashcards
Identify
________________
When does this onset and regress?
________________
Describe composition
Capillary Hemangioma
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Birth - 6 mo and regresses by 7 yo.
________________
Small Capillaries that BLANCHES on pressure
What causes Purulent cellulitis
Staph Aureus
What causes NONPurulent cellulitis
GASP
Between flexor and extensor, which is more involved with [Eczema Atopic Dermatitis]
Flexor
If superimposed with HSV –> Eczema Herpeticum which –> hemorrhagic crusting
Rash description: scaly, erythematous, pruritic rash with a raised border and central clearing
________________
tx?-2
[Tinea Corporis ringworm]
________________
Tx = [topical clotrimazole] or [topical terbinafine]
Rash description: scaly, erythematous, pruritic rash with a raised border and central clearing.
What is the diagnosis?
________________
how do you confirm this diagnosis?
[Tinea Corporis ringworm]
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KOH of skin scrapings
Diagnosis?
________________
Demographic?
Non Blanching Blue Grey Sacral patches
[Mongolian Spot dermal melanocytosis] (fades during childhood)
________________
Pretty much every race except white lol
- These should be NON-Tender*
- Often described on test as Non Blanching Blue Grey Sacral Patches*
Squamous Cell Carcinoma
Most common skin cancer in immunocompromised patients
How do Corticosteroids affect the skin?
CTS ➜ [Monomorphic papular ACNE]
Diagnosis?
________________
Management?
Basal Cell Carcinoma
________________
[Mohs surgical removal]
(since it rarely metastasizes but invades locally)
diagnosis?
________________
How do you confirm diagnosis for this?
Bullous Pemphigoid
________________
bx showing IgG and C3 deposits at basement membrane
diagnosis?
________________
Treatment?
bullous pemphigoid
________________
[high potency topical CTS]
Identify
[Epidermal Inclusion Cyst]
Lipomas and Epidermal inclusion cyst can both present as painless benign nodules
How do you differentiate the two? - 3
- EIC resolves spontaneously and can come back. Lipoma don’t resolve w/out surgery!
- EIC are FIRM vs Lipoma which is soft rubbery
- EIC may drain cheesey white discharge +/-
Describe a Dermatofibroma
benign fibroblast proliferation that forms hyperpigmented nodule usually on LE that causes center dimpling when pinched
what’s the treatment for this?
Topical Retinoids
________________
- Ichthyosis Vulgaris*
- diffuse dermal scaling resembling fish or reptile scales, MUCH WORST than eczema*
Ichthyosis Vulgaris
- diffuse dermal scaling resembling fish or reptile scales, MUCH WORST than eczema*
- tx = topical retinoids*
Which dermatologic condition is Hepatitis C associated with?
Porphyria cutanea tarda with skin fragility and photosensitivity
also associated with EtOH and OCPs
diagnosis?
Seborrheic Keratosis
________________
[stucK on brown benign epidermal tumors in the elderly]
describe this lesion
[stucK on brown benign epidermal tumors in the elderly]
________________
Seborrheic Keratosis
Lichen Planus
Papules flat topped, pruritic, planar, polygonal
Which antibiotic is most associated with phototoxic drug eruptions?
Tetracyclines
especially in sun-exposed areas
What type of cellular reaction is responsible for [Allergic Contact Dermatitis]?
erythematous papules and vesicles
[Type 4 T cell mediated hypersensitivity]
MOD for Lentigo
________________
demographic?
intraepidermal melanocyte hyperplasia that –> EVEN pigmentation
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elderly
