Collections

Melanocytic and non-melanocytic differentiators — benign nevi through melanoma, plus SK, lentigines, and LPLK as the classic mimickers.

The 10–15 conditions that must not be missed on a 2 am derm consult: SJS-TEN, DRESS, erythroderma, eczema herpeticum, melanoma, calciphylaxis, PG, and friends.

Hemangiomas, angiokeratomas, pyogenic granulomas, Kaposi sarcoma, vascular malformations, spider angiomas.

AK, BCC, SCC, lentigo maligna, solar lentigines, and the SoC caveats around sunburn/tan/UV exposure.

BCC, SCC (invasive + in situ), actinic keratosis, and melanoma — what a resident must recognize on a pimped-service day.

Junctional, compound, dermal, dysplastic (Clark), blue, congenital, recurrent, and Spitz — walked end to end.

Atopic, contact, nummular, id reaction — plus Paget disease as the malignant mimic.

Psoriasis, lichen planus, pityriasis rosea, secondary syphilis, Bowen disease, MF (patch/plaque) — the classic scaly-plaque board set.

Infantile hemangioma, port-wine stain, lymphangioma — with the PHACE/LUMBAR/Sturge-Weber associations that require imaging.

Melasma, PIH, CCCA, traction alopecia, keloids, tattoo pigment bleed — where cosmetic dermatology disproportionately matters for skin of color.

Atopic dermatitis across age groups, plus related comorbidities (asthma, allergic rhinitis, food allergy).

Dermatofibroma, epidermoid cysts, lipomas, pilomatricomas — and their malignant mimics (DFSP, adnexal tumors).

Congenital nevi, port-wine stains, Mongolian spots, café-au-lait, aplasia cutis — the things parents show at well-child visits.

Life/limb-threatening — purpura fulminans, necrotizing fasciitis, TEN, erythroderma, DRESS, angioedema with airway, ecthyma gangrenosum.

SJS-TEN, DRESS, AGEP, fixed drug, serum sickness–like, drug-induced vasculitis — how residents narrow when a sick inpatient is on too many meds.

When your "eczema" isn't responding — CTCL, Paget, contact allergen, scabies, and the other masqueraders.

Lichen planus, lichenoid drug eruptions, lupus (DLE/SCLE), GVHD, erythema multiforme, and lichenoid keratoses.

DFSP, atypical fibroxanthoma, angiosarcoma, soft-tissue sarcomas crossing the dermis.

Acanthosis nigricans (malignant), Paget disease, Leser-Trélat, necrolytic migratory erythema, Sweet, dermatomyositis.

Tinea capitis, molluscum, impetigo, HFMD, Gianotti-Crosti, scabies — the core peds clinic rotation.

Lichen planus–like keratosis, halo nevus, regressing melanoma — host response changing the visual and histologic picture.

Tinea capitis, seborrheic dermatitis, psoriasis, alopecia areata, and scarring alopecias — one site, many possibilities.

CCCA, lichen planopilaris, frontal fibrosing alopecia, folliculitis decalvans, discoid lupus — irreversible unless caught early.

Port-wine stains, venous/lymphatic malformations, lymphangiomas — peds-centric vascular anomalies distinct from proliferative hemangiomas.