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Filter by morphology, mechanism, acuity, reaction pattern, and more. Tags are ancestor-aware — picking palm also surfaces hand and upper-extremity conditions.
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3 of 33 conditions
Clear filtersContact dermatitis (allergic and irritant)
Editorial
Geometric, pattern-matched dermatitis driven by contact with an allergen (type IV hypersensitivity) or an irritant — history and distribution are diagnostic; patch testing confirms allergens.
3 imagesL23.9
Lichen planus
Editorial
T-cell-mediated inflammatory dermatosis classically defined by the 'four P's' (purple, pruritic, polygonal papules); lichen planus pigmentosus is a distinct skin-of-color variant.
4 imagesL43.9
Pyogenic granuloma
7 images