Specific diseases involving the dorsa of the Hands
Annular Granuloma annulare,Tinea manum
Blisters Porphyria cutanea tarda,Pseudo or Drug induced PCT,Epidermolysis bullosa aquisita,Phytophoto dermatitis,Bullosa diabeticorum,Bullous Sweet's syndrome
Blue Blue nevus
Hyperkeratotic papules Acral Darier's disease,Actinic keratosis,Epidermodysplasia verruciformis,verruca vulgaris,Norweigian or crusted scabies
Linear Ilven(epidermal nevus),Linear morphoea,Plant contact dermatitis
Necrotic Sweet's syndrome
Papules Colloid milium,Erythropoetic protoporphyria,Flat warts,Lichen nitidus,Papular umbilicated granuloma annulare
Pigmented Solar lentigenes,Phytophotodermatitis
Plaques Erythema elevatum diutinum,Photodistributed lichenoid drug reaction,Pellagra, Self induced (from biting)
Red scaly Nummular eczema
Target Erythema multiforme
Ulcer Pyoderma gangrenosum
Vesicles Epidermolysis bullosa,Epidermolysis bullosa acquisita,Pompholyx eczema,Porphyria cutanea tarda,Pseudoporphyria
Modified from Regional Dermatology Gary M White