Acral papular mucinosis

Acrokeratoelastoidosis

APACHE syndrome

Acrokeratosis

Chilblains

Acrokeratosis paraneoplastica (Bazex syndrome)

Erythema elevatum diutinum

Acrokeratosis verruciformis of Hopf in Cowden disease

Erythema multiforme

Darier’s disease

Fibroblastic rheumatism

Focal acral hyperkeratosis

Gottron’s papules in dermatomyositis

Hyperkeratosis lenticularis perstans (also known as “Flegel’s disease”)

Granuloma annulare

Keratosis lichenoides chronica

Hereditary progressive mucinous histiocytosis

Kyrle’s disease

Mercury poisoning (mainly papulovesicles)

Multicentric reticulohistiocytosis

Lutz-Lewandowsky disease (epidermodysplasia verruciformis)

Multinucleate cell angiohistiocytoma

Perforating collagenoma

Papular elastolytic giant cell granuloma

Perforating serpiginous elastosis

Self-healing juvenile cutaneous mucinosis

Seborrheic keratosis Skin cancers (including actinic keratosis and keratoacanthoma) Solitary lichenoid keratosis Stucco keratosis Superficial actinic porokeratosis Warts