Leg All Morphologies

Specific conditions involving the leg

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Blue-Black   Minocycline pigmentation

Enlarged   Elephantiasis Nostras,Hereditary lymphedema,Klippel-Trenaunay syndrome

Eschar   Ecthyma gangrenosum,Anthrax,Lymphomatoid papulosis,Mucha-Habermann disease (PLEVA)

Hyperkeratotic Papule   Large cell acanthoma,Lichen spinulosus

Linear   ILVEN,Lichen striatus,Incontinentia pigmenti,Linear porokeratosis,Linear scleroderma,Superficial Thrombophlebitis,Bleomycin rash,Linear Darier's

Lipoatrophy   Circumscribed lipoatrophy

Necrosis   Henoch-Schonlein Purpura,Pityriasis lichenoides(PLEVA),Ecthyma,Factitial

Nodules   Fascial hernias,Dermatofibroma,Keratoacanthoma

Papules   Flat warts,Kyrle's Disease,Majocchi's granuloma

Pedunculated   Dermatofibroma

Pigmented   Dermatofibroma,Erythema ab igne (reticulate),Lichen amyloidosis,Melanoma

Purpura nonpalpable   Lichen aureus,Progressive pigmentary dermatosis,Purpura annularis telangiectoides

Purpura palpable   Hypergammaglobulinemic purpura,Hypersensitivity vasculitis,Polyarteritis nodosa,Wegener's granulomatosis

Pustules   Folliculitis

Red scaly   Asteatotic eczema,Bowen's diseaseT cell lymphoma,Nummular eczema,Stasis dermatitis,Tinea corporis,Hypertrophic lichen planus,Porokeratoses

Reticulated   Cutis marmorata,Cutis marmorata telangiectasia,Levido reticularis,Sneddon's syndrome

Ridge   Disseminated superficial actinic porokeratosis

Skin coloured and scaly   X linked Ichthyosis (fish like scales)

Swelling   Lymphedema,Milroy's disease,Klippel Trenaunay Syndrome

Target   Erythema multiforme

Telangiectasias   Arborizing telangiectasia

Ulcers   Ateriosclerosis obliterans,Antiphospholipid syndrome,Factitial,Klinefelter's syndrome,Malignancy,Necrobiosis lipoidica,Prolidase deficiency,Pyoderma gangrenosum,Rheumatoid arthritis,Sarcoidosis,Stasis ulcer,Vasculitis (See Advanced Differential diagnosis page for others)

Vascular   Varicose veins

White   Idiopathic guttate hypomelanosis

Xerosis Xerosis

Yellow   Buschke-Ollendorff syndrome (dermatofibrosis lenticularis disseminata)

Modified from Regional Dermatology Gary M White