Differential Diagnosis > Distribution > Extensor Surfaces

Extensor Surfaces

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hmtoggle_plus1Elbow (or extensor surface) ddx:
•DH, psoriasis, frictional lichenoid dermatitis
•dermal papules on elbows ddx (see below)

 

 

 

hmtoggle_plus1Dermal Papules on the Elbows or Knees:
•Granuloma Annulare
•Erythema Elevatum Diutinum
•Multicentric Reticulohistiocytosis
•Rheumatoid Nodules
•Rheumatoid Papules (palisaded and neutrophilic granulomatous dermatitis)
•Gottron's papules
•Xanthomas