Clinical Features of Necrobiosis Lipoidica Diabeticorum

Gender of the patient

Is the patient insulin-dependent?

Does the patietn have a skin plaque with irregular contour and slightly raised edges that is slowly enlarging?

Was the initial skin lesion a small red-brown papule?

Is the lesion on the pretibial and medial malleolar region?

Is the periphery of the lesion purplish-reddish-blue?

Does the center of the lesion range from erythematous to yellow to brown?

Has the center of the lesion become more sclerotic and atrophic over time?

Is the lesion painless with decreased to absent sensation to touch or pin prick?

Has the lesion ulcerated or become infected?

Does the lesion show poor healing after trauma?

Is there another condition that can explain the findings better?