Two girls with necrobiosis lipoidica and type I diabetes mellitus with transfollicular elimination in one girl.

Necrobiosis lipoidica (NL) is a rare disorder that usually appears in the lower extremities and it is often related with diabetes mellitus (DM). There are few reported cases of NL in children. Transfollicular elimination of necrotic material has been described in adult patients with NL diabeticorum. Here we describe two new cases of NL in two girls with type I diabetes mellitus (DM). One of the cases is the first case, to our knowledge, of transfollicular elimination in a girl. The other case is the second case reported of lesions on the arms in a child with DM.