A case of disseminated perforating necrobiosis lipoidica

Perforating Disseminated Necrobiosis Lipoidica Diabeticorum

Perforating necrobiosis lipoidica is a very rare clinical variant which consists of degeneration and transepidermal elimination of the collagen with few cases reported in the literature. In two-thirds of the patients it associates with diabetes, with no relation with the glucose control. We present a 42-year-old female patient with a 7-year history of diabetes on insulin therapy, referred to ou...

Perforating necrobiosis lipoidica

Perforating necrobiosis lipoidica (PNL) is a very rare variant of necrobiosis lipoidica (NL), almost always associated with diabetes. A non-diabetic 43-year-old man referred to us with a gradually enlarging plaque on his forehead. The patient was initially diagnosed with cutaneous tuberculosis based on the histopatholo

A severe case of ulcerating necrobiosis lipoidica.

Necrobiosis Lipoidica

Background: In 1929, Oppehhein first described necrobiosis lipoidica diabeticorum and called it dermatitis atrophicans lipoidica diabetica, but it was later renamed necrobiosis lipoidica diabeticorum (NLD) by Urbach in 1932. In 1935, Goldsmith reported the first case in a nondiabetic patient. Other cases of NLD in nondiabetic patients were described by Meischer and Leder in 1948. Rollins and Wi...

Necrobiosis lipoidica

A 47-year-old woman reported an 18-month-old pretibial rash on her left shin during a routine office visit. She had a history of type 1 diabetes mellitus (DM) and has been on insulin therapy for the past 13 years. She did not complain of any itching, pain, or bleeding from the rash. On examination, an 8 3 cm elongated indurated plaque with telangiectases, central atrophy, and yellow pigmentatio...