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  • Title: [Symmetric multiple lipomatosis with Charcot's joint and neuropathic ulcer. Description of a clinical case].
    Author: Biasi D, Caramaschi P, Carletto A, Baracchino F, Botto M, Pacor ML, Bambara LM.
    Journal: Minerva Med; 1993 Mar; 84(3):135-9. PubMed ID: 8388091.
    Abstract:
    Multiple symmetric lipomatosis (MSL) (or Madelung's disease or Launois-Bensaude syndrome) is a rare inherited disease clinically characterized by a massive development of large symmetric unencapsulated lipomas on the subcutaneous tissue of face, neck, trunk and arms, resulting in a grotesque aspect of the patient. Less frequently the accumulation of excessive fatty tissue can spread deeply to the superficial fascia. Peripheral neuropathy, macrocytic anemia and chronic hepatopathy have been reported to cohesist. Macrocytic anaemia and chronic hepatopathy are probably secondary to high alcohol consumption, that is frequently associated. MSL, that was first described by Sir Benjamin Brodie in 1846, affects mainly the men (ratio man/woman 30:1), with an incidence in Mediterranean area of 1:25.000 men; the ages at onset range from 20 to 50 years. It is not known yet the pathway of inheritance and the molecular basis of the genetic defect responsible for the development of fat accumulation. It has been postulated a defective lipolytic response to catecholamines; this altered response could be due to an abnormal amount or a defective function of Gs-protein, the coupler between beta-adrenergic receptors on the surface of adipocytes and adenylate cyclase, or, alternatively, the defect could be in the catalytic unit of adenylate cyclase. The number and function of alpha- and beta-adrenergic receptors and the lipolytic response to cAMP (the second messenger) are normal. Recently it has been hypothesized that the defective lipolysis is due to a disorder in the mitochondria of brown fat, whose distribution is similar to the peculiar position of the lipomas in this pathology; the brown fat, unlike white adipose tissue, has abundant mitochondria. The alcohol abuse, frequently present in these subjects, might facilitate the clinical expression of the molecular defect. The therapy of lipomas is essentially surgical, but this approach is not easy, because the lipomas are not capsulated and extremely vascularized. Moreover the surgical excision is not always a successful treatment for the lipomas as they frequently recurrent after a short period from the exeresis. In this report we describe a 59-years old white man, alcohol abuser, with a typical clinical picture of MSL, developed when he was 37 years old. The patient presented multiple lipomas around the shoulders, face, neck and arms, that had been surgically excised eight times. Magnetic resonance imaging showed the presence of fat deposits also in the mediastinum, that caused a tracheal compression. Hepatic cirrhosis and serious side effects from peripheral neuropathy, represented by Charcot's joint and neuropathic ulcer on the sole foot were observed.(ABSTRACT TRUNCATED AT 400 WORDS)
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