多发对称性脂肪增多症(Multiple symmetrical lipomatosis,MSL)也称为Madelung病(Madelung’s disease)、良性对称性脂肪增多症(Benign symmetrical lipomatosis,BSL)或Launois-Bensaude综合征。该病病因尚未明确,发病率较低,地中海沿岸国家对该病的相关报道较多见,在亚洲较为罕见,以大量无包膜脂肪团块成对称性堆积在面、颈、枕部、上背部、腋下、腹股沟及其他部位皮下组织内为主要特 Multiple symmetrical lipomatosis (MSL) is also known as Madelung’s disease, Benign symmetrical lipomatosis (BSL) or Launois-Bensaude syndrome. The etiology of the disease is not yet clear, the incidence is low, the Mediterranean coastal countries more relevant reports of the disease more common in Asia, a large number of non-enveloped cellulite symmetry accumulation in the face, neck, occipital, on Back, underarm, groin and other parts of the subcutaneous tissue as the main special