Created 2008. Learning objectives Describe dermoscopic features of pigmented and non-pigmented non-melanocytic lesions Introduction Dermoscopy is useful to distinguish pigmented non-melanocytic lesions from benign and malignant melanocytic lesions. There are specific features that help to distinguish these. Careful observation has resulted in the description of the dermoscopy of many non-pigmented lesions as well, which may be sometimes helpful in diagnosis for an itchy rash. Dermoscopy of ... Images of xanthelasma . Authoritative facts about the skin from DermNet New Zealand. Milia should be distinguished from other types of cyst, comedones, xanthelasma and syringomas. Colloid milia are golden coloured bumps on cheeks and temples associated with excessive exposure to sunlight. What is a xanthoma? A xanthoma is a skin lesion caused by the accumulation of fat in macrophages in the skin. Less commonly, a xanthoma will occur in a subcutaneous layer. Who gets xanthomas? Xanthomas are usually a skin sign of disorders of lipid metabolism (dyslipidaemias) or occur in histiocytosis; the former is the focus of this page. Xanthomas typically affect adults, although children with familial hypercholesterolaemia may present with xanthomas. The race and sex distributions depend ...
