Lipoatrophic panniculitis is a rare condition affecting mainly children, often associated with connective tissue disease. We report a healthy 12-month-old girl with no clinical or laboratory features of connective tissue disease who presented with the progressive appearance of annular atrophic plaques beginning at the left arm. A histopathological analysis revealed lobular panniculitis, with fat necrosis and an associated inflammatory infiltrate supporting the diagnosis of lipoatrophic panniculitis. Lipoatrophic panniculitis should be considered in infants and young children with clinical features of panniculitis and fat atrophy even without clinical or serologic evidence of connective tissue disease.
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