Ann Dermatol Vener
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Blueberry muffin baby is a characteristic neonatal syndrome characterized by multiple dark-bluish skin nodules. The clinical significance and prognosis of this syndrome are variable. ⋯ We attributed this blueberry muffin baby syndrome to T cell proliferation but we were unable to distinguish between extramedullary leukopoiesis and leukemia. Despite the absence of systematic disease and the complete regression, no exact diagnosis and prognosis could be established in the case. The association of blueberry muffin baby syndrome with a polymalformative syndrome was probably related to a genetic anomaly on chromosome 20 not previously reported.