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Question 1

This open access article gives a pictorial differential diagnosis of a “blueberry muffin baby”: https://escholarship.org/uc/item/53q852nc. Based on this article, which of the following statements is true?
Langerhans cell histiocytosis can present as a “blueberry muffin baby” phenotype
Congenital rubella and toxoplasmosis have been documented by skin biopsies to cause dermal erythropoiesis
Vanishing twin syndrome can cause a “blueberry muffin baby” phenotype due to derma erythropoiesis.
Leukemia cutis secondary to acute lymphoblastic leukemia can lead to a “blueberry muffin baby” phenotype
Congenital cytomegalovirus does not cause a “blueberry muffin baby” phenotype