title: Radiological case of the month.
mesh_terms: D001927:Brain Diseases / Q000000981:diagnostic imaging* / Q000209:etiology; D002114:Calcinosis / Q000000981:diagnostic imaging* / Q000209:etiology; D002648:Child; D005260:Female; D006801:Humans; D007945:Leukemia, Lymphoid / Q000150:complications / Q000000981:diagnostic imaging; D011859:Radiography