title: Transfusion therapy in a patient with erythropoietic protoporphyria.
abstract: An 8-year-old boy with erythropoietic protoporphyria had a marked decrease in photosensitivity symptoms after several transfusions with washed, packed RBCs. The reduction in photosensitivity was associated with a decline in free erythrocyte protoporphyrin levels.
mesh_terms: D001803:Blood Transfusion; D002648:Child; D004912:Erythrocytes; D006801:Humans; D008297:Male; D010787:Photosensitivity Disorders / Q000097:blood / Q000628:therapy*; D011164:Porphyrias / Q000503:physiopathology / Q000628:therapy*; D011166:Porphyrins / Q000378:metabolism*; D011524:Protoporphyrins / Q000378:metabolism*
chemical_list: D011166:Porphyrins; D011524:Protoporphyrins