• 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.
(Arch Dermatol 117:99-101, 1981)
Bechtel MA, Bertolone SJ, Hodge SJ. Transfusion Therapy in a Patient With Erythropoietic Protoporphyria. Arch Dermatol. 1981;117(2):99-101. doi:10.1001/archderm.1981.01650020041022