Key role of Levitt’s carbon monoxide breath test in revealing coexistent Gilbert syndrome and erythropoietic protoporphyria: A case report

Figure 1 Diagnostic findings of the proband. A: Mild icterus of the sclera without facial injuring scar; B: A large number of fluorocytes in the peripheral blood.

Figure 2 The classical algorithm for the evaluation of an isolated hyperbilirubinemia. Incorporating the recently developed Levitt’s carbon monoxide breath test into the hemolysis evaluation step could provide substantial benefits. Adapted from Pratt[1]. LDH: Lactate dehydrogenase.