046 Serum porphyrin study in patients with HIV infection

Abnormal Urinary Coproporphyrin Levels in Patients Infected by Hepatitis C Virus With or Without Human Immunodeficiency Virus

“…In all of the patients who had elevated urinary cop¬ roporphyrin levels (higher than the mean plus 3 SDs), the coproporphyrin concentration in stools was within normal range (8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18) nmol/L), confirming that only the urinary excretion was increased.…”