Table I.
Results of laboratory investigations
| Parameter (normal range) | Case 1 | Case 2 | Case 3 |
|---|---|---|---|
| Urine total porphyrin (25-144 nmol/L) | 11,986 nmol/L | NA | 13,269 nmol/L |
| Fecal porphyrin (10-200 nmol/g) | 5569 nmol/g | NA | 1797 nmol/g |
| Plasma porphyrin (<11.2 nmol/L) | NA | NA | 1120.5 nmol/L |
| Plasma porphyrin peak | 618 nm | NA | 618 nm |
| Erythrocyte porphyrin (0.4-1.7 μmol/L) | 35.8 μmol/L | NA | 26.2 μmol/L |
| Total white blood cell count (4000-11,000/mm3) | 1700/mm3 | 3600/mm3 | 4500/mm3 |
| Platelets (150,000-450,000/mm3) | 107,000/mm3 | 150,000/mm3 | 175,000/mm3 |
| Hemoglobin (female: 12.0-15.5 g/dL) | 9.4 g/dL | 8.7 g/dL | 12 g/dL |