Disease | Classification | Enzyme affected | Inheritance | Major biochemical findings* |
Tissue site | Clinical features | Urine | Plasma | Erythrocytes | Feces |
ADP | Hepatic¶ | Acute | ALAD | Autosomal recessive | ALA, coproporphyrin III | | Zinc protoporphyrin and low ALAD activity | |
AIP | Hepatic | Acute | PBGD | Autosomal dominant | ALA, PBG, uroporphyrin, coproporphyrin | | Low PBGD activity | |
HCP | Hepatic | Acute and cutaneous | CPOX | Autosomal dominant | ALA, PBG, uroporphyrin, coproporphyrin III | | | Coproporphyrin III |
VP | Hepatic | Acute and cutaneous | PPOX | Autosomal dominant | ALA, PBG, uroporphyrin, coproporphyrin III | Fluorescence peak at approximately 626 nm | | Coproporphyrin III and protoporphyrin |
PCT | Hepatic | Cutaneous | UROD | Autosomal dominantΔ | Uroporphyrin and hepta-carboxyl-porphyrin | Uroporphyrin and hepta-carboxyl-porphyrin | | Isocoproporphyrin |
HEP | Hepatic¶ | Cutaneous | UROD | Autosomal recessive | Uroporphyrin and hepta-carboxyl-porphyrin | Uroporphyrin and hepta-carboxyl-porphyrin | Zinc protoporphyrin and low UROD activity | Isocoproporphyrin |
CEP | Erythropoietic | Cutaneous | UROS | Autosomal recessive | Uroporphyrin I and coproporphyrin I | Uroporphyrin I and coproporphyrin I | Uroporphyrin I and coproporphyrin I | Coproporphyrin I |
EPP | Erythropoietic | Cutaneous | FECH | Autosomal recessive | | Protoporphyrin, fluorescence peak at approximately 634 nm | Metal-free protoporphyrin | Protoporphyrin |
XLP | Erythropoietic | Cutaneous | ALAS2 | X-linked | | Protoporphyrin | Metal-free and zinc protoporphyrin | Protoporphyrin |