Table 1 Biochemical analyses of two new HPV cases

Blood

Soluble protoporphyrin in erythrocytes (nmol/l)

1583

1256

9–89

Total protoporphyrin in erythrocytes (nmol/l)

4176

4374

 < 500

Urine

Coproporphyrin/creatinine (µg/g)

Not quantifiable

3 277

 < 120

Uroporphyrin/creatinine (µg/g)

Not quantifiable

100

 < 33

Porphobilinogen/creatinine (µmol/g)

48

15

 < 8

5-aminolevulinacid (5-ALA)/creatinine (µmol/g)

92

71.7

 < 25

Total porphyrin/creatinine (µg/g)

34 128

3 477

 < 174

Faeces

Pentacarboxyporphyrin (µg/g)

104.2

Not obtained

 < 3

Coproporphyrin (µg/g])

65.9

Not obtained

 < 24

Total porphyrin (µg/g)

334

Not obtained

 < 85