Table 3.

PpIX concentration measurements taken in vivo near the tumor injection site and in normal brain tissue.

	Near Tumor Cell Injection Site	Contralateral Normal Brain
	[PpIX] in μg∕mL (max∕min	]PpIX] in μg∕mL (max∕min
	for N = 10)	for N = 10)
Rabbit 1	1.081 ∕ 0.004	0.097 ∕ 0.001
Rabbit 2	0.224 ∕ 0.003	0.013 ∕ 0.001
Rabbit 3	1.951 ∕ 0.017	0.027 ∕ 0.001
Rabbit 4	2.451 ∕ 0.028	0.010 ∕ 0.001