Table 2 Tissue optical properties for each region in the 3D model at two activation wavelengths (\(\lambda _1 = 690\) nm and \(\lambda _2 = 565\) nm).

From: Photodynamic therapy outcome modelling for patients with spinal metastases: a simulation-based study

Tissue

\(\lambda _1 = 690\) nm

\(\lambda _2 = 565\) nm

\(\mu _s\) (mm\(^{-1}\))

\(\mu _a\) (mm\(^{-1}\))

g

n

\(\mu _s\) (mm\(^{-1}\))

\(\mu _a\) (mm\(^{-1}\))

g

n

Spinal cord

15.47

0.0216

0.9

1.41

22.48

0.108

0.9

1.41

Bone

15.23

0.01

0.9

1.56

32.09

0.04

0.9

1.56

Sclerotic metastasis\(^{\mathrm{a}}\)

15.23

0.01

0.9

1.56

32.09

0.04

0.9

1.56

Osteolytic metastasis

16

0.009

0.9

1.56

10.22

0.09

0.9

1.56

Muscle

7.356

0.052

0.93

1.41

11.61

0.36

0.93

1.41

  1. \(^{\mathrm{a}}\)Assumed to have similar tissue optical properties as the bone.