Table of Contents Table of Contents
Previous Page  786 / 1119 Next Page
Information
Show Menu
Previous Page 786 / 1119 Next Page
Page Background

BT-GYN Teaching Course

D. Berger

Values of biological parameters

Tumour and early reacting normal tissue:

α/β

7 – 20 Gy for most tumours

9 – 10 Gy for cervix carcinoma

T

1/2

0.5 – 1.5 hours

Late reacting normal tissue:

α/β

0.5 – 6 Gy

3 – 4 Gy for bladder, rectum,

sigmoid

T

1/2

1 – 2 hours

Clinical and experimental experience

~ 10 Gy

~ 1.5 hours

~ 3 Gy

~ 1.5 hours