ABSTRACT

Clinical Introduction to Brachytherapy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1093

Peter Blake

Chapter 51

Calibration and Quality Assurance of Brachytherapy Sources . . . . . . . . . . . . . . . . 1101

Colin Jones

Chapter 52

Afterloading Equipment for Brachytherapy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1117

Margaret Bidmead and Colin Jones

Chapter 53

Dose Calculation for Brachytherapy Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1131

Philip Mayles

Chapter 54

Brachytherapy Treatment Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1141

Margaret Bidmead and Dorothy Ingham (with Jean-Claude Rosenwald)

Chapter 55

Radiobiology of Brachytherapy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1181

Roger Dale

References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1193

This Part deals with all forms of sealed source brachytherapy. Chapter 50 provides a

clinical introduction. This leads to a discussion of the sources available for brachytherapy

(Chapter 51), and methods of afterloading are then considered (Chapter 52). Brachytherapy

treatment planning can be carried out both manually and with a computer, and both aspects are

considered in Chapter 53 and Chapter 54, respectively. Finally, in Chapter 55 there is a section

on the radiobiology of brachytherapy that has a number of considerations that are peculiar to

this form of treatment. Brachytherapy can be time consuming for the Radiation Oncologist

and for this reason its use had declined. However, with the availability of afterloading systems

that allow optimisation of the dose distribution by the use of stepping sources (see Chapter 52)

interest is growing again (Mazeron 2005, Hoskin and Bownes 2006, Guedea et al. 2007).

Bentzen et al. (2005) identified the need for more work to be done on the requirements

for brachytherapy and this was the motivation for the patterns of care study reported by

Guedea et al. (2007), which identified the need for more brachytherapy resources.

Brachytherapy is the ultimate in conformal therapy especially with the possibilities for optimi-

sation that are increasingly becoming available. However, no optimisation technique can

overcome the problem of an implant that misses the intended target geometrically and it is

important that physicists involved in brachytherapy have a firm grounding in the experience of

the more traditional techniques so that the hazards of stepping outside the traditional frame-

work are fully understood.