16 Cervix Carcinoma

Cervix Cancer 317

the vagina after it has solidified by the help of the strips of gauze. There is no need for any kind of anaesthesia.This cervico-vaginal impression allows the visualisation of tumour topography to later guide the positioning of the catheter for the radioactive sources. Acrylic mould fabrication: submersion of the cervico-vaginal impression into liquid plaster; splitting the dry plaster into two parts; varnishing the internal surface of the two halves; spreading the surface with liquid, synthetic, autopolymerized resin distributed in a thin layer; removal of the rough hollow applicator after drying.

Fig 14.9: IGR Technique: Individual mould applicator

A: Cervico-vaginal impression showing clearly the exocervical tumour volume with an extension to the right

lateral vaginal wall (stage IIA). B: Introduction into liquid plaster.

C: The definitive applicator

D:. Applicator insertion