11 Lip and buccal mucosa

Lip and buccal mucosa

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THE GEC ESTROHANDBOOKOF BRACHYTHERAPY | Part II Clinical Practice Version 1 - 10/05/2019

Fig 2a-b: Interstitial implant with two inserted needles and one outside with bolus material for the time of the session.

Fig 1: Needle implant of the lip for HDR- / PDR-brachytherapy, in an equilateral triangular configuration with templates.

Fig. 4. Seven needle implant; only three were inserted; the oth- er needles were placed outside tissue just before each fraction, after bolus placement.

Fig. 3. Distribution of needles arrayed in templates with equilateral triangles.

Fig 5: Plastic tubes implant for HDR- or PDR-brachytherapy as a boost after EBRT.

Fig 9: A single plane horizontal implant as a HDR-BT boost after EBRT.

Fig 8: Carcinoma of the anterior part of the buccal mucosa with extension to the labial commissure. Two planes are necessary to cover the posterior part of the CTV, one only for the anterior part.

Fig 6: Plastic-tube technique: the dimensions of the tumour projected on the skin surface of the cheek are checked accord- ing to the positioning of the metallic needles.

Fig 10: Double plane implant with eight needles as exclusive HDR-BT.

Fig 7: Classical plastic tube implant: four lines equidistant and parallel maintained in position by a perforated catheter.