Design of intracavitary microwave applicators for the treatment of uterine cervix carcinoma

Li, D. J.; Chou, Chung‐Kwang; Luk, Kenneth H.; Wang, J. H.; Xie, C.; McDougall, Jean A.; Huang, Gwo-Che

doi:10.3109/02656739109056439

Cited by 11 publications

(1 citation statement)

References 17 publications

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“…The typical clinical applications of ICHT include malignant tumours of the prostate (Mendecki et al 1980, Fabre et al 1988, the oesophagus (Kochegarox et al 1981, Li et al 1982, Astrahan et al 1989, Sugimachi and Matsuda 1990, Zhang et al 1990, Hurter et al 1991and Liu et al, 1991, the trachea and bronchus (Leybovich et al 1987), the rectum (Li et al 1984 andBerdov andMenteshasvili 1990), the biliary duct (Wong et al 1988), the bladder (Bichler et al 1990), the cervix (Hand et al 1982, Schorcht et al 1989, Roos et al 1989and Li et al 1991) and the vagina (Li et al 1984, Valdagni et al 1988, Sorbe et al 1990, Zhong et al 1990and Li et al 1991. The treatment of non-malignant diseases like benign prostate hyperplasia (BPH) (Astrahan et al 1989, Baert et al 1990and Sapozink et al 1990) and functional menorrhagia (Phipps et al 1990) has been another interesting and increasing field for the clinical application of intracavitary hyperthermia.…”

Section: Introductionmentioning

confidence: 98%

A new microwave applicator with integrated cooling system for intracavitary hyperthermia of vaginal carcinoma

Roos¹,

Seegenschmiedt

Klautke

et al. 1996

International Journal of Hyperthermia

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An improved design of a previously described intracavitary microwave hyperthermia applicator is presented. The applicator consists of a coaxial choke antenna designed to be positioned into a perspex obturator. The antenna can be fitted in the obturator in three defined positions depending on the specific clinical situation: the selected median, paramedian or lateral position can each provide differently directed heating patterns. This feature combined with the additional axial variability of the antenna position within the obturator can lead to a highly targeted heating of tumours and a reduced risk of unwanted heating of normal tissues. Various phantom studies were conducted using both liquid and solid phantoms. The saline phantom was used to check the typical action of the choke of the antenna where it was found that the antenna choke is efficiently working resulting in a heating pattern which is dependent of the insertion depth of the antenna. The solid phantom was used to measure the typical specific absorption rate (SAR) distribution of each antenna/obturator configuration.

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