SAR distributions in interstitial microwave antenna arrays with a single dipole displacement

The use of interstitial microwave antenna array hyperthermia (IMAAH) as a treatment for cancer, in conjunction with radiation therapy and chemotherapy, has been investigated widely. The heating pattern produced by a coherently phased 915 MHz asymmetric antenna array displays the maximum power deposi...

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Bibliographic Details
Published in:IEEE transactions on biomedical engineering 1993-09, Vol.40 (9), p.925-932
Main Authors: Clibbon, K.L., McCowen, A., Hand, J.W.
Format: Article
Language:English
Subjects:
Antenna arrays
Biological and medical sciences
Biomedical applications of radiation
Cancer
Computer Simulation
Dipole antennas
Electromagnetic Fields
Electromagnetic heating
Equipment Design
Heat treatment
Humans
Hyperthermia
Hyperthermia, Induced - instrumentation
Medical sciences
Microwave antenna arrays
Microwaves - therapeutic use
Models, Biological
Neoplasms
Neoplasms - therapy
Phased arrays
Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)
Technology. Biomaterials. Equipments. Material. Instrumentation
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Summary:The use of interstitial microwave antenna array hyperthermia (IMAAH) as a treatment for cancer, in conjunction with radiation therapy and chemotherapy, has been investigated widely. The heating pattern produced by a coherently phased 915 MHz asymmetric antenna array displays the maximum power deposition in the array center. The authors report on the effect of variable insertion depth between antennas of an array on the heating patterns produced. The study of this heating behavior demonstrates a similar effect to that of the variably phased arrays, showing a shift of the heating peak towards the periphery of the tumor, offering a more simple method for the clinical treatment of such tumors.< >
ISSN:0018-9294
1558-2531
DOI:10.1109/10.245614