PMID: 3759542Oct 1, 1986Paper

Interstitial microwave hyperthermia in a canine brain model

International Journal of Radiation Oncology, Biology, Physics
P K SneedP H Gutin

Abstract

A dual frequency microwave system was constructed for interstitial heating of brain tissue. Single-junction dipole antennas were tested in a phantom model and in normal dog brain to determine how variations in physical factors affected temperature distributions. Non-survival studies were performed at both 915 and 2450 MHz to determine heating patterns that could be achieved within normal brain using this system. Chronic survival studies were performed using a single dipole antenna inserted laterally into one hemisphere of brain and driven at 2450 MHz. Temperatures of 43 or 44 degrees C for 30 min at a reference point 0.5 cm from the antenna junction were used to induce a thermal lesion of approximately 1 cm diameter in the right cerebral hemisphere of dogs. Neurologic and physical changes in dogs were monitored daily for up to 16 weeks after induction of cerebral lesions. The extent and development of thermal lesions was monitored with weekly computed tomographic (CT) examinations and, after death, at histopathologic examination. Results of the phantom studies showed that the longitudinal heating pattern was bell-shaped at both frequencies used and that there was some variation in heating length that depended on insertion depth...Continue Reading

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Citations

Oct 1, 1995·Journal of Neuro-oncology·C J MoranN E Fearnot
Jul 19, 2002·Neuroscience·M J OglesbeeM Podell
Jan 1, 1992·International Journal of Radiation Oncology, Biology, Physics·P K SneedD K Ahn
Dec 1, 1990·International Journal of Radiation Oncology, Biology, Physics·B SteaJ Seeger
Apr 1, 1991·International Journal of Radiation Oncology, Biology, Physics·T P RyanC T Coughlin
Apr 3, 2016·Medical Physics·Nava Raj PaudelE Ishmael Parsai
Jul 14, 2005·International Journal of Developmental Neuroscience : the Official Journal of the International Society for Developmental Neuroscience·R G Ahmed
Jul 29, 2005·International Journal of Hyperthermia : the Official Journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group·J HavemanM C C M Hulshof
Jan 1, 1994·International Journal of Hyperthermia : the Official Journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group·P SminiaJ Haveman
Feb 28, 2004·Journal of Biomechanical Engineering·Daniel M ReindersJoel L Bert
Jan 1, 1989·International Journal of Hyperthermia : the Official Journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group·P SminiaJ Haveman
Mar 1, 1989·International Journal of Hyperthermia : the Official Journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group·A G VisserG C van Rhoon
Sep 1, 1988·International Journal of Hyperthermia : the Official Journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group·T Satoh, P R Stauffer
Jan 1, 1989·International Journal of Hyperthermia : the Official Journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group·P SminiaB W Ongerboer de Visser
Feb 11, 2000·International Journal of Hyperthermia : the Official Journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group·S Y LeeC W Song
Jun 12, 1999·International Journal of Hyperthermia : the Official Journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group·S TakahashiH Takahashi
Oct 16, 1999·International Journal of Hyperthermia : the Official Journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group·D E ThrallE L Gillette
Sep 1, 1991·International Journal of Hyperthermia : the Official Journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group·J R FikeP R Stauffer

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