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Critical Reviews™ in Biomedical Engineering
SJR: 0.26 SNIP: 0.375 CiteScore™: 1.4

ISSN Печать: 0278-940X
ISSN Онлайн: 1943-619X

Выпуски:
Том 48, 2020 Том 47, 2019 Том 46, 2018 Том 45, 2017 Том 44, 2016 Том 43, 2015 Том 42, 2014 Том 41, 2013 Том 40, 2012 Том 39, 2011 Том 38, 2010 Том 37, 2009 Том 36, 2008 Том 35, 2007 Том 34, 2006 Том 33, 2005 Том 32, 2004 Том 31, 2003 Том 30, 2002 Том 29, 2001 Том 28, 2000 Том 27, 1999 Том 26, 1998 Том 25, 1997 Том 24, 1996 Том 23, 1995

Critical Reviews™ in Biomedical Engineering

DOI: 10.1615/CritRevBiomedEng.2017020236
pages 293-318

Review of the Dielectric Properties of Animal and Human Tumors Determined from In Vivo Measurements

Everette C. Burdette
Acoustic Medsystems, 208 Burwash Ave., Savoy, IL 61874
Joseph Seals
Acoustic Medsystems, 208 Burwash Ave., Savoy, IL 61874
Stephen P. Auda
The Breast Health Clinic, 325 North Jeff Davis Drive, Fayetteville, GA 30214
Aishwarya D. Ambhire
Department of Bioengineering, University of Illinois at Chicago, Chicago, IL 60607
Richard L. Magin
Diagnostic Imaging System Group (DIS), Richard and Loan Hill Department of Bioengineering, University of Illinois at Chicago, 851 South Morgan Street, Chicago, IL 60607, USA

Краткое описание

In this article, we combine a review of the wide range of tissue dielectric studies and applications (e.g., safety, imaging, therapy) being pursued by the bioelectromagnetics community with a description of one specific application of dielectric measurements (in vivo tumor classification). The tumor measurements were acquired over a frequency range of 0.01–4.0 GHz using a technique based on the impedance change recorded by a short antenna when placed near or in a lossy dielectric. Substantial differences (up to 300%) were found between the dielectric properties of tumors (mammary adenocarcinoma, melanoma, lung carcinoma, glioblastoma and ependymoblastoma) and normal host tissues. Such differences reflect the known heterogeneity of abnormal cell growth in cancer. In addition, in vivo human measurements of breast carcinoma, normal skin and breast tissue indicate that a maximum differential power absorption (30% higher in tumor) occurs between 1.0 and 2.0 GHz. This information, when combined with tumor size, geometry, and anatomical location, enable the design and development of effective systems for the detection of tumors and for electromagnetically induced differential hyperthermia treatment. Finally, we also discuss these results in the context of other impedance and dielectric approaches used to characterize normal and neoplastic cells and tissues.


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