NDLI: Three dimensional ultrasonic monitoring of interstitial thermal tumor therapies: in vivo results

Content Provider	IEEE Xplore Digital Library
Author	Lemor, R.M. Hoss, M. Peter, L. Weiss, E.C. Tretbar, S.H. Cappius, H.-J. Germer, C.T.
Copyright Year	2003
Description	Author affiliation: Fraunhofer-Inst. for Biomed. Technol., St. Ingbert, Germany (Lemor, R.M.; Hoss, M.; Peter, L.; Weiss, E.C.; Tretbar, S.H.)
Abstract	One of the most important problems of interstitial thermal therapies of liver metastases is the non-invasive localization and measurement of the coagulated volume. In this study we propose to use three dimensional (3-D) information to evaluate the precision of ultrasound monitoring of thermal tumour therapies under in vivo conditions. For evaluation 3D reconstructions of optical thin slice data of the coagulation volume are compared to 3D-reconstructions of attenuation change ultrasound datasets. The derivation of differential attenuation volumes is performed. The co registration of both volumes is possible. Motion artefacts can be overcome. The results of 3 dimensional ultrasound monitoring of Nd:YAG laser induced (LITT) and radio frequency induced (RFITT) coagulation within in vivo pig liver specimen are presented. The comparison of ultrasonically and optically measured 3D-coagulation volumes show good geometric agreement.
Starting Page	1284
Ending Page	1287
File Size	127486
Page Count	4
File Format	PDF
ISBN	0780379225
DOI	10.1109/ULTSYM.2003.1293137
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-10-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Monitoring Neoplasms Medical treatment In vivo Optical attenuators Ultrasonic imaging Liver Volume measurement Ultrasonic variables measurement Coagulation
Content Type	Text
Resource Type	Article

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