Chapter 12

Standardization of 123I-meta-iodobenzylguanidine Heart-To-Mediastinum Ratio: Technical Aspects

Koichi Okuda, Kenichi Nakajima, Chiemi Kitamura and Yumiko Kirihara


The heart-to-mediastinum ratio (HMR) in planar images has been used for the evaluation of cardiac 123I-meta-iodobenzylguanidine (MIBG) uptake. However, the HMR values are influenced by both collimators and the cardiac and mediastinal regions of interests (ROI). Two technical developments in semi-automated ROI setting software and a calibration method for HMR values were described in this article.

Total Pages: 222-226 (5)

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