The MediSPECT Small Animal CdTe Scanner View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

2009

AUTHORS

M. C. Montesi , G. Mettivier , A. S. Curion , A. Lauria , P. Russo

ABSTRACT

We present in vivo tomographic 125I imaging of a mouse thyroid acquired with MediSPECT, a scanner developed at University & INFN Napoli, for SPECT studies on small animals with a small field of view (FoV) and high spatial resolution. MediSPECT is based on a fine pitch CdTe pixel detector, operating in single photon counting, (14×14 mm2, 256×256 square pixel of 55 μm side) and equipped with a high resolution collimators set. The 72 planar projections of a mouse thyroid (injected activity 31.8 MBq) for SPECT reconstruction have been acquired using a 300 μm tungsten pinhole (magnification 1.47 and a FoV of 9.6×9.6 mm2). A C software based on Ordered Subsets-Expectation Maximization (OSEM) algorithm has been used for SPECT reconstructions. The spatial resolution with the 300 μm pinhole is, in planar imaging, about 0.5 mm and, in tomographic imaging, about 1 mm. The MediSPECT scanner has a modular structure that allows for multimodal imaging: at present, a Fluorescence Reflectance Imaging head has been installed, for planar optical imaging in addition to SPECT imaging. More... »

PAGES

566-568

Book

TITLE

World Congress on Medical Physics and Biomedical Engineering, September 7 - 12, 2009, Munich, Germany

ISBN

978-3-642-03878-5
978-3-642-03879-2

Author Affiliations

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-3-642-03879-2_158

DOI

http://dx.doi.org/10.1007/978-3-642-03879-2_158

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1048322862


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