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A Journal on Nuclear Medicine and Molecular Imaging
Affiliated to the and to the International Research Group of Immunoscintigraphy
Indexed/Abstracted in: Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index (SciSearch), Scopus
Impact Factor 2,413
Online ISSN 1827-1936
Lewis J. S., Welch M. J.
From the Mallinckrodt Institute of Radiology Washington University School of Medicine St. Louis, MO, USA
Hypoxia in tumors has been related to poor response to conventional therapies. This paper will discuss the methods, both invasive and non-invasive, used to determine hypoxia levels within tumors. PET imaging with two lead compounds 18F-fluoromisonidazole (18FMISO) and Cu(II)-diacetyl-bis(N4-methylthiosemicarbazone (Cu-ATSM) and their relative effectiveness in delineating hypoxic regions will be discussed. The advantages of Cu-ATSM-PET over existing imaging agents will be discussed along with its potential application as a direct- and/or surrogate marker for the determination of oncological hypoxia in vivo.