Characterizing tumors using metabolic imaging: PET imaging of cellular proliferation and steroid receptors.

Abstract:

:Treatment decisions in oncology are increasingly guided by information on the biologic characteristics of tumors. Currently, patient-specific information on tumor biology is obtained from the analysis of biopsy material. Positron emission tomography (PET) provides quantitative estimates of regional biochemistry and receptor status and can overcome the sampling error and difficulty in performing serial studies inherent with biopsy. Imaging using the glucose metabolism tracer, 2 -deoxy-2- fluoro-D-glucose (FDG), has demonstrated PET's ability to guide therapy in clinical oncology. In this review, we highlight PET approaches to imaging two other aspects of tumor biology: cellular proliferation and tumor steroid receptors. We review the biochemical and biologic processes underlying the imaging, positron-emitting radiopharmaceuticals that have been developed, quantitative image-analysis considerations, and clinical studies to date. This provides a basis for evaluating future developments in these promising applications of PET metabolic imaging.

journal_name

Neoplasia

authors

Mankoff DA,Dehdashti F,Shields AF

doi

10.1038/sj.neo.7900075

keywords:

subject

Has Abstract

pub_date

2000-01-01 00:00:00

pages

71-88

issue

1-2

eissn

1522-8002

issn

1476-5586

journal_volume

2

pub_type

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