;;JvevvsIine@@ Page 1 BEIRVReport T he National Research Coun cil's fifth Committee on
the Biological Effects of Ionizing Radiation(BEW) issued a reportin December that estimates …

TO THE EDITOR: In recent times, there has been concern about the harmful effects of
radiation from diagnostic procedures such as CT. The BEIR VII report (1) invoked data …

Given the central roles that anatomical and functional imaging now play in medical practice,
there have been concerns about the increasing levels of radiation exposure and their …

TO THE EDITOR: The lead article, by Siegel et al.(1), in the January 2017 issue of The
Journal of Nuclear Medicine is brilliant, timely, and scientifically superb. Unfortunately, the …

1262 Learning Objectives 1. To understand the difference between specificity and positive
predictive value as they relate to statistical significance. 2. To be able to calculate the …

The fallacy of the LNTH also partly, if not significantly, fuels the impetus of the ongoing
PET/MR imaging initiative, based in part on avoiding the toxicity of the CT radiation dose …

REPLY: Despite their critical nature, we very much appreciate the comments by Dr. Marcus
and Drs. Siegel and Sacks on our Invited Perspective (1). We further appreciate the …

As principal investigators of the mortality and cancer incidence study of Australian
participants in the British nuclear tests [1–4], we have read the recent update of the study of …

—Dennis Gabor The sensitivity of mammography in detecting breast abnormalities is close
to 90%; the specificity in detecting breast cancer is, conversely, as low as 50%. In current …

Abstract Castronovo FP Jr. An attempt to standardize the radiodiagnostic risk statement in an
Institutional Review Board consent form. Invest Radiol 1993; 28: 533–538. RATIONALE …