A better understanding of the risks and benefits of extracolonic findings and radiation dose
will aid in the safe and proper implementation of CT colonography in clinical practice. The …

For much of the past 2 decades, computed tomography (CT) colonography (CTC) has fought
an uphill battle to become an accepted option for colorectal screening. One of the major …

The red secTion 2129 going screening CT colonography (33). Unsuspected cancer was
found in 0.56% and included CRC, identified in 0.21%, as the most common type of …

OBJECTIVE. CT colonography (CTC) has been fully validated as an accurate screening test
for colorectal carcinoma and is being disseminated globally. There is an abundance of new …

Computed tomographic (CT) colonography has been advocated as an alternative colorectal
screening method because studies in populations with a high prevalence of polyps have …

Background CT colonography (virtual colonoscopy) is a new technique being offered to
patients as a noninvasive method of imaging the colon. The aims of this study were to …

I have greatly enjoyed reading the recent sensible and practical article on the issue of
radiation safety [1]. Despite the known risks, imaging using x-rays provides unique and …

OBJECTIVE. Extracolonic findings at screening CT colonography (CTC) represent imaging
findings incidentally detected outside the colon and rectum. Confusion regarding rates …

Dr Brenner and Mr Ellison were kind enough to respond to some of my concerns in the
March 2005 issue of Radiology (1). Unfortunately, their responses raise additional questions …

RATIONALE AND OBJECTIVES: Radiation dose is an important drawback of computed
tomography (CT) colonography, especially for its use as a screening tool for colorectal …