Tag Archives: extracolonic cancers

CT Colonography Finds Cancers Outside the Colon

Looking at more than 10,000 screening CT colonography or virtual colonoscopy exams, doctors found cancers in 1 in every 200 patients, but more often those cancers were not colorectal cancer, but unsuspected cancer found outside the colon. The tests found 22 colorectal cancers (1 in every 500 patients examined) and 36 other cancers (1 in every 300 patients.)  More than half were found at an early stage I.  After an average follow-up time of 30 months, only 3 patients had died of cancer. Renal cell cancer was the most frequent extracolonic cancer, discovered in 11 patients who didn’t have symptoms.  Eight lung cancers were also found along with six cases

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