EDITORIAL
Low dose spiral CT screening for lung cancer
Is screening for lung cancer using low dose spiral CT scanning worthwhile?
Correspondence to:
Dr F V Gleeson
Radiology Department, Churchill Hospital, Oxford Radcliffe Hospitals NHS Trust, Oxford OX3 7LJ, UK; fergus.gleeson@radiology.ox.ac.uk
The benefits of low dose spiral CT scanning in screening for lung cancer are still under debate
Keywords: smoking; lung cancer; screening; low dose CT scanning
| The first 150 words of the full text of this article appear below. |
Intuitively, lung cancer screening using low dose spiral chest computed tomographic (LDCCT) scanning would seem a good bet as it appears to fulfil the necessary criteria for a successful screening programme.1 Lung cancer is very prevalent; it may be readily detected when asymptomatic using LDDCT; it may be cured at an early stage by surgical intervention; and, taking into consideration the lack of success and the possible costs of investigation and treatment in symptom detected patients, screening with LDDCT might prove to be cost effective. For LDDCT scanning to be an effective screening tool it must neither lead to an overdiagnosis bias nor to significant morbidity in patients with a false positive screen.
The detection of clinically unimportant disease for a particular patient—or overdiagnosis bias—has been postulated as the possible cause for the failure of one of the most analysed chest radiography
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