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Coward, J; Nightingale, JM; Hogg, P (2016)
Publisher: Society of Nuclear Medicine (America)
Languages: English
Types: Article
Incidental findings are common in medical imaging. There is a particularly high\ud prevalence of incidental findings within the thorax, the most frequent being\ud pulmonary nodules. Whilst pulmonary nodules have the potential to be\ud malignant, the vast majority will be benign, resulting in a high number of falsepositive\ud findings. Low-resolution CT images produced during attenuation\ud correction (AC) during single-photon emission tomography (SPECT) are\ud essentially a by-product of the process. The high number of false-positive\ud incidental findings detected on CTAC images causes a reporting dilemma. Early\ud detection of cancer can be beneficial but false-positive findings and over\ud diagnosis can be detrimental to the patient. CTAC images are not diagnostic\ud quality and further diagnostic tests are usually necessary for definitive diagnosis\ud to be reached. Given the high number of false-positive findings, the\ud psychological effects and harms to the patient should be given consideration.\ud This review recommends that caution should be taken when routine reporting of\ud CTAC images occurs.

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