Edge of film error
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At the time the article was created Henry Knipe had no recorded disclosures.View Henry Knipe's current disclosures
At the time the article was last revised Andrew Murphy had no recorded disclosures.View Andrew Murphy's current disclosures
Edge of film errors, also known as corner of film errors, are a classical perceptual error in radiology where a pertinent finding, whether incidental or not, is at the margin or edge of the image.
It is now used for all modalities, in both a literal sense, i.e. actually at the edge of the image, or more metaphorically, perhaps just the last slice in an image series or only seen on a single MRI localizer image.
Under the Renfrew classification of errors in radiology, these errors are generally thought to be "type 4: under-reading", although it could also be argued that in some cases they are also "type 9: location", i.e. outside the area of interest 3.
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