"X-ray artifacts can present in various ways, including abnormal shadows noted on a radiograph or degraded image quality, and have been produced by artificial means from hardware failure, operator error and software (post-processing) artifacts."
Expected headings
"Common artifacts (all forms of radiography)"
"Film radiography artifacts"
"Common artifacts in computed and direct digital radiography"
"Computed radiography artifacts"
"Direct digital radiography artifacts"
"There are common and distinct artifacts for film, computed (CR) and direct digital radiography (DR)."
"radiopaque objects on/external to the patient (e.g. jewellery (e.g. necklaces, piercings), clothing (e.g. buttons), hair (e.g. ponytail, hair braids)"