CTICasesDigital Radiography Backscatter Artifact
Cite this case
[...]. Digital Radiography Backscatter Artifact. CTICases. Published January 7, 2022. https://str-case-explorer.pages.dev/c/pms92
Imaging findings
Chest radiograph in an obese patient shows an artifact resembling electronic circuitry or metal grids superimposed over the lower lung zones.
Key takeaways
Backscatter artifact occurs in digital radiography when high-exposure X-rays penetrate the patient and the cassette, reflecting off the metal components of the detector housing or wall stand back onto the imaging plate, producing a shadow of the detector's internal electronics.
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