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Radiographic Film Artifacts

What Is An Artifact?. Any optical density that is not anatomyAn unwanted density on the radiographInterferes with diagnosis. There Are Three Time Periods In Which Artifacts Can Occur. During exposureDuring processingDuring film handling, prior to processing, loading cassette, or storing. Exposure Artifacts.

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Radiographic Film Artifacts

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    1. Radiographic Film Artifacts DMI 50B Kyle Thornton

    3. There Are Three Time Periods In Which Artifacts Can Occur During exposure During processing During film handling, prior to processing, loading cassette, or storing

    4. Exposure Artifacts Poor screen-film contact Improper use/positioning of a grid Double exposure Patient motion Poor patient preparation Clothing, jewelery, glasses, belts, etc.

    5. Processing Artifacts Dirty Rollers Will leave deposits on film Areas of increased or reduced density Occasionally some sludge may not be washed off and dried onto the film Chemical Fog Improper or inadequate chemistry Leaves a uniform dull gray haze on the film May also be seen in two different colors Referred to as dichroic stain

    6. Guide Shoe and Roller Marks Guide shoes are sprung or improperly positioned The ridges in the guide shoe press against the film leaving an artifact Pi-lines Dirt or stain on a roller 3.14 inches apart Pressure marks Irregular or dirty rollers Small, circular patterns are produced

    7. Handling And Storage Artifacts Light or Radiation Fog White light streaks Safelight too close or wrong wattage Film left in x-ray room during exposure

    8. Kink Marks Improper handling or storage Appears as a fingernail mark

    9. Static Caused by buildup of electrons in the emulsion Three types of static artifacts Crown Tree Smudge

    10. Hypo Retention Yellowish stain that appears on finished radiograph Due to inadequate washing Remaining thiosulfate from fixer solution

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