Round CT film static artifacts: simulation of focal pathology

Spot-like or smudge-like film artifacts produced by static electric discharges may mimic lesions when superimposed on filmed CT images. These artifacts are typically round with a dark center that fades peripherally. Automatic film loading, low atmospheric humidity, and dirty film cassettes increase...

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Veröffentlicht in:	Journal of computer assisted tomography 1989-07, Vol.13 (4), p.730-731
Hauptverfasser:	WILBUR, A. C, KRIZ, R. J
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Diagnosis, Differential Humans Investigative techniques, diagnostic techniques (general aspects) Liver Abscess - diagnostic imaging Liver Neoplasms - diagnostic imaging Medical sciences Miscellaneous. Technology Radiodiagnosis. Nmr imagery. Nmr spectrometry Tomography, X-Ray Computed - standards X-Ray Film - standards
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Beschreibung
Zusammenfassung:	Spot-like or smudge-like film artifacts produced by static electric discharges may mimic lesions when superimposed on filmed CT images. These artifacts are typically round with a dark center that fades peripherally. Automatic film loading, low atmospheric humidity, and dirty film cassettes increase production of these artifactual pseudolesions. Misdiagnosis is prevented by familiarity with the artifacts' appearance and review of images on the viewing console.
ISSN:	0363-8715 1532-3145
DOI:	10.1097/00004728-198907000-00041