Lens Dose Reduction by Patient Posture Modification During Neck CT | Zendy

E Mosher | Zendy; John A. Butman | Zendy; Les Folio | Zendy; Nadia Biassou | Zendy; Choonsik Lee | Zendy

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Lens Dose Reduction by Patient Posture Modification During Neck CT

Author(s) -

E Mosher,

John A. Butman,

Les Folio,

Nadia Biassou,

Choonsik Lee

Publication year - 2018

Publication title -

american journal of roentgenology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.294

H-Index - 196

eISSN - 1546-3141

pISSN - 0361-803X

DOI - 10.2214/ajr.17.18261

Subject(s) - medicine , cataracts , head and neck , nuclear medicine , lens (geology) , tilt (camera) , reduction (mathematics) , radiation dose , surgery , ophthalmology , optics , mechanical engineering , physics , geometry , mathematics , engineering

Radiation exposure of the lens during neck CT may increase a patient's risk of developing cataracts. Radiologists at the National Institutes of Health worked with technicians to modify the neck CT scanning procedure to include a reduction in the scanning range, a reduction in the tube potential (kilovoltage), and a change in neck positioning using a head tilt. We objectively quantified the organ dose changes after this procedure modification using a computer simulation.

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