Window and level settings

Thomas Hartman

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Imaging description Window and level settings can significantly affect the appearance of CT images. Therefore, over time, relatively standard window and level settings have been established for evaluation of the lungs, soft tissues, and bones. However, there are occasions when alteration of the window and level settings may be helpful in diagnosis of disease. Alteration of window and level settings may be helpful in detecting pulmonary emboli [1]. When the contrast bolus is very dense, small emboli may be obscured on a standard soft tissue (mediastinal) window and level setting (Figure 82.1). By narrowing the window and level settings, the embolus can be more easily detected (Figure 82.1). Narrow CT window widths can also be useful in detecting subtle emphysema [2, 3]. However, care must be taken in evaluating other structures in the chest since narrow CT window widths – especially when combined with low level settings – can simulate the appearance of infiltrative lung disease or bronchial wall thickening [2, 3].

Original languageEnglish (US)
Title of host publicationPearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses
PublisherCambridge University Press
Pages214-215
Number of pages2
ISBN (Print)9780511977701, 9780521119078
DOIs
StatePublished - Jan 1 2011

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Embolism
Lung
Emphysema
Lung Diseases
Thorax
Bone and Bones

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Hartman, T. (2011). Window and level settings. In Pearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses (pp. 214-215). Cambridge University Press. https://doi.org/10.1017/CBO9780511977701.083

Window and level settings. / Hartman, Thomas.

Pearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses. Cambridge University Press, 2011. p. 214-215.

Research output: Chapter in Book/Report/Conference proceedingChapter

Hartman, T 2011, Window and level settings. in Pearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses. Cambridge University Press, pp. 214-215. https://doi.org/10.1017/CBO9780511977701.083
Hartman T. Window and level settings. In Pearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses. Cambridge University Press. 2011. p. 214-215 https://doi.org/10.1017/CBO9780511977701.083
Hartman, Thomas. / Window and level settings. Pearls and Pitfalls in Thoracic Imaging: Variants and Other Difficult Diagnoses. Cambridge University Press, 2011. pp. 214-215
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