CT protocols in interstitial lung diseases - A survey among members of the European Society of Thoracic Imaging and a review of the literature

Helmut Prosch, Cornelia M. Schaefer-Prokop, Edith Eisenhuber, Daniela Kienzl, Christian J. Herold

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: The aim of this study was to survey the current CT protocols used by members of the European Society of Thoracic Imaging (ESTI) to evaluate patients with interstitial lung diseases (ILD). Methods: A questionnaire was e-mailed to 173 ESTI members. The survey focussed on CT acquisition and reconstruction techniques. In particular, questions referred to the use of discontinuous HRCT or volume CT protocols, the acquisition of additional acquisitions in expiration or in the prone position, and methods of radiation dose reduction and on reconstruction algorithms. Results: The overall response rate was 37 %. Eighty-five percent of the respondents used either volume CT alone or in combination with discontinuous HRCT. Forty-five percent of the respondents adapt their CT protocols to the patient's weight and/or age. Expiratory CT or CT in the prone position was performed by 58 % and 59 % of the respondents, respectively. The number of reconstructed series ranged from two to eight. Conclusion: Our survey showed that radiologists with a special interest and experience in chest radiology use a variety of CT protocols for the evaluation of ILD. There is a clear preference for volumetric scans and a strong tendency to use the 3D information. Key Points: • Experienced thoracic radiologists use various CT protocols for evaluating interstitial lung diseases. • Most workers prefer volumetric CT acquisitions, making use of the 3D information • More attention to reducing the radiation dose appears to be needed

Original languageEnglish (US)
Pages (from-to)1553-1563
Number of pages11
JournalEuropean radiology
Volume23
Issue number6
DOIs
StatePublished - Jun 1 2013

Keywords

  • Interstitial lung diseases
  • Multidetector computed tomography
  • Radiation dosage
  • Survey
  • Volumetric computed tomography

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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