Image Wisely is a joint initiative of the American College of Radiology, Radiological Society of North America, American Society of Radiological Technologists and American Association of Physicists in Medicine.

Case 1: CT Dose and Size-Specific Dose Estimate (SSDE)

Explains common CT dose terms along with their proper usage and limitations.

Authors: M. Supanich, M; D. Peck

Target Audience: Radiologists, radiologic technologists and medical physicists working with computed tomography

This educational activity is free.

Learning Objectives
Upon completion of this case, the participant will be able to:

  1. Understand how CTDI and DLP are used
  2. Understand the limitations in these values with different size patients
  3. Understand the method used to determine the Size Specific Dose Estimate (SSDE)
  4. Understand the limitations in the use of SSDE

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medically necessary imaging studies and to eliminate unnecessary procedures

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