Image Wisely, a joint initiative of ACR, RSNA, ASRT and AAPM, provides information to the medical community to promote radiation safety in medical imaging.

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

CE and CME currently unavailable

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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