JDMS Article - SDMS CME Credit

Article: The Effectiveness of Identifying Primary Gallbladder Adenocarcinoma Utilizing Contrast-Enhanced Ultrasound: A Case Report

Authors: Talisha M. Hunt, BSRT, RDMS, RVT, RDCS, Michelle R. Waletzko, BSRT(R), RDMS, RVT, John M. Knudsen, MD, Thomas D. Atwell, MD, and Nadia M. Chupka, BS, RDMS, RVT

Category: Abdomen [AB]

Credit: 1.0 SDMS CME Credit

Objectives: After studying the article entitled “The Effectiveness of Identifying Primary Gallbladder Adenocarcinoma Utilizing Contrast-Enhanced Ultrasound: A Case Report,” you will be able to:

1. Identify contrast-enhanced ultrasound (CEUS) protocols in diagnosing gallbladder carcinoma (GBC)

2. Describe the prevalence and characteristics of GBC

3. Recognize the sonographic findings of GBC

1. Adenocarcinoma accounts for _____ of GB cancers.

2. 30% to 47%

3. 15% to 47%

4. 3% to 20%

Doppler techniques have shown a sensitivity and specificity of around _____ in diagnosing GBC.

20%

37%

65%

80%

Adenocarcinoma of the GBC is the _____ most common malignancy in the gastrointestinal tract.

Third

Fourth

Fifth

Sixth

The most reliable imaging characteristic of CEUS for GBC is:

Hyperenhancement and rapid washout within 35 seconds

Gallbladder wall destruction

Linear or branched intralesional vessels

Tortuous-type tumor vessel

To prevent microbubble destruction, a _____-gauge needle is preferred for intravenous contrast administration.

16

18

20

24

The overall 5-year survival rate for GBC is less than _____.

5%

22%

38%

75%

The only ultrasound contrast agent approved by the United States Federal Drug Administration in adults and pediatrics for abdominal application is:

SonoVue

Definity

Optison

LUMASON