Abstract
Article: Ultrasonographic Evaluation of Large-Bowel Obstruction With Fecal Impaction: A Case Report
Authors: Koichi Yabunaka, PhD, Tatsuo Yamamoto, MD, Hiroko Nakahira, MD, Noriyuki Hayashi, MD, Yoshiteru Ohno, MD, Masayo Matsuzaki, PhD, and Toshizo Katsuda, PhD
Category: Abdomen [AB]
Credit: 0.5 SDMS CME Credit
Objectives: After studying the article entitled “Ultrasonographic Evaluation of Large-Bowel Obstruction With Fecal Impaction: A Case Report,” you will be able to:
Describe the normal and abnormal sonographic findings of bowel
Discuss prevalent patient populations affected with large bowel obstruction (LBO)
Identify anatomic bowel segments
On average, the maximum diameter of the ascending colon lumen is? 4 cm 5 cm 6 cm 7 cm
Fecal impaction (FI) is a common occurrence in all age groups but is significantly increased in? Infants Children Incapacitated patients The elderly
The sonographic appearance of solid fecal material to diagnose constipation can be characterized as? Crescent-shaped acoustic shadows with haustrations Marked dilatation with water-soluble feces. Flattened outer boundary wall with acoustic shadows. Normal peristalsis without fluid or hard stool retention
The _______ colon can be easily detected by ultrasound because it is anchored to the retroperitoneum. Sigmoid Transverse Hepatic Ascending