Abstract
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Define fecalomas and their clinical significance.
Describe how ultrasound may be useful to help diagnose fecalomas.
Identify the distinguishing imaging characteristics of fecalomas on computed tomography (CT) and ultrasonography (US).
1. According to the article, where do fecalomas predominantly occur? A. Rectosigmoid colon B. Descending colon C. Transverse colon D. Rectum
2. According to the case studies of fecaloma in the article, which sonographic finding was visualized? A. A rounded acoustic enhancement B. A hardened fecal mass C. A cylindrical shaped hyperechoic mass D. A crescent-shaped acoustic shadow
3. According to the case series in the article, what was the maximum cross-sectional (MCS) diameter of the fecaloma detected during the US examination in Patient Case 1? A. 6.3 cm B. 7.3 cm C. 9.1 cm D. 8.7 cm
4. Which measurement technique was utilized to document the transverse rectal diameter by US? A. Anterior-to-posterior measurement of inner rectum walls B. Three-dimensional reconstruction of the rectum C. Transverse diameter from outer rectal walls D. Sagittal dimension from cranial to caudal rectum
5. According to the article, how is fecal impaction (FI) defined? A. An organized hardened fecal mass B. The involuntary discharge of liquid or solid stools C. The frequency of water-soluble stools D. The presence of hyposensation
Footnotes
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