Lecture 9: Developing awareness of blind spots
Goal: Develop awareness of blind spots
Objectives
- Describe common blind spots in abdominal imaging
- Explain methods to reduce diagnostic errors related to blind spots
Recommended reading
Lecture 9 Pretest
Which of the following findings can help differentiate between benign and malignant pleural disease on CT?
- Mediastinal pleural involvement
- Avid enhancement
- Presence of calcifications
- Associated lung abnormality
Which of the following is the best criteria for identification of peritoneal metastasis in patients with ovarian cancer?
- Presence of ascites
- Parietal peritoneal thickening
- Small bowel wall thickening
- Nodular soft tissue lesion on the peritoneal surface
Which of the following is a blind spot where melanoma metastases can be missed on CT?
- Adrenal glands
- Pancreas
- Subcutaneous fat
- Lungs
Which of the following findings are strongly suggestive of malignancy in a breast lesions identified on CT?
- Calcification
- Spiculation
- Avid enhancement
- Intralesional fat
Blind spots are areas where lesions are most commonly overlooked. Which of the following is considered a blind spot in abdominal CT imaging?
- Liver capsule
- Lung bases
- Paraspinal region
- Ovaries
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