Preliminary Diagnosis: Glucagonoma I. What imaging technique is first-line for this diagnosis CT of the abdomen and pelvis with IV contrast, pancreas protocol II. Describe the advantages and disadvantages of this technique for glucagonoma. Advantages Has good spatial resolution and allows for localization and enhancement characterization of pancreatic endocrine tumors Has high sensitivity Can identify…
Preliminary Diagnosis: Insulinoma I. What imaging technique is first-line for this diagnosis CT of the abdomen and pelvis with IV contrast, pancreas protocol II. Describe the advantages and disadvantages of this technique for insulinoma. Advantages Has good spatial resolution and allows for localization and enhancement characterization of pancreatic endocrine tumors Has high sensitivity Can identify…
Preliminary Diagnosis: Paraganglioma I. What imaging technique is first-line for this diagnosis? MR with and without contrast However, if the primary site is unknown but clinically suspected, CT abdomen with contrast or nuclear imaging would be useful for initial localization Thin-cut noncontrast temporal bone CT is first-line for glomus jugulare tumors Contrast temporal bone CT…
Preliminary Diagnosis: Colon Polyps I. What imaging technique is first-line for this diagnosis? Fiber-optic colonoscopy is the first-line imaging technique to evaluate colon polyps. II. Describe the advantages and disadvantages of this technique for diagnosing colon polyps. Advantages Allows for direct visualization, tissue biopsy/polypectomy, and tissue marking for later surgical removal. Has the advantage of…
Preliminary Diagnosis: Gastrinoma I. What imaging technique is first-line for this diagnosis CT of the abdomen and pelvis with IV contrast, pancreas protocol II. Describe the advantages and disadvantages of this technique for gastrinoma. Advantages Has good spatial resolution and allows for localization and enhancement characterization of pancreatic endocrine tumors Has high sensitivity but may…
