Hypoglycemia CT

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Mohammed Abdelwahed M.D[2]

Overview

CT scan can be used for diagnosing insulinoma and islet-cell hypertrophy. Currently, with the advances in technology. The sensitivity has risen to 80% and 94.4% for helical CT scan with dual-phase multidetector CT scan. Insulinoma is hypervascular and CT shows greater enhancement than rest of the pancreatic parenchyma. It can appear hypovascular and hypodense lesions after the administration of contrast.

CT

Abdominal CT scan may be helpful in diagnosis of insulinoma and islet-cell hypertrophy.

CT showing insulinoma, source: Case courtesy of Dr J. Ray Ballinger, Radiopaedia.org, rID: 23627

References

  1. Noone TC, Hosey J, Firat Z, Semelka RC (2005). "Imaging and localization of islet-cell tumours of the pancreas on CT and MRI". Best Pract Res Clin Endocrinol Metab. 19 (2): 195–211. doi:10.1016/j.beem.2004.11.013. PMID 15763695.
  2. Noone TC, Hosey J, Firat Z, Semelka RC (2005). "Imaging and localization of islet-cell tumours of the pancreas on CT and MRI". Best Pract Res Clin Endocrinol Metab. 19 (2): 195–211. doi:10.1016/j.beem.2004.11.013. PMID 15763695.
  3. King AD, Ko GT, Yeung VT, Chow CC, Griffith J, Cockram CS (1998). "Dual phase spiral CT in the detection of small insulinomas of the pancreas". Br J Radiol. 71 (841): 20–3. doi:10.1259/bjr.71.841.9534694. PMID 9534694.
  4. Tucker ON, Crotty PL, Conlon KC (2006). "The management of insulinoma". Br J Surg. 93 (3): 264–75. doi:10.1002/bjs.5280. PMID 16498592.
  5. McAuley G, Delaney H, Colville J, Lyburn I, Worsley D, Govender P; et al. (2005). "Multimodality preoperative imaging of pancreatic insulinomas". Clin Radiol. 60 (10): 1039–50. doi:10.1016/j.crad.2005.06.005. PMID 16179163.