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Semelka RC, Cumming MJ, Shoenut JP, et al. Islet cell tumors: comparison of dynamic contrast-enhanced CT and MR imaging with dynamic gadolinium enhancement and fat suppression. Radiology. 1993;186(3):799-802doi: 10.1148/radiology.186.3.8381551.
Semelka, R. C., Cumming, M. J., Shoenut, J. P., Magro, C. M., Yaffe, C. S., Kroeker, M. A., & Greenberg, H. M. (1993). Islet cell tumors: comparison of dynamic contrast-enhanced CT and MR imaging with dynamic gadolinium enhancement and fat suppression. Radiology, 186(3), 799-802. https://doi.org/10.1148/radiology.186.3.8381551
Semelka, R C, et al. "Islet cell tumors: comparison of dynamic contrast-enhanced CT and MR imaging with dynamic gadolinium enhancement and fat suppression." Radiology vol. 186,3 (1993): 799-802. doi: https://doi.org/10.1148/radiology.186.3.8381551
Semelka RC, Cumming MJ, Shoenut JP, Magro CM, Yaffe CS, Kroeker MA, Greenberg HM. Islet cell tumors: comparison of dynamic contrast-enhanced CT and MR imaging with dynamic gadolinium enhancement and fat suppression. Radiology. 1993 Mar;186(3):799-802. doi: 10.1148/radiology.186.3.8381551. PMID: 8381551.
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Radiology. 1993 Mar;186(3):799-802. doi: 10.1148/radiology.186.3.8381551.

Islet cell tumors: comparison of dynamic contrast-enhanced CT and MR imaging with dynamic gadolinium enhancement and fat suppression.

Radiology

R C Semelka, M J Cumming, J P Shoenut, C M Magro, C S Yaffe, M A Kroeker, H M Greenberg

Affiliations

  1. Department of Radiology, St Boniface General Hospital MRI Facility, Manitoba, Canada.

PMID: 8381551 DOI: 10.1148/radiology.186.3.8381551

Abstract

Ten patients with 11 islet cell tumors underwent dynamic contrast material-enhanced computed tomography (CT) and magnetic resonance (MR) imaging within a 1-month period. MR imaging depicted all 11 tumors, and CT depicted seven of the 11 tumors. CT did not depict four of seven tumors that measured 2.5 cm in diameter or less. Islet cell tumors had low signal intensity on T1-weighted fat-suppressed MR images, and gastrinomas were best shown with this technique. Two of three insulinomas less than 1.5 cm in diameter were best shown on dynamic contrast-enhanced fast low-angle shot (FLASH) images as uniform areas of high signal intensity. Hepatic metastases were seen in five patients and showed peripheral ringlike enhancement best demonstrated on dynamic gadolinium-enhanced FLASH images. Hepatic lesions were most conspicuous on T2-weighted fat-suppressed spin-echo images. MR imaging with dynamic gadolinium enhancement and fat suppression is a promising tool in the investigation of islet cell tumors.

Cited by

Reznek R.
Cancer Imaging. 2003 Sep 30;4(1):1-4. doi: 10.1102/1470-7330.2003.0023.
PMID: 18211851

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