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DOI:10.2214/AJR.09.2347
AJR 2009; 193:W308-W313
© American Roentgen Ray Society

Clinical Observations

MRI Features of Pancreatic Colloid Carcinoma

Min A. Yoon1, Jeong Min Lee1,2, Se Hyung Kim1,2, Jae Young Lee1,2, Joon Koo Han1,2, Byung Ihn Choi1,2, Jin-Young Choi3, Seong Ho Park4 and Min Woo Lee5

1 Department of Radiology, Seoul National University College of Medicine, 28, Yongon-dong, Chogno-gu, Seoul, 110-744, Korea.
2 Institute of Radiation Medicine, Seoul National University College of Medicine, Seoul, Korea.
3 Department of Diagnostic Radiology and Research Institute of Radiological Science, Yonsei University Health System, Seoul, Korea.
4 Department of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.
5 Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.

OBJECTIVE. The purpose of our study was to retrospectively investigate the MRI findings (diameter, location, contour and margin, signal intensity characteristics, and enhancement patterns) in a series of eight patients with pathologically proven colloid carcinoma of the pancreas.

CONCLUSION. Colloid carcinomas of the pancreas appear as masses with lobulating contours, indiscrete margins, and hyperintensity on T2-weighted images (n = 8). In addition, all patients who underwent dynamic studies (n = 4) showed peripheral and internal spongelike or meshlike progressive delayed contrast enhancement.

Keywords: colloid carcinoma • MRI • mucinous noncystic adenocarcinoma • pancreas


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