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Abdominal Radiology
Published in: Abdominal Radiology 9/2018

01-09-2018

“Inverted Figure 3” sign of periampullary carcinoma

Authors: A. I. Clark, A. A. Dawkins, R. T. Nair

Published in: Abdominal Radiology | Issue 9/2018

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Excerpt

The “Inverted figure 3” sign was first described by Frostberg [1] in 1938 as a mass effect on the medial duodenal wall with concomitant ampullary sparing due to tethering by the pancreatic and common bile ducts. This sign, which as appears as a “Classic” in barium form, is associated with pancreatic head enlargement [2, 3] and can be seen with ampullary carcinoma, carcinoma head of the pancreas, duodenal carcinoma, lymphoma, metastasis, or focal pancreatitis [4]. …
Literature
1.
Frostberg N (1938) A characteristic duodenal deformity in cases of different kinds of peri-vateral enlargement of the pancreas. Acta Radiol 19:164–173CrossRef
2.
Goodman P, et al. (1991) Reverse figure 3 sign in duodenal adenocarcinoma arising in a villous adenoma: Radiographic demonstration. Clin Imaging 15:283–285CrossRefPubMed
3.
4.
Kim JH, et al. (2002) Differential diagnosis of periampullary carcinomas at MR imaging. RadioGraphics 22(6):1335–1352CrossRefPubMed
5.
Nicoloaidis P, et al. (2014) Imaging features of benign and malignant ampullary and periampullary lesions. Radiographics 34:624–641CrossRef
Metadata
Title
“Inverted Figure 3” sign of periampullary carcinoma
Authors
A. I. Clark
A. A. Dawkins
R. T. Nair
Publication date
01-09-2018
Publisher
Springer US
Published in
Abdominal Radiology / Issue 9/2018
Print ISSN: 2366-004X
Electronic ISSN: 2366-0058
DOI
https://doi.org/10.1007/s00261-018-1507-2

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