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ABDOMEN / GI tract general   45 / M,  Abdominal discomfort
2017-06-16
About Author
Authors Sang Won, Kim
Institution Kyung Hee University Hospital at Gangdong
E-mail rad2000@daum.net
About Case
Chief complaint
or Title
Abdominal discomfort
Subspecialty ABDOMEN / GI tract general
Classification Congenital Anormaly / duplication
Age 45 Sex M
Difficulty For resident, For specialist
Modality US, CT
Case Figures
Click above Figure for more images.
Questions
What¡¯s your diagnosis?
Answer
Diagnosis Duplication cyst, duodenum
Comments

Duodenal duplication cyst


Rare: 2-12% of GI duplication.


Pathologic features: GI tract attachment, smooth muscle
in the wall, epithelial lining,
heterotopic tissues (¡¾).


Clinical implications: common Sx (abdominal pain,
nausea or vomiting), m/c complication (pancreatitis, 53%).


Imaging findings


Large, well-defined, spherical or tubular cystic mass.


Internal fluid attenuation,


cystic wall enhancement, wall calcification
(occasionally)


Frequent location: medial wall of 2nd & 3rd
portions of duodenum.


Communication with duodenal lumen: rare.


Connection to pancreaticobiliary
ducts (29%).



References Rotondo A1, Scialpi M, Pellegrino G, et al. Duodenal duplication cyst: MR imaging appearance. Eur Radiol. 1999;9(5):890-3.
Ozel A, Uysal E, Tufaner O, Erturk SM, Yalcin M, Basak M. Duodenal duplication cyst: a rare cause of acute pancreatitis in children. J Clin Ultrasound. 2008 Nov-Dec;36(9):584-6.
Keywords duplication cyst, duodenum
Attachment File -

Number of Applicants : 51
Correct Answer 28
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University of Tokyo Hospital Toshihiro Furuta
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