Quiz of the Week
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ABDOMEN / GI tract general 36 / F, No specific symptom
Number of Applicants : 40
About Author | |
Authors | Sunyoung Lee |
Institution | Severance Hospital, Yonsei University College of Medicine |
carnival0126@gmail.com |
About Case | |||
Chief complaint or Title |
No specific symptom | ||
Age | 36 | Sex | F |
Difficulty | For resident, For specialist | ||
Modality | CT, Etc |
Case Figures | |||||||||
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Questions | ||
What is your most likely diagnosis of this lesion? |
Answer | |||
Diagnosis | Heterotopic Pancreas | ||
Comments | Heterotopic Pancreas
•Separated from main
gland
•M/C
in upper GI tract
: stomach(25.5%), duodenum(27.7%), proximal jejunum(15.9%) •Less
common : esophagus, ileum, Meckel
diverticulum, biliary tree, spleen & mesentery
•Sx
•Asymptomatic
: Uncomplicated HP incidentally discovered by surgery, imaging etc.
•Epigastric
pain, chronic abdominal pain, nausea, vomiting, weight loss(rare)
•CT findings – small
oval intramural mass with microlobulated
margin and endoluminal
growth pattern
•Acinus-dominant
lesion : homogeneous enhancement
•Duct-dominant
lesion : heterogeneous and hypovascular
•MR findings
•T1 – isointense to normal pancreas, with T1 hyperintensity after Gd-based contrast(arterial phase)
•Rudimentary ductal system – orifice
visible as a central umbilication
in lesion
•Complications
•Pancreatitis, pseudocyst, malignant degeneration, GI
bleeding, bowel obstruction, intussusception etc.
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References | Radio Graphics 2017; 37:484–499 | ||
Keywords | Heterotopic Pancreas | ||
Attachment File | - |
Number of Applicants : 40
Correct Answer | 9 |
Mayo Clinic | Akitoshi Inoue |
KSAR | Dr K |
Nagahama City Hospital | Ryo Uemura |
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