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The uncommon loop: Circumportal annular pancreas
Pir Abdul Ahad Aziz Qureshi1, Muhammad Talha Yaseen1, Taimoor Ali Tariq1
1Department of Radiology, Shaukat Khanum Memorial Cancer Hospital and Research Centre, Lahore, Pakistan.
JPMA. the Journal of the Pakistan Medical Association
|December 20, 2019
Summary
Circumportal annular pancreas (CAP) is a rare pancreatic variant where tissue surrounds the portal vein. A CT scan for endometrial cancer staging incidentally found this anomaly in a 65-year-old woman.
Area of Science:
- Gastroenterology
- Radiology
- Anatomic Pathology
Background:
- Circumportal annular pancreas (CAP), also known as portal annular pancreas (PAP), is an uncommon anatomical variant.
- This condition involves normal pancreatic tissue encircling the portal vein.
- CAP can be misdiagnosed as a pancreatic head mass.
Purpose of the Study:
- To report a case of circumportal annular pancreas discovered during staging for endometrial carcinoma.
- To highlight the importance of recognizing this rare pancreatic variant in cross-sectional imaging.
Main Methods:
- Case presentation of a 65-year-old female patient.
- Review of CT scan findings for metastatic workup of endometrial carcinoma.
- Radiological interpretation to identify the pancreatic anomaly.
Main Results:
- CT scan revealed circumportal annular pancreas in a patient undergoing evaluation for endometrial cancer.
- The pancreatic variant was an incidental finding during the metastatic workup.
Conclusions:
- Circumportal annular pancreas is a rare variant that can be incidentally detected.
- Radiologists must be aware of CAP to avoid misdiagnosis, especially in patients with other malignancies.
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