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May 2018 — Gastroenterology

A 33-year-old woman presented with abdominal cramps and intentional weight loss of 27 pounds. Abdominal CT revealed a right ovarian cyst suspicious for teratoma and a cystic mass posterior to pancreatic head. EUS-guided ultrasound showed a 4 x 3 cm cyst filled with mobile intracystic material. Cystic fluid analysis revealed increased amylase (26, 376 U/L) and increased CEA (5266 ng/mL). A Whipple-procedure was performed. Gross examination revealed a unilocular cystic mass (2.5 x 2.1 x 2.0 cm) along the periphery of pancreas, containing mucinous debris.

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Aishwarya Ravindran, M.B.B.S.
Resident, Anatomic and Clinical Pathology
Mayo Clinic
Thomas Smyrk, M.D.
Consultant, Anatomic Pathology
Mayo Clinic
Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine
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