Korean J Pancreas Biliary Tract.  2015 Oct;20(4):204-208. 10.15279/kpba.2015.20.4.204.

Pancreatic Lymphoma Masquerading as Autoimmune Pancreatitis

Affiliations
  • 1Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. mhkim@amc.seoul.kr
  • 2Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.

Abstract

Accurate diagnosis of autoimmune pancreatitis (AIP) is important to clinicians since it is difficult to differentiate AIP from pancreatic malignancies. Furthermore, unlike pancreatic malignancies, AIP has dramatic response to steroids. A 61-years-old man presented with acute pancreatitis. Imaging studies showed two separate pancreatic masses, irregular narrowing of main pancreatic duct, and a renal mass that highly suggested AIP. Endoscopic ultrasound-guided core needle biopsy of the pancreatic masses and ultrasound-guided biopsy of the renal mass revealed peripheral T-cell lymphoma. The patient is currently undergoing chemotherapy. We present a case of pancreatic lymphoma masquerading as AIP with literature review.

Keyword

Autoimmune pancreatitis; Peripheral T-cell lymphoma; Pancreatic neoplasm; Obstructive pancreatitis; Acute pancreatitis

MeSH Terms

Biopsy
Biopsy, Large-Core Needle
Diagnosis
Drug Therapy
Humans
Lymphoma*
Lymphoma, T-Cell, Peripheral
Pancreatic Ducts
Pancreatic Neoplasms
Pancreatitis*
Steroids
Steroids
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