• The Korean Journal of Medicine
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• v.93 no.6
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• pp.560-564
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• 2018

Autoimmune pancreatitis (AIP) is rarely associated with pancreatic pseudocysts. AIP-associated pseudocysts requiring drainage despite steroid therapy are rather rare. We report a case of AIP with an infected pseudocyst requiring drainage despite steroid therapy. A 68-year-old male was diagnosed with AIP via pancreatic imaging, a high serum immunoglobulin G4 level, and steroid responsiveness. The AIP was accompanied by a pancreatic pseudocyst. Steroid therapy was prescribed, but the pancreatic pseudocyst became aggravated during steroid tapering. Endoscopic ultrasonography-guided cyst drainage was required; the pseudocyst then became completely resolved.

• Pediatric Gastroenterology, Hepatology & Nutrition
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• v.10 no.2
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• pp.215-220
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• 2007

We present a case of autoimmune chronic pancreatitis in a previously healthy child without any history of autoimmune disease. A 12-year-old boy was admitted to the hospital with abdominal pain. The serum amylase, lipase, and IgG levels were elevated and autoantibodies (antinuclear antibody, antineutrophil antibody) were detected. An abdominal CT (computed tomographic) scan revealed diffuse enlargement of the pancreas. ERCP (endoscopic retrograde cholangiopancreaticography) demonstrated an irregular stricture of the main pancreatic duct in the pancreas tail. After two years of oral steroid and immunosuppressive drug therapy, the clinical, laboratory and radiological findings were improved. The patient has been symptom-free for 18 months after the discontinuation of medication.

• Journal of the Korean Society of Radiology
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• v.81 no.5
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• pp.1134-1150
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• 2020

Various types of tumors and tumor-like lesions may affect the pancreas. Among them, pancreatic ductal adenocarcinoma is the most common and is generally referred to as "pancreatic cancer." Recently, the detection rates of rare pancreatic tumors and tumor-like lesions have increased owing to technological advancements and increased frequency of imaging tests. Considering that rare pancreatic tumors and tumor-like lesions differ from pancreatic ductal adenocarcinoma in terms of the treatment plan and prognosis, the differential diagnosis of these diseases is clinically relevant. Various imaging tests play an important role in the differential diagnoses of rare tumors, such as acinar cell carcinoma and schwannoma, tumor-like lesions, such as autoimmune pancreatitis and inflammatory pseudotumor, and pancreatic ductal adenocarcinoma, but accurately distinguishing these diseases solely based on imaging findings is difficult. The aim of this pictorial review was to present the imaging findings of rare pancreatic tumors and tumor-like lesions and discuss important points for the differential diagnosis.

• Journal of the Korean Society of Radiology
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• v.81 no.5
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• pp.1069-1082
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• 2020

Coverage by National Health Insurance (NHI) was expanded in the abdominal imaging area as follows: upper abdominal ultrasound on April 1, 2018, lower abdominal ultrasound on February 1, 2019, and abdominal MRI on November 1, 2019. Many patients can benefit from the expansion of NHI coverage. Newly included diseases for NHI coverage includes liver cirrhosis, gallbladder polyps, hepatic adenoma/dysplastic nodules, pancreatic cysts, autoimmune pancreatitis and bile duct stone disease. However, the expansion of coverage made each examination more complex, including indications, follow-up strategy, the number of examination per patients, the standard images to be acquired, and the standard forms of the radiological report. Therefore, more careful consideration is mandatory when an abdominal imaging examination is prescribed and conducted.