FDG-PET/CT findings of autoimmune pancreatitis associated with idiopathic retroperitoneal fibrosis. 2007

Hideki Otsuka, and Naomi Morita, and Kyo Yamashita, and Hiromu Nishitani
Department of Radiology, Graduate School of Medicine, University of Tokushima, 3-18-15 Kuramoto-cho, Tokushima, 770-8503, Japan. hotsuka@clin.med.tokushima-u.ac.jp

We report the fluorodeoxyglucose positron emission tomography (FDG-PET)/computed tomography (CT) findings of autoimmune pancreatitis (AIP) associated with idiopathic retroperitoneal fibrosis. A 69-year-old male patient was admitted to our hospital with obstructive jaundice. Six months prior to this admission, he was treated with steroid therapy for retroperitoneal fibrosis. Laboratory data showed that elevated T-bil, C-reactive protein, amylase and immunoglobulin 4, and antinuclear antibodies were positive. Clinical history, laboratory data, CT image, and magnetic resonance imaging led to a diagnosis of autoimmune pancreatitis. To investigate the inflammatory activity, FDG-PET/CT was undertaken. FDG-PET/CT demonstrated diffuse intense FDG uptake in the enlarged pancreas and diffuse mild uptake in the region of the abdominal aorta-bilateral iliac arteries. A dilated right renal pelvis and upper ureter, corresponding to hydronephrosis probably caused by retroperitoneal fibrosis, were shown. An FDG-PET/CT was useful to evaluate inflammatory activity and morphological imaging, and supported our diagnosis of AIP and retroperitoneal fibrosis.

UI MeSH Term Description Entries
D008297 Male Males
D010195 Pancreatitis INFLAMMATION of the PANCREAS. Pancreatitis is classified as acute unless there are computed tomographic or endoscopic retrograde cholangiopancreatographic findings of CHRONIC PANCREATITIS (International Symposium on Acute Pancreatitis, Atlanta, 1992). The two most common forms of acute pancreatitis are ALCOHOLIC PANCREATITIS and gallstone pancreatitis. Acute Edematous Pancreatitis,Acute Pancreatitis,Pancreatic Parenchyma with Edema,Pancreatic Parenchymal Edema,Pancreatitis, Acute,Pancreatitis, Acute Edematous,Peripancreatic Fat Necrosis,Acute Edematous Pancreatitides,Acute Pancreatitides,Edema, Pancreatic Parenchymal,Edematous Pancreatitides, Acute,Edematous Pancreatitis, Acute,Fat Necrosis, Peripancreatic,Necrosis, Peripancreatic Fat,Pancreatic Parenchymal Edemas,Pancreatitides, Acute,Pancreatitides, Acute Edematous,Parenchymal Edema, Pancreatic,Peripancreatic Fat Necroses
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D001327 Autoimmune Diseases Disorders that are characterized by the production of antibodies that react with host tissues or immune effector cells that are autoreactive to endogenous peptides. Autoimmune Disease,Disease, Autoimmune,Diseases, Autoimmune
D012185 Retroperitoneal Fibrosis A slowly progressive condition of unknown etiology, characterized by deposition of fibrous tissue in the retroperitoneal space compressing the ureters, great vessels, bile duct, and other structures. When associated with abdominal aortic aneurysm, it may be called chronic periaortitis or inflammatory perianeurysmal fibrosis. Ormond Disease,Perianeurysmal Fibrosis, Inflammatory,Periaortitis, Chronic,Fibrosis, Inflammatory Perianeurysmal,Fibrosis, Perianeurysmal Inflammatory,Idiopathic Retroperitoneal Fibrosis,Inflammatory Fibrosis, Perianeurysmal,Inflammatory Perianeurysmal Fibrosis,Ormond's Disease,Perianeurysmal Inflammatory Fibrosis,Chronic Periaortitides,Chronic Periaortitis,Disease, Ormond,Disease, Ormond's,Fibroses, Retroperitoneal,Fibrosis, Retroperitoneal,Periaortitides, Chronic,Retroperitoneal Fibroses
D013382 Subtraction Technique Combination or superimposition of two images for demonstrating differences between them (e.g., radiograph with contrast vs. one without, radionuclide images using different radionuclides, radiograph vs. radionuclide image) and in the preparation of audiovisual materials (e.g., offsetting identical images, coloring of vessels in angiograms). Subtraction Technic,Subtraction Technics,Subtraction Techniques,Technic, Subtraction,Technics, Subtraction,Technique, Subtraction,Techniques, Subtraction
D014057 Tomography, X-Ray Computed Tomography using x-ray transmission and a computer algorithm to reconstruct the image. CAT Scan, X-Ray,CT Scan, X-Ray,Cine-CT,Computerized Tomography, X-Ray,Electron Beam Computed Tomography,Tomodensitometry,Tomography, Transmission Computed,X-Ray Tomography, Computed,CAT Scan, X Ray,CT X Ray,Computed Tomography, X-Ray,Computed X Ray Tomography,Computerized Tomography, X Ray,Electron Beam Tomography,Tomography, X Ray Computed,Tomography, X-Ray Computer Assisted,Tomography, X-Ray Computerized,Tomography, X-Ray Computerized Axial,Tomography, Xray Computed,X Ray Computerized Tomography,X Ray Tomography, Computed,X-Ray Computer Assisted Tomography,X-Ray Computerized Axial Tomography,Beam Tomography, Electron,CAT Scans, X-Ray,CT Scan, X Ray,CT Scans, X-Ray,CT X Rays,Cine CT,Computed Tomography, Transmission,Computed Tomography, X Ray,Computed Tomography, Xray,Computed X-Ray Tomography,Scan, X-Ray CAT,Scan, X-Ray CT,Scans, X-Ray CAT,Scans, X-Ray CT,Tomographies, Computed X-Ray,Tomography, Computed X-Ray,Tomography, Electron Beam,Tomography, X Ray Computer Assisted,Tomography, X Ray Computerized,Tomography, X Ray Computerized Axial,Transmission Computed Tomography,X Ray Computer Assisted Tomography,X Ray Computerized Axial Tomography,X Ray, CT,X Rays, CT,X-Ray CAT Scan,X-Ray CAT Scans,X-Ray CT Scan,X-Ray CT Scans,X-Ray Computed Tomography,X-Ray Computerized Tomography,Xray Computed Tomography
D019275 Radiopharmaceuticals Compounds that are used in medicine as sources of radiation for radiotherapy and for diagnostic purposes. They have numerous uses in research and industry. (Martindale, The Extra Pharmacopoeia, 30th ed, p1161) Radiopharmaceutical
D019788 Fluorodeoxyglucose F18 The compound is given by intravenous injection to do POSITRON-EMISSION TOMOGRAPHY for the assessment of cerebral and myocardial glucose metabolism in various physiological or pathological states including stroke and myocardial ischemia. It is also employed for the detection of malignant tumors including those of the brain, liver, and thyroid gland. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1162) 18F Fluorodeoxyglucose,18FDG,2-Fluoro-2-deoxy-D-glucose,2-Fluoro-2-deoxyglucose,Fludeoxyglucose F 18,18F-FDG,Fluorine-18-fluorodeoxyglucose,Fluorodeoxyglucose F 18,2 Fluoro 2 deoxy D glucose,2 Fluoro 2 deoxyglucose,F 18, Fludeoxyglucose,F 18, Fluorodeoxyglucose,F18, Fluorodeoxyglucose,Fluorine 18 fluorodeoxyglucose,Fluorodeoxyglucose, 18F

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