A 67-year-old male patient was admitted to hospital with upper abdominal pain, jaundice and pale stool for 2 weeks. Laboratory investigation showed highly elevated cholestatic parameters and transaminases but no increase… Click to show full abstract
A 67-year-old male patient was admitted to hospital with upper abdominal pain, jaundice and pale stool for 2 weeks. Laboratory investigation showed highly elevated cholestatic parameters and transaminases but no increase of serum IgG4. MRI (figure 1) and endoscopic ultrasound (EUS) demonstrated a diffuse enlargement of the pancreas. Parenchymal biopsy taken by EUS-guided fine needle aspiration (FNA) contained storiform fibrosis with increased plasma cells expressing IgG4 (>30 cells/HPF) compatible with autoimmune pancreatitis type I. A steroid pulse therapy was initiated followed by maintenance therapy (prednisolone 5 mg/kg p.o.) and the patient recovered. One year later, the patient presented again with weight loss. …
               
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