Steroid-responsive pancreatitides

Figure 2 Idiopathic duct centric pancreatitis in a 70-year-old male with presenting with new onset diabetes mellitus patient and weight loss. A and B: Positron emission tomography-computed tomography and simple computed tomography scan showing a heterogenous mass (arrows) in the head of the pancreas (max SUV 4.2); C: Magnetic resonance cholangiopancreatography showing a distal common bile duct common biliary duct stenosis with no proximal biliary or main pancreatic duct dilation; D: Endoscopic ultrasound showing a narrowed intrapancreatic common bile duct with symmetric hypoechoic thick walls; E: Micrography of cytology specimen from a pancreatic head mass obtained with endoscopic ultrasonography guided fine-needle aspiration, it shows a dense acute and chronic inflammatory infiltrate with numerous neutrophils in the background; F: Chest computed tomography (venous phase) showing atrophy and disappearance of the pancreatic mass in the head of the pancreas following 4 wk of steroid therapy (arrow).