Benign Tumor of the Small Bowel
Fig. 14.1 Ileal hemangioma in an 18-year-old male. (a) Contrast-enhanced transverse CT image shows a soft tissue mass (arrows) with contrast enhancement in the central area. (b) Surgical specimen of…
Benign Structural and Functional Abnormality of the Small Bowel
Fig. 10.1 Intestinal malrotation (nonrotation type) in a 39-year-old man. (a, b) The jejunum is directly continued from the duodenum (arrow in a), with absence of the normal 3rd and…
Benign Structural and Functional Abnormality of the Stomach and Duodenum
Fig. 4.1 Gastric duplication cyst in a 28-year-old male. (a) On CT, an approximately 5 cm subepithelial cystic mass (white arrow) is seen at the posterior wall of the gastric…
Esophagitis
Fig. 2.1 Candida esophagitis in a 73-year-old male patient. (a) On double-contrast esophagogram, diffuse nodularity is seen in the esophagus. (b) Multiple whitish plaques are noted on endoscopic examination 2.10.2…
Pancreatic Ductal Carcinoma
Strong tendency to obstruct pancreatic and common bile ducts with abrupt ductal cutoff at site of obstruction Pancreatic parenchymal atrophy upstream from mass Soft tissue infiltration to involve adjacent vessels…
Acute Pancreatitis and Complications
Pancreas typically enlarged and edematous with loss of normal fatty lobulation Peripancreatic fat stranding, edema, and free fluid Mild edematous pancreatitis can appear normal on CT • Necrotizing pancreatitis (20-30% of…
Hepatic Transplantation
No reliable imaging findings to suggest or confirm diagnosis • Biliary leak From entry of T tube: Easily treated From biliary anastomosis: Requires revision From intrahepatic ducts: Biliary necrosis; catastrophic • Biliary…
Mesenteric and Small Bowel Trauma
Polygonal fluid collections between folds of mesentery, bowel loops Indicates bowel &/or mesenteric injury • Active bleeding = isodense with enhanced vessels • Extraluminal gas: Intra- or retroperitoneal air May be absent…
Pancreatic Trauma
Secondary signs of pancreatic injury are usually present (peripancreatic fat stranding and fluid, thickening of pararenal fascia, peripancreatic hematoma) – Peripancreatic signs of traumatic pancreatitis often subtle; more evident in 24-48…
