Pancreas CT Appearances

Ampullary Carcinoma CT Findings

• Irregular nodular mass at distal margin of the pancreaticobiliary junction
• Hypoattenuation mass around 40 HU
• Borders may be lobulated or infiltrating

Other Information About Ampullary Carcinoma

Etiology:

• Unknown

Epidemiology:

• Rare
• More common in males
• Typically presents after age 70 but can occur at any age

Presentation:

• Jaundice
• Weight loss
• Loss of appetite
• Abdominal and/or back pain
• Diarrhea and/or blood in stool
• Nausea and/or vomiting
• Itchy skin
• Fever

Prognosis:

• Since ampullary carcinoma is rare, the prognosis is largely unknown
• Overall 5-year relative survival rate is around 30-70%