Pancreas CT Appearances

Insulinoma CT Findings

• Usually < 2cm
• Usually solitary
• Occur either in the head, body, or tail of pancreas
• Are typically hypervascular

Other Information About Insulinoma

Etiology:

• Unknown
• Associated with MEN1

Epidemiology:

• Rare
• Most commonly occurs in 6th decade of life

Presentation:

• Hypoglycemia, particularly in the morning or after prolonged periods without eating
• Weakness
• Confusion
• Excessive sweating
• Tachycardia

Prognosis:

• Can be surgically removed
• Because pancreatic insulinoma is rare, the true prognosis is not known. Studies suggest the 10-year relative survival rate is as high as 87% for localized tumors and 33% for metastatic tumors