Pancreatic neuroendocrine tumor
Treatment options in Shanghai

Compare original scans over time using a consistent imaging approach where possible. The review should describe the lesion's position in the pancreatic head, body or tail, its relation to the main pancreatic duct and vessels, and any concerning lymph nodes or distant findings. New duct dilation or convincing growth can matter even when the overall diameter still sounds small. Additional functional imaging may help selected assessments but does not replace anatomical imaging. Ask what each proposed test is intended to resolve, rather than collecting every available scan before the specialist has reviewed the existing files.

International expert guidance supports observation for selected small, asymptomatic tumors and individualized decisions in the roughly 1–2 cm range. These are conditional recommendations, not a promise that all lesions below a size threshold are safe to leave alone. Grade, growth, duct findings, age, other illnesses, preferences and access to follow-up alter the balance. A surveillance plan should specify the imaging method, first reassessment, who compares the scans and the triggers for discussing treatment. Ask how missed appointments or living far from the reviewing center would be handled. Surveillance without a responsible clinician and review schedule is not the same strategy.

Some selected lesions may allow a tissue-sparing operation, while others require a larger pancreatic resection. Tumors in the head and tail can therefore lead to very different procedures despite similar size. Discuss whether lymph node assessment is needed and whether preserving pancreas compromises an adequate oncological operation. Risks include pancreatic leakage, bleeding, infection and later problems with digestion or blood sugar, with their likelihood depending on the procedure and patient. Ask the surgeon to name the proposed operation and explain why its expected benefit outweighs both surgical harm and the risk of continued observation in your case.