<prompt> True about Insulinoma is:Alpha cell tumorMost of them are malignantC-peptide level is elevatedIt is not associated with MEN 1 syndrome  <response>: Insulinoma b-cell tumor Benign C peptide level is elevated Most common of pancreatic Neuro-endocrine neoplasms Produce sufficient insulin to induce clinically significant hypoglycaemia MEN 1 syndrome- Associated with 3-Ps Pancreas:- Gastrinoma, Insulinoma Pituitary tumor Parathyroid 