Abstract
We describe cases of isolated functioning insulinoma occurring in two members of the same family (father and daughter). The father had a first encapsulated insulinoma diagnosed at 14 years of age and at the age of 33 years he was operated on for a second insulinoma infiltrating the exocrine pancreas with lymph node metastases. The daughter was operated on for an encapsulated insulinoma in the tail of the pancreas when she was 6 years old. No clinical and laboratory signs of other endocrine disturbances have so far been detected in either care or in any other members of the family. Our report suggests the possibility of multiple familial insulinoma, although this is an extremely rare condition. Our data also indicate that insulinomas, even if well controlled by medical treatment, should always be removed by surgery because malignancy cannot be excluded with certainty. Moreover, patients should be closely followed up, as recurrence may develop up to 15 years after surgery.
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Maioli, M., Ciccarese, M., Pacifico, A. et al. Familial insulinoma: description of two cases. Acta Diabetol 29, 38–40 (1992). https://doi.org/10.1007/BF00572828
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DOI: https://doi.org/10.1007/BF00572828