Abstract
Objective Multiple endocrine neoplasia type 1 (MEN1) is a hereditary disease characterized by a high risk of developing primary hyperparathyroidism, duodenopancreatic neuroendocrine tumors, and pituitary tumors (PITs). It is unclear if having MEN1 leads to psychological distress because of fear of disease occurrence (FDO), thereby potentially affecting quality of life.
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