Multiple Endocrine Neoplasia (MEN) Syndromes Home A-Z Health Information Health Library A-Z Multiple Endocrine Neoplasia (MEN) Syndromes Overview MEN syndromes are inherited disorders that cause tumours in multiple endocrine glands. There are several types, including MEN1 and MEN2, each associated with specific tumours such as parathyroid, pituitary, and adrenal tumours. Symptoms Vary depending on the glands affected and can include hormonal imbalances, fatigue, and weight changes. Diagnosis Genetic testingHormone level assessmentsImaging studies Treatment Depends on the tumours present and may include surgery, medications, or other therapies to manage hormone levels and tumour growth.Regular monitoring and early intervention are crucial for managing MEN syndromes.