MEN1 and neuroendocrine neoplasm: Other diseases related to MEN1 include the so-called “carcinoid” tumors (currently called neuroendocrine neoplasms), located mainly in foregut, stomach, bronchus, or timus; skin manifestations that include facial angiofibromas, collagenomas, and macules; neuroendocrine tumors and specific nonendocrine tumors [7].