MEN1 and Adenoma sebaceum: In addition, some MEN1 patients may also develop adrenocortical tumors, lipomas, carcinoid tumors, facial angiofibromas and collagenomas (Bassett et al., 1998; Brandi et al., 2001; Calender et al., 1995; Marx et al., 1998; Trump et al., 1996).