MEN1 and multiple endocrine neoplasia type 1: Herein, one patient with AA presented with familial MEN1 syndrome characterized by AA and pituitary adenoma; the patient harbored two somatic CDC73 alterations (c.9_18delCGTGCTTAGC: p.Asp3Glufs∗15, c.571delG: p.Ala191Leufs∗11) but lacked MEN1 mutation.