For the first comparison with small series or case reports of patients with MEN1 with PETs (MEN1/PET patients) with at least 1 reported death not peptic ulcer disease related, we identified 108 separate reports containing 227 patients; 62 reports contained a single case4–6,25,28,32,68,70,82,86,97,109,111,112,119,125,142,156,162,165,202,206,207,213,216,229,236,249,264,296,297,300,301,304–306,311,313,333,334,358,359,361,369,381,386,387,391,393,396,398,409,411,414,426,430,438,449,460,462,464,467,468 and 40 contained >1 case (mean, 4.3 cases/report).21,22,30,40,41,46,94,113,120,153,166,180,203,223,226,230,238,244,246,247,303,346,353,362,372,375,389,398,406,407,413,425,427,431,440,443,458,461,466,475