“…2,25 On endoscopic Ultrasound (EUS) associated with fine needle puncture of the cyst fluid, antigen carcinoembryonic values above 200ng/mL, 192-favor the diagnosis of MCN; as well as DNA sequence analysis with mutation in the KRAS without mutation of GNAS, favors the diagnosis of MCN at the expense of other cystic lesions. 29 ( Figure 8, 9). According to the guideline of Fukuoka 2012 resection is recommended for all surgical lesions of suggestive of MCN.…”