. Author manuscript; available in PMC: 2015 Jun 9.

Published in final edited form as: Am J Surg Pathol. 2015 Feb;39(2):179–187. doi: 10.1097/PAS.0000000000000357

TABLE 2.

Comparative Analysis of MCNs With and Without Invasive Carcinoma

Clinicopathologic Findings	MCN With Invasive Carcinoma (n=29)	MCN Without Invasive Carcinoma (n=149)^*	P
Mean age (range)	53 (23–81)	46 (29–80)	0.214
High CA19-9 (> 37U/L) (n [%])	7/11 (63.6)	10/43 (23.3)	0.011
High CEA (> 7ng/mL)	0/8	4/31 (12.9%)	0.284
Mean cyst (tumor) size (cm)	9.4	5.4	0.006
Intracystic papillary nodule (≥ 1 cm)
Incidence (n [%])	23/29 (79.3)	13/149 (8.7)	0.000
Median size (cm)	2.3	1.6	0.05

MCN with LGD, IGD, and HGD/CIS.

CA19-9 indicates carbohydrate antigen 19-9; CEA, carcinoembryonic antigen.