Innocenti T, Danti G, Lynch EN, Dragoni G, Gottin M, Fedeli F, Palatresi D, Biagini MR, Milani S, Miele V, Galli A. Higher volume growth rate is associated with development of worrisome features in patients with branch duct-intraductal papillary mucinous neoplasms. World J Clin Cases 2022; 10(17): 5667-5679 [PMID: 35979097 DOI: 10.12998/wjcc.v10.i17.5667]
Corresponding Author of This Article
Andrea Galli, MD, PhD, Full Professor, Gastroenterology Research Unit, Department of Experimental and Clinical Biomedical Sciences "Mario Serio”, University of Florence, Viale G.B. Morgagni, 50, Florence 50134, Italy. a.galli@dfc.unifi.it
Research Domain of This Article
Gastroenterology & Hepatology
Article-Type of This Article
Observational Study
Open-Access Policy of This Article
This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
World J Clin Cases. Jun 16, 2022; 10(17): 5667-5679 Published online Jun 16, 2022. doi: 10.12998/wjcc.v10.i17.5667
Table 1 Baseline and demographic characteristics of patients and cysts
Characteristics
n = 98
Males (%)
33 (33.7)
Females (%)
65 (66.3)
Median age at diagnosis (IQR)
69 (63-75)
Familial history (%)
9 (9.2)
History of diabetes (%)
16 (16.3)
Diabetes onset during follow-up (%)
0 (0.0)
Median follow-up [mo (IQR)]
40.5 (24-72)
Former smokers (%)
14 (14.3)
Active smokers (%)
8 (8.1)
Never smoked (%)
76 (77.6)
Multifocal
57 (58.2)
Largest cyst localization
Head (%)
44 (44.9)
Isthmus/body (%)
40 (40.8)
Tail (%)
14 (14.3)
Median cyst size
a [mm (IQR)]
9 (6-15)
b [mm (IQR)]
10 (6.75-16)
c [mm (IQR)]
10 (6-16)
Volume [cm3 (IQR)]
0.54 (0.17-1.65)
EUS
19 (19.4)
Median time to EUS (IQR)
6 (0-31.5)
FNA (%)
9 (47.4)
Cyst fluid amylases [IU/L (IQR)], n = 5
289 (69.25-1725.25)
Cyst fluid CEA [IU/L (IQR)], n = 6
166 (8.55-24062.75)
Serum CA19.9 [IU/L (IQR)], n = 25
25.2 (6.1-58.7)
Serum CEA [IU/L (IQR)], n = 22
2.15 (1.27-2.92)
Table 2 Baseline and demographic characteristics of patients and cysts: subgroups
Non-worrisome features (n = 88)
Worrisome features (n = 10)
P value
Males (%)
31 (35.2)
2 (20.0)
0.540234
Females (%)
57 (64.8)
8 (80.0)
0.540234
Median age at diagnosis (IQR)
70 (63.5-74.75)
67 (59.75-76.25)
0.58232
Familial history (%)
8 (9.1)
1 (10.0)
0.628786
History of diabetes (%)
14 (15.9)
2 (20.0)
0.904665
Diabetes onset during follow-up (%)
0 (0.0)
0 (0.0)
-
Median follow-up [mo (IQR)]
37.5 (23.25-71)
69.5 (46.5-94)
0.01828
Former smokers (%)
11 (12.5)
3 (30.0)
0.306885
Active smokers (%)
8 (9.1)
0 (0.0)
0.738111
Never smoked (%)
69 (78.4)
7 (70.0)
0.83833
Multifocal
52 (59.1)
5 (50.0)
0.830551
Largest cyst localization
Head (%)
39 (44.3)
5 (50.0)
0.994538
Isthmus/body (%)
35 (39.8)
5 (50.0)
0.776364
Tail (%)
14 (15.9)
0 (0.0)
0.746616
Median cyst size
a [mm (IQR)]
9 (6-13)
19 (11.25-21.25)
0.0035
b [mm (IQR)]
10 (6-15)
18 (10.75-20.75)
0.00652
c [mm (IQR)]
9.5 (6-15)
22.5 (12-27.65)
0.00424
EUS
14 (15.9)
5 (50.0)
0.030618
Median time to EUS (IQR)
3 (0-18.25)
29 (5.5-69.5)
0.22628
Serum CA19.9 [IU/L (IQR)], n = 25
6.2 (5.6-24.2)
23.8 (6.2-37.9)
0.1556
Serum CEA [IU/L (IQR)], n = 22
2.15 (1.28-2.93)
2.15 (1.55-2.75)
0.93624
Table 3 Patients who underwent surgery
Sex, age
Final cyst volume (cm3)
Growth rate (cm3/yr)
MPD (mm)
Location
CA19.9 (IU/L)
Time to surgery (mo)
Histopathology
Patient A
F, 68
28.73
33.91
< 5
Isthmus
33.2
85
LGD
Patient B
F, 74
14.70
24.27
< 5
Head
22.5
65
LGD
Table 4 Baseline cysts size
All (n = 98)
Non-worrisome features (n = 88)
Worrisome features (n = 10)
P value
a [mm (IQR)]
9 (6-15)
9 (6-13)
19 (11.25-21.25)
0.0035
b [mm (IQR)]
10 (6.75-16)
10 (6-15)
18 (10.75-20.75)
0.00652
c [mm (IQR)]
10 (6-16)
9.5 (6-15)
22.5 (12-27.65)
0.00424
volume [cm3 (IQR)]
0.54 (0.17-1.65)
0.45 (0.15-1.28)
5.28 (1.10-6.30)
0.00222
Table 5 Final cysts size
All (n = 98)
Non-worrisome features (n = 88)
Worrisome features (n = 10)
P value
a [mm (IQR)]
9 (6-16)
9 (6-13.75)
23 (13.5-27.5)
0.00288
b [mm (IQR)]
12 (7-18)
11 (7-16.75)
28 (19.25-37.5)
0.00054
c [mm (IQR)]
11 (7-18)
10.5 (6.25-16)
29 (15.75-38.75)
0.0003
volume [cm3 (IQR)]
0.58 (1.76-2.02)
0.52 (0.17-1.63)
10.17 (2.72-19.36)
0.0005
Table 6 Total cysts growth
All (n = 98)
Non-worrisome features (n = 88)
Worrisome features (n = 10)
P value
a [mm (IQR)]
0 (-0.25-2)
0 (-0.75-1.75)
2 (-0.5-8.75)
0.0601
b [mm (IQR)]
0 (0-3)
0 (0-2)
10 (-0.25-14.25)
0.01016
c [mm (IQR)]
0 (0-3)
0 (-1-2)
5 (3.25-14)
0.00008
Volume [cm3 (IQR)]
0.02 (-0.01-0.70)
0 (-0.03-0.24)
4.01 (0.83-13.87)
< 0.00001
Volume increased (%)
28 (28.6)
18 (20.4)
10 (100.0)
< 0.00001
Volume unchanged or reduced (%)
70 (71.4)
70 (79.6)
0 (0.0)
< 0.00001
Table 7 Yearly cysts growth rate
All (n = 98)
Non-worrisome features (n = 88)
Worrisome features (n = 10)
P value
a [mm/yr (IQR)]
0 (-0.04-0.73)
0 (-0.11-0.6)
0.63 (-0.11-1.275)
0.14156
b [mm/yr (IQR)]
0 (0-1.33)
0 (0-1.09)
1.55 (-0.53-3.52)
0.0394
c [mm/yr (IQR)]
0 (0-0.99)
0 (-0.29-0.71)
1.96 (0.64-2.47)
0.00152
Volume [cm3/yr (IQR)]
0 (-0.01-0.27)
0 (-0.02-0.17)
1.12 (0.28-2.65)
0.0001
Table 8 First-year cysts growth and development of worrisome features
All (n = 74)
Non-worrisome features (n = 64)
Worrisome features (n = 10)
P value
a [mm (IQR)]
0 (0-0.56)
0 (0-0.5)
0.47 (-0.11-1.1)
0.22628
b [mm (IQR)]
0 (0-1.13)
0 (0-0.14)
0.4 (-1.12-2.81)
0.64552
c [mm (IQR)]
0 (0-0.94)
0 (0-0.74)
1.4 (0-2.47)
0.00932
Volume [cm3 (IQR)]
0 (-0.02-0.18)
0 (-0.04-0.08)
0.46 (0-1.62)
0.00634
Volume increased (%)
35 (47.3)
28 (43.7)
7 (70.0)
0.227942
Volume unchanged or reduced (%)
39 (52.7)
36 (56.3)
3 (30.0)
0.227942
Citation: Innocenti T, Danti G, Lynch EN, Dragoni G, Gottin M, Fedeli F, Palatresi D, Biagini MR, Milani S, Miele V, Galli A. Higher volume growth rate is associated with development of worrisome features in patients with branch duct-intraductal papillary mucinous neoplasms. World J Clin Cases 2022; 10(17): 5667-5679