Observational Study
Copyright ©The Author(s) 2024.
World J Gastrointest Oncol. Apr 15, 2024; 16(4): 1296-1308
Published online Apr 15, 2024. doi: 10.4251/wjgo.v16.i4.1296
Table 2 The computed tomography features of gastrointestinal stromal tumor patients included in this study, n (%)
Characteristics
KIT exon 11 mutation (n = 192)
Without KIT exon 11 mutation (n = 39)
P value
KIT exon 11 mutation with deletions involving codons 557-558 (n = 56)
KIT exon 11 mutation without deletions involving codons 557-558 (n = 136)
P value
Size (mm)51 (11-224)45 (10-201)0.68269 (31-224)42.5 (11-188)< 0.010
Shape
Regular66 (34.4)7 (17.9)0.0445 (8.9)61 (44.9)< 0.010
Irregular126 (65.6)32 (82.1)51 (91.1)75 (55.1)
Margin
Well-defined168 (87.5)23 (84.6)0.62544 (78.6)124 (91.2)0.016
Ill-defined24 (12.5)6 (15.4)12 (21.4)12 (8.8)
Growth pattern
Endophytic64 (33.3)6 (15.4)0.08312 (21.4)52 (38.2)0.010
Exophytic87 (45.3)22 (56.4)25 (44.6)62 (45.6)
Mixed41 (21.4)11 (28.2)19 (33.9)22 (16.2)
Density
Hypodensity175 (91.1)34 (87.2)0.64750 (89.3)125 (91.9)0.750
Isodensity15 (7.8)4 (10.3)5 (8.9)10 (7.4)
Hyperdensity2 (1.0)1 (2.6)1 (1.8)1 (0.7)
Pattern of enhancement
Homogeneous48 (25.0)5 (12.8)0.0995 (8.9)43 (31.6)0.001
Heterogeneous144 (75.0)34 (87.2)51 (91.1)93 (68.4)
Degree of enhancement
Mild71 (37.0)11 (28.2)0.01820 (35.7)51 (37.5)0.063
Moderate75 (39.1)10 (25.6)28 (50.0)47 (34.6)
Marked46 (24.0)18 (46.2)8 (14.3)38 (27.9)
Necrosis121 (63.0)28 (71.8)0.29643 (76.8)78 (57.4)0.011
Gas33 (17.2)4 (10.3)0.28214 (25.0)19 (14.0)0.066
Cystic change6 (3.1)4 (10.3)0.0460 (0)6 (4.4)0.110
Calcification23 (12.0)2 (5.1)0.2098 (14.3)15 (11.0)0.528
Superficial ulceration55 (28.6)10 (25.6)0.70419 (33.9)36 (26.5)0.299
Intra-tumoral vessel86 (44.8)14 (35.9)0.30734 (60.7)52 (38.2)0.004
Adjacent mesangial fat infiltration40 (20.8)9 (23.1)0.75520 (35.7)20 (14.7)0.001
Adjacent organ invasion29 (15.1)7 (17.9)0.65514 (25.0)15 (11.0)0.014
Lymphadenopathy14 (7.3)3 (7.7)0.9306 (10.7)8 (5.9)0.242
Distant metastasis4 (2.1)2 (5.1)0.2763 (5.4)1 (0.7)0.042