Clinical value of computed tomography-based three-dimensional reconstruction of the pelvis and mesorectum in middle to low rectal carcinoma

doi:10.4240/wjgs.v18.i5.119094

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World Journal of Gastrointestinal Surgery

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1948-9366

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Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Gastrointest Surg. May 27, 2026; 18(5): 119094
Published online May 27, 2026. doi: 10.4240/wjgs.v18.i5.119094

Table 3 Within-group comparison of pelvic measurements and soft tissue measurements in 20 patients

	mean ± SD/median (Q1, Q3)	mean ± SD/median (Q1, Q3)	r value (correlation coefficient)	P value (correlation coefficient)	P value (mean or median difference)
Anterior-posterior diameter of pelvic inlet (mm)	114.07 ± 12.58	113.74 ± 12.72	0.998	0.000^a	0.936
Transverse diameter of pelvic inlet (mm)	120.91 ± 8.22	120.60 ± 8.16	0.998	0.000^a	0.905
Anterior-posterior diameter of pelvic outlet (mm)	87.98 ± 12.07	88.12 ± 11.68	0.998	0.000^a	0.971
Interischial spine diameter (mm)	91.56 (85.19, 106.16)	91.02 (84.84, 106.15)	0.992	0.000^a	0.892
Interischial tuberosity diameter (mm)	97.128 ± 14.21	96.53 ± 14.35	0.998	0.000^a	0.896
Superior-inferior diameter of the pubic symphysis (mm)	36.94 (33.34, 40.26)	36.08 (32.99, 39.37)	0.838	0.000^a	0.589
Sacrococcygeal distance (mm)	127.09 ± 12.19	126.82 ± 12.35	0.998	0.000^a	0.944
sacrococcygeal-pubic angle (°)	55.49 (46.10, 60.55)	54.59 (46.58, 60.59)	0.989	0.000^a	0.978
Anterior-posterior diameter of pelvic inlet/sacrococcygeal distance	0.90 (0.82, 0.98)	0.90 (0.81, 0.98)	0.994	0.000^a	0.957
Rectal mesenteric fat volume at the level of the superior border of the 3^rd sacral vertebra (cm³)	178.91 (137.08, 198.96)	168.68 (135.51, 189.72)	0.92	0.000^a	0.534
Rectal mesenteric fat volume at the level of the sciatic spine (cm³)	39.15 (33.12, 56.53)	35.56 (30.62, 53.16)	0.974	0.000^a	0.626
Pelvic volume (cm³)	849.37 ± 112.75	836.76 ± 109.53	0.978	0.000^a	0.722
Anorectal angle (°)	119.99 ± 14.88	119.67 ± 14.77	0.995	0.000^a	0.946
Rectal mesenteric volume at the level of superior border of the 3^rd sacral vertebra (cm³)	247.14 (219.43, 301.38)	241.78 (211.90, 297.89)	0.892	0.000^a	0.516
Rectal volume at the level of the superior border of the 3^rd sacral vertebra (cm³)	78.49 (55.94, 119.31)	68.76 (53.53, 123.11)	0.991	0.000^a	0.589
Rectal mesenteric fat volume at the superior border of the 3^rd sacral vertebra/pelvic volume	0.32 ± 0.08	0.31 ± 0.07	0.964	0.000^a	0.619

^aP < 0.001.

If the data are normally distributed, they are expressed as mean ± SD; if not, they are expressed as median (Q1, Q3).

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Citation: Ke FY, Chen H, Liu JS, Li WC, Dhamija G, Viroja RD, Chen GP, Zhou XC. Clinical value of computed tomography-based three-dimensional reconstruction of the pelvis and mesorectum in middle to low rectal carcinoma. World J Gastrointest Surg 2026; 18(5): 119094
URL: https://www.wjgnet.com/1948-9366/full/v18/i5/119094.htm
DOI: https://dx.doi.org/10.4240/wjgs.v18.i5.119094

Ke FY, Chen H, Liu JS, Li WC, Dhamija G, Viroja RD, Chen GP, Zhou XC. Clinical value of computed tomography-based three-dimensional reconstruction of the pelvis and mesorectum in middle to low rectal carcinoma. World J Gastrointest Surg 2026; 18(5): 119094 [DOI: 10.4240/wjgs.v18.i5.119094]

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