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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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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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 4 Between-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)
Transverse diameter of pelvic inlet (mm)	124.44 ± 6.87	123.84 ± 6.93	0.988	0.000^a	0.782
Anterior-posterior diameter of pelvic outlet (mm)	87.74 ± 8.45	87.61 ± 8.27	0.983	0.000^a	0.962
Interischial spine diameter (mm)	93.02 (86.26, 100.70)	91.98 (86.63, 100.32)	0.991	0.000^a	0.925
Interischial tuberosity diameter (mm)	96.90 ± 13.52	96.74 ± 13.33	0.997	0.000^a	0.969
Superior-inferior diameter of the pubic symphysis (mm)	38.24 (35.63, 41.85)	37.68 (33.50, 42.26)	0.896	0.000^a	0.589
Sacrococcygeal distance (mm)	122.33 ± 9.10	122.12 ± 9.05	0.992	0.000^a	0.940
sacrococcygeal-pubic angle (°)	50.56 (45.18, 55.68)	51.35 (44.52, 54.76)	0.956	0.000^a	0.620
Anterior-posterior diameter of pelvic inlet/sacrococcygeal distance	0.91 (0.83, 1.02)	0.91 (0.84, 1.01)	0.992	0.000^a	0.989
Rectal mesenteric fat volume at the level of the superior border of the 3^rd sacral vertebra (cm³)	170.50 (135.04, 213.31)	169.18 (111.89, 235.48)	0.814	0.000^a	0.968
Rectal mesenteric fat volume at the level of the sciatic spine (cm³)	31.10 (24.55, 48.92)	30.85 (22.43, 46.44)	0.856	0.000^a	0.883
Pelvic volume (cm³)	920.94 ± 110.70	946.28 ± 142.86	0.898	0.000^a	0.534
Anorectal angle (°)	104.79 ± 14.39	105.21 ± 14.37	0.996	0.000^a	0.926
Rectal mesenteric volume at the level of superior border of the 3^rd sacral vertebra (cm³)	258.69 (212.54, 295.30)	249.25 (185.80, 321.64)	0.826	0.000^a	0.883
Rectal volume at the level of the superior border of the 3^rd sacral vertebra (cm³)	71.82 (58.29, 104.09)	77.43 (59.98, 93.66)	0.892	0.000^a	1.000
Rectal mesenteric fat volume at the superior border of the 3^rd sacral vertebra/pelvic volume	0.28 ± 0.09	0.28 ± 0.12	0.909	0.000^a	0.955

^aP < 0.001.

If the normal distribution is satisfied, it is expressed as mean ± SD; if not, it is 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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