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

Table 5 Gender comparison of pelvic and soft tissue parameters in 103 patients, mean ± SD/median (Q1, Q3)

	Total cases (n = 103)	Male (n = 71)	Female (n = 32)	P value
Anterior-posterior diameter of pelvic inlet (mm)	111.60 ± 12.86	107.21 ± 11.15	121.35 ± 11.01	0.000^b
Transverse diameter of pelvic inlet (mm)	122.90 ± 7.51	120.38 ± 6.36	128.50 ± 6.88	0.000^b
Anterior-posterior diameter of pelvic outlet (mm)	87.80 ± 8.86	85.837 ± 7.96	93.21 ± 8.47	0.000^b
Interischial spine diameter (mm)	92.54 (85.89, 101.40)	88.70 (83, 93.66)	106.35 (98.98, 108.94)	0.000^b
Interischial tuberosity diameter (mm)	97.69 ± 12.95	92.88 (86.91, 97.61)	111.28 (101.37, 118.30)	0.000^b
Superior-inferior diameter of the pubic symphysis (mm)	39.67 (36.55, 43.26)	39.92 (37.02, 44.22)	38.35 (35.63, 42.49)	0.180
Sacrococcygeal distance (mm)	123.40 ± 11.85	124.74 ± 11.14	120.44 ± 12.97	0.089
sacrococcygeal-pubic angle (°)	51.08 (45.10, 56.65)	54.17 (48.06, 58.46)	45 (40.76, 49.81)	0.000^b
Anterior-posterior diameter of pelvic inlet/sacrococcygeal distance	0.89 (0.83, 0.97)	0.85 (0.81, 0.91)	1.01 (0.92, 1.05)	0.000^b
Rectal mesenteric fat volume at the level of the superior border of the 3^rd sacral vertebra (cm³)	171.25 (136.59, 212.59)	184.47 (146.11, 222.21)	155.94 (119.33, 199.55)	0.047^a
Rectal volume at the level of the superior border of the 3^rd sacral vertebra (cm³)	66.87 (53.51, 95.88)	66.19 (51.83, 91.02)	69.68 (56.26, 100.46)	0.613
Rectal mesenteric fat volume at the level of the sciatic spine (cm³)	33.59 (24.40, 46.15)	40.42 (26.24, 49.66)	28.16 (21.20, 35.76)	0.001^a
Pelvic volume (cm³)	896.54 ± 113.97	876.50 ± 108.21	941.00 ± 115.49	0.007^a
Anorectal angle (°)	110.17 ± 16.36	110.11 ± 17.31	110.30 ± 14.29	0.958
Rectal mesenteric volume at the level of superior border of the 3^rd sacral vertebra (cm³)	250.79 (205.78, 294.21)	250.79 (215.41, 299.18)	238.86 (194.19, 286.30)	0.197
Rectal mesenteric fat volume at the superior border of the 3^rd sacral vertebra/pelvic volume	0.2880 ± 0.079	0.3019 ± 0.078	0.2569 ± 0.073	0.007^a

^aP < 0.05.

^bP < 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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