Objective To study digital fine anatomy from 3D models of bladder and urethra of normal young nullipara in rest state. Methods The MRI data and general clinical information of gynecological patients in Nanfang hospital from January 2013 to October 2016 were collected and analyzed. 45 normal young nulliparas were selected according to the inclusion criteria, Mimics 10.01 software was used to reconstruct the 3D models, UG software was combined to measure most kinds of anatomy parameters, such as the length and the angle between bladder, urethra and pubic bone. Results 3D models of 45 patients were successfully built, including pelvis, uterus, bladder, urethra, vagina and rectum. The related anatomic parameters of bladder urethra were measured as follows: the angle of bladder and urethra: (146.3±16.6) °, β angle: (144.5±14.1) °, the angle of urethra pubic : (47.9±15.2) °, the angle of urethra: (18.5±9.2) °, α angle: (87.2±15.1) °. Urethral striated muscle thickness was (2.58±0.60) mm. Retropubic space was (15.96±3.52) mm. The distance between the bladder neck and the midpoint of lower margin of symphysis pubis was (23.66±3.97) mm. Conclusions 3D reconstruction technology is a good way to reproduce intuitively the three dimensional anatomical morphology of human bladder and urethra, providing a 3-D research platform for the fine anatomy of the bladder and urethra. By multiple diameters and angles measurement, it can reflect the functions of the bladder and urethra under normal conditions.
Chen Lan, Chen Chunlin, Liu Ping, Feng Jie, Wang Jianping, Tang Lian, Liao Kedan, Jiang Wenxuan, Liang Shiqi
. Digital fine anatomy of bladder and urethra in rest state of young nullipara with a normal pelvic floor function[J]. Chinese Journal of Clinical Anatomy, 2021
, 39(1)
: 31
-36
.
DOI: 10.13418/j.issn.1001-165x.2021.01.007
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