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K D Liao, Y H Yu, Y G Li, L Chen, C Peng, P Liu, C L Chen, R Y Chen, M Zhong, Y Wang
OBJECTIVE: To describe three-dimensional (3D) magnetic resonance imaging (MRI) pelvimetry methods and to establish the pelvimetric reference in a large population of Chinese females at term pregnancy. METHODS: Three-hundred one pregnant women at term who underwent MRI were included. Three-dimensional pelvic models were reconstructed using Mimics. 10.0 software based on MRI data sets, and measurements of these models were made. Pelvimetric results according to delivery modality were presented...
May 2018: European Journal of Radiology
S Aubry, P Padoin, Y Petegnief, C Vidal, D Riethmuller, E Delabrousse
PURPOSE: To evaluate the reliability of pelvimetric measurements performed using stereoradiographic imaging (SRI), and to assess maternal and fetal radiation doses compared to low-dose computer tomography (CT) pelvimetry. MATERIALS AND METHODS: Thirty-five pregnant women (mean age, 29.6±5.5 [SD] years; range: 20-41 years) were prospectively included. All women underwent simultaneous frontal and lateral low-dose SRI and low-dose CT examination of the pelvis. Pelvimetry measurements were obtained from both examinations and radiation doses obtained with the two techniques were compared...
March 19, 2018: Diagnostic and Interventional Imaging
Franziska Hampel, Peter Hallscheidt, Christof Sohn, Bettina Schlehe, Kerstin A Brocker
AIMS: To perform pelvimetry in nulliparous and primiparous women using 3 Tesla magnetic resonance imaging (3T MRI). METHODS: Twenty-five nulliparous volunteers and 25 primiparous women underwent pelvic 3T MRI within one week after vaginal childbirth in a prospective clinical single-center trial. The pelvimetric parameters interspinous distance (ISD), intertuberous distance (ITD), sagittal outlet (SO), obstetric conjugate (OC), and coccygeal curved length (CCL) were adapted from anthropometric measurements as well as from sonographic and computed tomography-based pelvimetry performed on high-resolution T2-weighted images...
February 21, 2018: Neurourology and Urodynamics
Oksana Kolesova, Aleksandrs Kolesovs, Janis Vetra
The pelvis and the spine form a system balancing human skeleton. Within this system, the pelvis adapts to age-related changes in the spine. Previous studies were predominantly focused on changes of pelvic parameters in the sagittal plane. The aim of this study was to reveal age-related changes of lesser pelvic dimensions at different levels of the pelvic cavity in the sagittal and coronal planes and to explore sexual dimorphism in age-related tendencies. The computed tomography pelvimetry was performed on the three-dimensional workstation...
December 2017: Anatomy & Cell Biology
Sompol P Ermpongkosol, Supanun Aramay, Thawanrat Vattanakul, Sith Phongkitkarun
INTRODUCTION AND OBJECTIVE: To determine the association between the anthropometric measurements by magnetic resonance imaging (MRI) and perioperative outcomes of extraperitoneal laparoscopic radical prostatectomy (ELRP). MATERIALS AND METHODS: From 2008 to June 2016, 86 patients underwent preoperative MRI prior to undergoing ELRP for localized prostate cancer. We analyzed the associations between anthropometric measurements of MRI and the perioperative outcomes of patients who underwent ELRP...
October 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
Takehiro Shimada, Masashi Tsuruta, Hirotoshi Hasegawa, Koji Okabayashi, Takashi Ishida, Yusuke Asada, Hirofumi Suzumura, Yuko Kitagawa
PURPOSE: We evaluated pelvic shape as a predictor of the surgical outcome of anterior resection in patients with rectal cancer. METHODS: In total, 228 patients who had undergone anterior resection (R0 resection and double-stapling anastomosis) for rectal cancer from 2005 to 2014 were included in this study. The anteroposterior (AP) and transverse (T) diameters of the pelvic inlet and outlet and pelvic depth were analyzed on three-dimensional volume-rendered images, and the AP/T ratio was calculated...
January 2018: Surgery Today
Misaki Okumura, Aoi Ishikawa, Tomoki Aoyama, Shigehito Yamada, Chigako Uwabe, Hirohiko Imai, Tetsuya Matsuda, Akio Yoneyama, Tohoru Takeda, Tetsuya Takakuwa
The pelvic skeleton is formed via endochondral ossification. However, it is not known how the normal cartilage is formed before ossification occurs. Furthermore, the overall timeline of cartilage formation and the morphology of the cartilage in the pelvis are unclear. In this study, cartilage formation in the pelvic skeletons of 25 human fetuses (crown-rump length [CRL] = 11.9-75.0 mm) was observed using phase-contrast computed tomography and 7T magnetic resonance imaging. The chondrification center of the ilium, ischium, and pubis first appeared simultaneously at Carnegie stage (CS) 18, was located around the acetabulum, and grew radially in the later stage...
2017: PloS One
Robert C Pattinson, Anna Cuthbert, Valerie Vannevel
BACKGROUND: Pelvimetry assesses the size of a woman's pelvis aiming to predict whether she will be able to give birth vaginally or not. This can be done by clinical examination, or by conventional X-rays, computerised tomography (CT) scanning, or magnetic resonance imaging (MRI). OBJECTIVES: To assess the effects of pelvimetry (performed antenatally or intrapartum) on the method of birth, on perinatal mortality and morbidity, and on maternal morbidity. This review concentrates exclusively on women whose fetuses have a cephalic presentation...
March 30, 2017: Cochrane Database of Systematic Reviews
G Zur Hausen, J Gröne, D Kaufmann, S M Niehues, K Aschenbrenner, A Stroux, B Hamm, M E Kreis, Johannes C Lauscher
BACKGROUND: Low anterior resection (LAR) for rectal cancer is a potentially challenging operation due to limited space in the pelvis. CT pelvimetry allows to quantify pelvic space, so that its relationship with outcome after LAR may be assessed. Studies investigating this, however, yielded conflicting results. We hypothesized that a small pelvis is associated with a higher rate of incomplete mesorectal excision, anastomotic leakages, and increased rate of urinary dysfunction in patients operated for rectal cancer...
August 2017: International Journal of Colorectal Disease
Marie Franz, Amanda von Bismarck, Maria Delius, Birgit Ertl-Wagner, Charlotte Deppe, Sven Mahner, Uwe Hasbargen, Christoph Hübener
PURPOSE: The purpose of this study was to correlate MR pelvimetric pelvic inlet measurements with mode of delivery and neonatal outcome in patients with suspected fetopelvic disproportion or breech presentation. METHODS: For this retrospective monocentric study, 237 consecutive MR pelvimetry reports (1999-2016) of pregnant women due to either suspected fetopelvic disproportion, pelvic deformation after trauma, or persistent breech presentation were retrieved from the radiologic database and matched with corresponding information from the obstetric database...
January 2, 2017: Archives of Gynecology and Obstetrics
A Ben Abdennebi, S Aubry, L Ounalli, M S Fayache, E Delabrousse, Y Petegnief
PURPOSE: To estimate fetal absorbed doses for pregnant women pelvimetry, a comparative study between EOS imaging system and low-dose spiral CT-scanner was carried out. For this purpose three different studies were investigated: in vivo, in vitro and Monte Carlo calculations. METHODS: In vivo dosimetry was performed, using OSL NanoDot dosimeters, to determine the dose to the skin of twenty pregnant women. In vitro studies were established by using a cubic phantom of water, in order to estimate the out of field doses...
January 2017: Physica Medica: PM
M Bourdon, P F Ceccaldi, G Girard, M Koskas, F Goffinet, C Le Ray
OBJECTIVES: To study inter-observer variability of decision concerning the route of delivery using pelvimetry in case of one previous cesarean section and abnormal pelvic measures. MATERIALS AND METHOD: Observational study conducted in 2014 in 4 university maternity units among 36 obstetricians. Two groups of obstetricians - as they practiced in a center where pelvimetry was routinely performed (n=12) or not (n=24) - had to choose a route of delivery for 10 clinical cases of women with a single uterine scar and a tight pelvis...
November 2016: Journal de Gynécologie, Obstétrique et Biologie de la Reproduction
Janine Hoffmann, Katrin Thomassen, Patrick Stumpp, Matthias Grothoff, Christoph Engel, Thomas Kahn, Holger Stepan
BACKGROUND: Even if lower vaginal delivery success rates and impaired neonatal short-term outcomes have been reported for primiparous women with breech presentation, vaginal breech delivery remains an option for carefully selected patients. Because Magnetic resonance imaging (MRI) pelvimetry can provide additional information on maternal pelvic morphology, we sought to identify new MRI parameters that predict successful vaginal breech delivery. METHODS: In this retrospective unicentre study, 240 primiparous women with breech presentation at term underwent MRI pelvimetry...
2016: PloS One
Ismail Salk, Ali Cetin, Sultan Salk, Meral Cetin
BACKGROUND: We assessed retrospectively the reference values of pelvic dimensions by 3D CT performed for non-obstetrical indications in non-pregnant multiparous women with a successful vaginal delivery. We further aimed to evaluate the impact of maternal short stature on these parameters. MATERIAL/METHODS: The 3D CT pelvimetry was performed retrospectively in 203 non-pregnant women selected consecutively if they had at least one singleton term delivery with head presentation and if there was no history of maternal or fetal birth trauma or cerebral palsy after childbirth...
2016: Polish Journal of Radiology
Xiao-Cong Zhou, Meng Su, Ke-Qiong Hu, Yin-Fa Su, Ying-Hai Ye, Chong-Quan Huang, Zhen-Lei Yu, Xiao-Yang Li, Hong Zhou, Yao-Zhong Ni, Y I Jiang, Zheng Lou
The present study aimed to evaluate the predictive value of pelvic anatomical and clinicopathological parameters for use in the estimation of the likely technical difficulties that may be encountered when performing open rectal surgery for mid-low rectal cancer. Sixty consecutive patients, undergoing open rectal surgery for mid-low rectal cancer were recruited between June 2009 and April 2014. All of the surgical procedures conducted, were low anterior resection (LAR) or abdominoperineal resection (APR). The operations were performed by the same surgeon and surgical team...
January 2016: Oncology Letters
N Foray
Léon Bouchacourt (1865-1949) was a misknown pioneer of radiology and radiotherapy from Lyon, France. While he was resident in obstetrics in Hôpitaux de Paris from 1892 to 1898, he met Charcot, the future polar explorer, and wrote the first thesis dissertation about X-rays. He invented a new radiology technique for cavitary organs such as vagina, rectum and mouth, the endodiascopy, which permitted him to perform the first pelvimetry and dental radiographies in France. While he undertook the first trials of contact-radiotherapy, he was confronted with radiation-induced reactions...
December 2015: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
T Schmitz
OBJECTIVE: To determine the impact of (i) computed tomographic (CT) pelvimetry for the choice of the mode of delivery, (ii) cesarean, (iii) induction of labor, and of (iv) various delivery managements on the risk of shoulder dystocia in case of fetal macrosomia, with or without maternal diabetes, and in women with previous history of shoulder dystocia. METHODS: The PubMed database, the Cochrane Library and the recommendations from the French and foreign obstetrical societies or colleges have been consulted...
December 2015: Journal de Gynécologie, Obstétrique et Biologie de la Reproduction
Ismail Salk, Meral Cetin, Sultan Salk, Ali Cetin
OBJECTIVES: To determine the incidence of gynecoid pelvis by using classical criteria and measured parameters obtained from three-dimensional computed tomography (3D CT) pelvimetry in nonpregnant multiparous women who delivered vaginally. SUBJECTS AND METHODS: Our hospital's picture archiving and communication system was reviewed retrospectively. All adult women who had undergone CT examination with routine abdominal protocols were identified. In the pelvic inlet, midpelvis, and pelvic outlet, classical criteria and measured parameters, both alone and in combination, were used to determine the presence of gynecoid pelvis...
2016: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
Jan Tritten
No abstract text is available yet for this article.
2015: Midwifery Today with International Midwife
Elizabeth Davis
No abstract text is available yet for this article.
2015: Midwifery Today with International Midwife
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