A 20-year-old woman, gravid-1 para-0, was referred to the Gynaecology and Obstetrics Department at 21-weeks gestation with a diagnosis of CT in a spontaneous triplet pregnancy. There was no history of twinning in the family and medication use during early pregnancy. At referral, transvaginal ultrasound revealed a monochorionic-diamniotic triplet pregnancy with a set of CTs. One amniotic sac con...

OBJECTIVES To assess the accuracy of patient-specific instruments (PSIs) versus standard manual technique and the precision of computer-assisted planning and PSI-guided osteotomies in pelvic tumour resection. METHODS CT scans were obtained from five female cadaveric pelvises. Five osteotomies were designed using Mimics software: sacroiliac, biplanar supra-acetabular, two parallel iliopubic an...

We sought to define bone thickness in relation to the chondral surface at various depths along the anterior and posterior acetabular rim and safe portals for anchor insertion in these regions. Six cadaveric pelvises were mounted on a custom jig. A custom guide was attached to simulate anterolateral (AL), mid-anterior (MA), distal anterolateral (DALA) and posterolateral (PL) arthroscopy portals....

BACKGROUND Capsulectomy is performed during hip arthroscopic surgery in young adult patients with hip pain to improve intraoperative visualization. The stability of the hip joint after anterior capsulectomy is relatively unknown. PURPOSE To evaluate anterior hip stability in capsular sectioned states with a labral injury to test whether the load required for anterior translation would decreas...

BACKGROUND Pelvic reconstruction after hemipelvectomy can greatly improve the weight-bearing stability of the supporting skeleton and improve patients' quality of life. Although an autograft can be used to reconstruct pelvic defects, the most suitable choice of autograft, i.e., the use of either femur or tibia, has not been determined. We aimed to analyze the mechanical stresses of a pelvic rin...

Site-specific locking plates have gained popularity for the treatment of fractures. However, the clinical use of a site-specific locking plate for acetabular fractures remains untested due to production limits. To design a universal site-specific locking plate for acetabular fractures, the 3-dimensional (3D) photographic records of 171 pelvises were retrospectively studied to generate a univers...

The present study explored the benefit of preoperative chemoradiotherapy (PCRT) for sphincter preservation in locally advanced low-lying rectal cancer patients who underwent stapled anastomosis, especially in those with deep and narrow pelvises determined by magnetic resonance imaging.Patients with locally advanced low-lying rectal cancer (≤5 cm from the anal verge) who underwent stapled anasto...

PURPOSE To investigate the variability of the normal-sized fetal renal pelvis (≤5 mm) over time and to analyze repeatability of measurements. MATERIALS AND METHODS 98 fetal renal pelvises and 49 fetal urinary bladders were analyzed at a gestational age of 17-20 weeks at St. Olavs Hospital, Trondheim, Norway. The anterior-posterior diameter (APD) of the fetal renal pelvis and two diameters of ...

INTRODUCTION In open book injuries type Tile B1.1 or B1.2 also classified as APC II (anteroposterior compression), it remains controversial, if a fixation of the anterior ring provides sufficient stability or a fixation of the posterior ring should be included. Therefore the relative motion at the sacroiliac joint was quantified in a two-leg alternating load biomechanical pelvis model in the in...