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https://www.readbyqxmd.com/read/28633957/displacement-patterns-of-stranded-i-125-seeds-after-permanent-brachytherapy-of-the-prostate-dosimetry-in-the-operating-room-put-into-perspective
#1
Marcel J Steggerda, Ferrie van den Boom, Thelma Witteveen, Luc M F Moonen
BACKGROUND AND PURPOSE: The reliability of post-implant dosimetry in the OR depends on the geometrical variability of implant and anatomy after the procedure. The purpose was to gain detailed information on seed displacement patterns in different sectors of the prostate. MATERIALS AND METHODS: Of 33 patients with stranded seed implants the seed geometry and the dose distribution were compared between the situation in the OR just after the procedure, based on ultrasound images, and the situation after 1month, based on registered CT and MR images...
June 17, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28631143/post-operative-3d-ct-feedback-improves-accuracy-and-precision-in-the-learning-curve-of-anatomic-acl-femoral-tunnel-placement
#2
Luigi Sirleo, Massimo Innocenti, Matteo Innocenti, Roberto Civinini, Christian Carulli, Fabrizio Matassi
PURPOSE: To evaluate the feedback from post-operative three-dimensional computed tomography (3D-CT) on femoral tunnel placement in the learning process, to obtain an anatomic anterior cruciate ligament (ACL) reconstruction. METHODS: A series of 60 consecutive patients undergoing primary ACL reconstruction using autologous hamstrings single-bundle outside-in technique were prospectively included in the study. ACL reconstructions were performed by the same trainee-surgeon during his learning phase of anatomic ACL femoral tunnel placement...
June 19, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28630717/arthroscopic-hip-preservation-surgery-practice-patterns-an-international-survey
#3
Kevin M Smith, Brayden J Gerrie, Patrick C McCulloch, Brian D Lewis, R Chad Mather, Geoffrey Van Thiel, Shane J Nho, Joshua D Harris
To design and conduct a survey analyzing pre-, intra- and post- hip arthroscopy practice patterns among hip arthroscopists worldwide. A 21-question, IRB-exempt, HIPAA-compliant, cross-sectional survey was conducted via email using SurveyMonkey to examine pre-operative evaluation, intra-operative techniques and post-operative management. The survey was administered internationally to 151 hip arthroscopists identified from publicly available sources. Seventy-five respondents completed the survey (151 ± 116 hip arthroscopy procedures per year; 8...
January 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28629607/post-operative-management-of-perforated-appendicitis-can-clinical-pathways-improve-outcomes
#4
Robert R Gerard, Barrett A Kielhorn, Laurence E McCahill, Brent Petersen, Andrew J Mullard
BACKGROUND: We sought to decrease organ space infection (OSI) following appendectomy for perforated acute appendicitis (PAA) by minimizing variation in clinical management. OBJECTIVE: A postoperative treatment pathway was developed and four recommendations were implemented: 1) clear documentation of post-operative diagnosis, 2) patients with unknown perforation status to be treated as perforated pending definitive diagnosis, 3) antibiotic therapy to be continued post operatively for 4-7 days after SIRS resolution, and 4) judicious use of abdominal computed tomography (CT) scanning prior to post-operative day 5...
June 10, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28625909/multilevel-acdf-with-zero-profile-devices-analysis-of-safety-and-feasibility-with-a-focus-on-sagittal-alignment-and-its-impact-on-clinical-outcome-a-single-institution-experience-and-review-of-the-literature
#5
Vincenzo Albanese, Francesco Certo, Massimiliano Visocchi, Giuseppe Mv Barbagallo
BACKGROUND: In multilevel degenerative conditions posterior approaches are often preferred, but anterior approaches provide comparable clinical results and better alignment. Anterior plating entails higher rates of soft tissue injuries and dysphagia, particularly in multilevel cases. This study evaluates efficacy and safety of zero-profile devices in three and four-level ACDF, analyzing patients' clinical and radiological long-term outcome. METHODS: We prospectively enrolled 24 patients with cervical spondylotic myeloradiculopathy (CSM), who underwent three and four-level ACDF with Zero-P device...
June 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28624855/ct-arthrography-visualizes-tissue-growth-of-osteochondral-defects-of-the-talus-after-microfracture
#6
Hong-Geun Jung, Na-Ra Kim, Ji-Young Jeon, Dong-Oh Lee, Jun-Sang Eom, Jong-Soo Lee, Sung-Wook Kim
PURPOSE: Little is known about the arthroscopic or radiographic outcomes after arthroscopic microfracture of osteochondral lesions of the talus (OLTs). The purpose of this study was to investigate tissue growth after arthroscopic microfracture of OLTs using computed tomography arthrography (CTA) and to identify the relationship between CTA findings and clinical outcomes. We hypothesized that the morphology of the repaired tissue would be similar to that of normal anatomy and correlate with the clinical outcomes...
June 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28619290/sparing-dysphagia-aspiration-related-structures-using-novel-hybrid-volumetric-modulated-arc-therapy
#7
Sitaraman BalajiSubramanian, Karunakaran Balaji, Moorthi Thirunavukarasu, Sumana Premkumar
PURPOSE: Studies using split field IMRT to spare dysphagia/aspiration related structures (DARS) have raised concern regarding dose uncertainty at matchline. This study explores the utility of hybrid VMAT in sparing the DARS and assesses matchline dose uncertainty in postoperative oral cavity cancer patients and compares it with VMAT. METHODS & MATERIALS: Ten postoperative oral cavity cancer patients were planned with h-VMAT and VMAT using the same planning CT dataset...
June 12, 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28618097/accuracy-of-navigated-cam-resection-in-femoroacetabular-impingement-a-randomised-controlled-trial
#8
Jan Van Houcke, Vikas Khanduja, Naoki Nakano, Peter Krekel, Christophe Pattyn, Emmanuel Audenaert
BACKGROUND: The main cause for revision hip arthroscopy surgery is incomplete bony resection of femoroacetabular impingement (FAI). This study aimed to compare the cam resection accuracy via the conventional hip arthroscopy technique with the navigation technique. METHODS: Two prospectively randomized groups were recruited: navigated (n = 15) and conventional (n = 14). A pre-operative CT and post-operative MRI scan were obtained in all cases to compare alpha angle, range of motion simulation and determine a pre-operative 3D surgical resection plan...
June 15, 2017: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/28616222/a-case-report-of-an-unusual-cause-of-postoperative-leg-pain-after-posterior-lumbar-fusion
#9
R Daureeawoo, S Baliga, W Mohahmed, E B Ahmed
We report the case of a 36-year old man who underwent elective posterior lumbar spinal fusion after presenting with bilateral leg pain with associated back pain. He had undergone a L5/S1 discectomy in 2001, which provided good symptomatic relief. On this admission, he underwent elective L4-S1 posterolateral fusion and bilateral L4/5 and L5/S1 decompression. Intra-operatively a pedicle screw had to be re-inserted after fluoroscopy confirmed a lateral breech. The patient had no major postoperative complications until the sixth day when the patient re-presented with acute leg pain and weakness...
July 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28607887/odontogenic-tumours-of-jaw-a-prospective-study-on-clinico-pathological-profile-and-their-management
#10
Dwaipayan Mukherjee, Chiranjib Das, Pritam Chatterjee
Odontogenic tumours are a group of heterogeneous diseases that range from hamartomatous or non-neoplastic tissue proliferations to benign neoplasms to malignant tumours with metastatic potential. They are rare, comprising about <2-3% of all oral and maxillofacial biopsy specimens. The aim of the present study was to determine the clinico-pathological presentation of this heterogeneous group of lesions and review of literature. The present study was conducted in the ENT department of a Government Medical College and Hospital, West Bengal, India, over the period of 5 years from January 2011 to December 2015...
June 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28604581/vascular-tos-creating-a-protocol-and-sticking-to-it
#11
REVIEW
Meena Archie, David Rigberg
Thoracic Outlet Syndrome (TOS) describes a set of disorders that arise from compression of the neurovascular structures that exit the thorax and enter the upper extremity. This can present as one of three subtypes: neurogenic, venous, or arterial. The objective of this section is to outline our current practice at a single, high-volume institution for venous and arterial TOS. VTOS: Patients who present within two weeks of acute deep vein thrombosis (DVT) are treated with anticoagulation, venography, and thrombolysis...
June 10, 2017: Diagnostics
https://www.readbyqxmd.com/read/28602487/using-side-opening-injection-cannulas-to-prevent-cement-leakage%C3%A2-in%C3%A2-percutaneous-vertebroplasty-for-osteoporotic-vertebral%C3%A2-compression-fractures-does-it-really-work
#12
Jigang Li, Tao Li, Qiuhong Ma, Jianmin Li
BACKGROUND: Percutaneous vertebroplasty has been widely applied in the treatment of osteoporotic vertebral compression fractures over the past two decades. However as one of the major complications, the rate of cement leakage seems not to be decreased significantly. In this study, the rate of cement leakage was compared between two groups using two different cement injection cannulas. The purpose was to determine the efficacy of side-opening cannula on preventing cement leakage in vertebroplasty for the treatment of osteoporotic vertebral compression fractures...
June 8, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28601990/application-of-a-novel-3d-drill-template-for-cervical-pedicle-screw-tunnel-design-a-cadaveric-study
#13
Zhengxi Yu, Guodong Zhang, Xuanhuang Chen, Xu Chen, Changfu Wu, Yijun Lin, Wenhua Huang, Haibin Lin
PURPOSE: To develop and validate the efficacy and accuracy of a three-dimensional (3D) computed tomography (CT) reconstructive rapid prototyping drill template for cervical pedicle screw placement. METHODS: CT thin-layer scans were obtained from 12 adult cadaveric cervical specimens and reconstructed. The ideal screw channels were chosen by analyzing the cross sections of the reconstructed 3D images. The navigation templates were designed and printed based on the optimal screw channels...
June 10, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28600478/clinical-implications-of-monitoring-circulating-tumor-dna-in-patients-with-colorectal-cancer
#14
Lone V Schøler, Thomas Reinert, Mai-Britt W Ørntoft, Christine Gaasdal Kassentoft, Sigrid S Árnadóttir, Søren Vang, Iver Nordentoft, Michael Knudsen, Philippe Lamy, Ditte Andreasen, Frank V Mortensen, Anders Riegels Knudsen, Katrine Stribolt, Kim Sivesgaard, Peter Mouritzen, Hans Jørgen Nielsen, Søren Laurberg, Torben F Ørntoft, Claus L Andersen
We investigated if detection of circulating tumor DNA (ctDNA) after resection of colorectal cancer (CRC) identifies the patients with the highest risk of relapse, and furthermore, whether longitudinal ctDNA analysis allows early detection of relapse and informs about response to intervention.<br /><br />Experimental Design: In this longitudinal cohort study we used massively parallel sequencing to identify somatic mutations and used these as ctDNA markers to detect minimal residual disease and to monitor changes in tumor burden during a three year follow-up period...
June 9, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28587326/degradation-of-mg-6zn-alloy-stents-does-not-influence-the-healing-of-the-common-bile-duct-in-vivo
#15
Yigang Chen, Nianfeng Sun, Jie Zhang, Shaoxiang Zhang, Changli Zhao, Jiazeng Xia
To investigate the effects of Mg-6Zn alloy on the healing of the common bile duct (CBD), Mg-6Zn alloy stents were implanted into the CBDs of rabbits. Stainless steel stents were transplanted into a second group of rabbits to serve as a control. Computed tomography (CT) scanning was performed and weight loss was recorded to evaluate the in vivo degradation process. Hematoxylin and eosin staining and immunohistochemical analyses were performed to determine the expressions of transforming growth factor (TGF)-β, vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (bFGF) and evaluate CBD healing...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28585161/is-18-f-fdg-pet-useful-for-predicting-r0-resection-after-induction-therapy-for-initially-unresectable-locally-advanced-esophageal-carcinoma
#16
Keijiro Sugimura, Hiroshi Miyata, Masahiko Yano, Yoshitomo Yanagimoto, Moon Jeong Ho, Shogo Kobayashi, Hidenori Takahashi, Takeshi Omori, Masayuki Ohue, Masato Sakon
OBJECTIVE: Induction therapy followed by surgery is a promising strategy for esophageal cancer patients with invasion of the trachea/bronchus or aorta. However, no diagnostic criteria have been established to diagnose whether R0 resection can be performed. We investigated whether (18)F-2-deoxy-D-glucose positron emission tomography ((18)F-FDG-PET) and other modalities are useful for predicting R0 resection. METHODS: Fifty-seven patients with esophageal cancer invading the trachea/bronchus or aorta who underwent induction therapy followed by surgery were enrolled...
June 5, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28585147/optimal-threshold-of-stimulated-serum-thyroglobulin-level-for-18-f-fdg-pet-ct-imaging-in-patients-with-thyroid-cancer
#17
Hong Chai, Hu Zhang, Yong-Li Yu, Yun-Chao Gao
This study was to explore the optimal threshold of thyroid-stimulating hormone (TSH)-stimulated serum thyroglobulin (s-Tg) for patients who were to receive (18)F-fluorodeoxyglucose ((18)F-FDG) PET/CT scan owing to clinical suspicion of differentiated thyroid cancer (DTC) recurrence but negative post-therapeutic (131)I whole-body scan ((131)I-WBS). A total of 60 qualified patients underwent PET/CT scanning from October 2010 to July 2014. The receiver operating characteristic (ROC) curve analyses showed that s-Tg levels over 49 μg/L led to the highest diagnostic accuracy of PET/CT to detect recurrence, with a sensitivity of 89...
June 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28583627/resectable-pancreatic-adenocarcinoma-role-of-ct-quantitative-imaging-biomarkers-for-predicting-pathology-and-patient-outcomes
#18
Christophe Cassinotto, Jaron Chong, George Zogopoulos, Caroline Reinhold, Laurence Chiche, Jean-Pierre Lafourcade, Adeline Cuggia, Eric Terrebonne, Anthony Dohan, Benoît Gallix
BACKGROUNDS: Patients with a pancreatic cancer amenable to surgery still have a poor prognosis and high risk of post-operative recurrence. We aimed to assess the value of quantitative imaging biomarkers using computed-tomography (CT) texture analysis to evaluate the pathologic tumor aggressiveness and predict disease-free survival (DFS) in patients with resectable pancreatic adenocarcinoma. METHODS: We retrospectively performed attenuation measurements and texture analysis on the portal-venous phase of the pre-operative CT scan of 99 patients that underwent resection of a pancreatic ductal adenocarcinoma in two university hospitals...
May 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28580042/role-of-computed-tomography-ct-in-localisation-and-characterisation-of-suprahyoid-neck-masses
#19
Rashmeet Kaur, Paramdeep Singh, Navkiran Kaur, Simmi Bhatnagar, Anshul Dahuja
BACKGROUND: Suprahyoid neck lesions are difficult to assess only by means of clinical inspection and therefore imaging techniques are required to precisely evaluate suprahyoid neck spaces. The aim of this study was to evaluate the distinctive role of computed tomography in the assessment of anatomical source and pathological type of masses involving the suprahyoid neck spaces. MATERIAL/METHODS: Sixty patients presenting with suprahyoid neck masses underwent computed tomography of the neck...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28579132/optimization-of-sagittal-and-coronal-planes-with-robotic-assisted-unicompartmental-knee-arthroplasty
#20
Michael A Gaudiani, Benedict U Nwachukwu, Jayesh V Baviskar, Mrinal Sharma, Anil S Ranawat
BACKGROUND: One of the anatomic goals of total knee arthroplasty (TKA) is optimizing in the coronal and sagittal plane. Accurate alignments of both planes have been correlated to functional outcome and range of motion. There is a paucity of evidence on the accuracy of unicompartmental knee arthroplasty (UKA) in balancing biplanar knee alignment - specifically sagittal plane alignment. Because robotic assisted UKA has an advantage of more accurately manipulating sagittal plane for optimal alignment and kinematics based on pre-operative and intraoperative CT planning we assessed the accuracy...
June 1, 2017: Knee
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