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Orthopedic oncology

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https://www.readbyqxmd.com/read/28643081/distraction-osteogenesis-reconstruction-of-large-segmental-bone-defects-after-primary-tumor-resection-pitfalls-and-benefits
#1
REVIEW
Jan Lesensky, Daniel E Prince
Successful cure is achieved in almost 70% of patients with primary bone sarcomas with currently available therapies. Some soft tissue sarcomas require wide bone resection in order to achieve appropriate margins for cure of disease, and patients undergoing these procedures need durable reconstruction. Biological reconstruction has been shown to provide patients with superior long-term results over other alternatives. Distraction osteogenesis is well studied in the correction of deformities as well as in addressing some congenital musculoskeletal pathologies...
August 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28601782/neuropraxia-following-resection-of-a-retroperitoneal-liposarcoma
#2
Stevenson Tsiao, Nail Aydin, Subhasis Misra
BACKGROUND: This is a unique case of neuropraxia of femoral nerve seen after resection of retroperitoneal liposarcoma which has not been reported before in the literature. INTRODUCTION: Neuropraxia, a transient paralysis due to blockage of nerve conduction, commonly associated with athletes and orthopedic procedures, has not been previously reported as a complication following resection of retroperitoneal sarcoma. CASE: This is an 81-year-old female who, on CT for evaluation of her atherosclerosis, was found to have an incidental right-sided retroperitoneal mass extending from the right renal capsule inferiorly through the inguinal canal...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28510331/isolation-of-ready-to-use-adipose-derived-stem-cell-asc-pellet-for-clinical-applications-and-a-comparative-overview-of-alternate-methods-for-asc-isolation
#3
Edoardo Raposio, Nicolò Bertozzi
Current literature does not offer a standardized method to isolate adipose-derived stem cells (ASCs) for clinical applications and hence clinical studies using ASCs often show inconsistent results. Most of these studies borrow laboratory or benchside-derived protocols, which are complex, time consuming, and involve the use of chemical, animal-derived reagents. In this unit we describe a relatively simple and faster isolation protocol that allows collection of a ready-to-use ASC pellet for clinical application...
May 16, 2017: Current Protocols in Stem Cell Biology
https://www.readbyqxmd.com/read/28505704/-compilation-of-second-opinion-programs-in-the-german-statutory-health-insurance
#4
Dawid Pieper, Simone Heß, Tim Mathes
Objective According to a new legislation passed in 2016, patients with an indication for elective procedures have the right to obtain a second opinion. The Federal Joint Committee has not yet provided a list of indications that this legislation will cover. Independently of this, the statutory health insurances can, nonetheless, pay for a second opinion. The aim of this article is to give an overview of current second opinion programs delivered by the statutory health insurance schemes. Methods Websites of all German statutory health insurance schemes (n=117) were searched for second opinion programs and their features in November 2016...
May 15, 2017: Das Gesundheitswesen
https://www.readbyqxmd.com/read/28431546/health-care-public-reporting-utilization-user-clusters-web-trails-and-usage-barriers-on-germany-s-public-reporting-portal-weisse-liste-de
#5
Christoph Pross, Lars-Henrik Averdunk, Josip Stjepanovic, Reinhard Busse, Alexander Geissler
BACKGROUND: Quality of care public reporting provides structural, process and outcome information to facilitate hospital choice and strengthen quality competition. Yet, evidence indicates that patients rarely use this information in their decision-making, due to limited awareness of the data and complex and conflicting information. While there is enthusiasm among policy makers for public reporting, clinicians and researchers doubt its overall impact. Almost no study has analyzed how users behave on public reporting portals, which information they seek out and when they abort their search...
April 21, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28414677/a-rare-case-of-tropical-pyomysitis-acquired-on-vacation-in-a-healthy-male
#6
K Poole, T Tran
INTRODUCTION: Pyomyositis has traditionally been considered a tropical disease. Increasing prevalence has been observed in more northern climates, especially with HIV, immunosuppression, and IV drug abuse as predisposing factors. Pyomyositis has the tendency to mimic other conditions, such as muscle contusion, necrotizing fasciitis, or septic arthritis. The rarity of this disease and non-specificity of its symptoms often lead to delay in appropriate diagnosis and treatment. CASE: 24-year-old man, seen 2 days prior in orthopedics clinic and the Emergency Department for persistent gluteal pain thought to be due to right-sided sciatica, was admitted following worsening pain, diffuse generalized weakness with polyarthralgias and myalgias These symptoms were associated with night sweats, shaking chills, and difficulty walking...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28367018/blood-transfusion-practices-in-a-tertiary-care-center-in-northern-india
#7
Sonam Kumari
BACKGROUND: Blood transfusion plays vital roles in the medical and surgical practice. To achieve optimum use of blood, transfusion has to be appropriate and judicious consuming minimal resources and manpower. OBJECTIVE: To evaluate the pattern of blood transfusion requests and utilization with the aim of determining transfusion practice. MATERIALS AND METHODS: Blood request forms and cross-match worksheets at the blood bank were analyzed over a 6-month period...
April 2017: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/28242336/most-efficient-questionnaires-to-measure-quality-of-life-physical-function-and-pain-in-patients-with-metastatic-spine-disease-a-cross-sectional-prospective-survey-study
#8
Nuno Rui Paulino Pereira, Stein J Janssen, Kevin A Raskin, Francis J Hornicek, Marco L Ferrone, John H Shin, Jos A M Bramer, Cornelis Nicolaas van Dijk, Joseph H Schwab
BACKGROUND CONTEXT: Assessing quality of life, functional outcome, and pain has become important in assessing the effectiveness of treatment for metastatic spine disease. Many questionnaires are able to measure these outcomes; few are validated in patients with metastatic spine disease. As a result, there is no consensus on the ideal questionnaire to use in these patients. PURPOSE: Our study aim was to assess whether certain questionnaires measuring quality of life, functional outcome, and pain (1) correlated with each other, (2) measured the construct they claim to measure, (3) had good coverage-floor and ceiling effects, (4) were reliable, and (5) whether there were differences in completion time between them...
July 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28238666/clinical-impact-of-second-opinion-musculoskeletal-subspecialty-interpretations-during-a-multidisciplinary-orthopedic-oncology-conference
#9
Aleksandr Rozenberg, Barry E Kenneally, John A Abraham, Kristin Strogus, Johannes B Roedl, William B Morrison, Adam C Zoga
PURPOSE: To analyze the impact on clinical management when musculoskeletal radiologists render second-opinion consultations during multidisciplinary orthopedic oncology conference. METHODS: A PACS database was searched for secondary interpretations on outside MRI studies reviewed during a multidisciplinary orthopedic oncology conference from January 2014 to December 2016. Reports were compared with the original interpretations, when available. Reports were categorized using a 7-point scale: I (no discrepancy), II (undetected clinically insignificant abnormality), III (clinically insignificant difference in interpretation), IV (difference in imaging follow-up recommendation), V (equivocal initial interpretation with subsequent definitive subspecialty interpretation), VI (clinically significant difference in interpretation), VII (failure to detect a clinically significant abnormality)...
February 23, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28237000/dose-estimation-in-pediatric-nuclear-medicine
#10
REVIEW
Frederic H Fahey, Alison B Goodkind, Donika Plyku, Kitiwat Khamwan, Shannon E O'Reilly, Xinhua Cao, Eric C Frey, Ye Li, Wesley E Bolch, George Sgouros, S Ted Treves
The practice of nuclear medicine in children is well established for imaging practically all physiologic systems but particularly in the fields of oncology, neurology, urology, and orthopedics. Pediatric nuclear medicine yields images of physiologic and molecular processes that can provide essential diagnostic information to the clinician. However, nuclear medicine involves the administration of radiopharmaceuticals that expose the patient to ionizing radiation and children are thought to be at a higher risk for adverse effects from radiation exposure than adults...
March 2017: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/28180954/magnetic-resonance-imaging-appearance-of-soft-tissue-metastases-our-experience-at-an-orthopedic-oncology-center
#11
Jennifer Sammon, Abhishek Jain, Robert Bleakney, Rakesh Mohankumar
OBJECTIVE: To assess the prevalence and magnetic resonance imaging appearance of metastasis presenting as a soft-tissue mass. MATERIALS AND METHODS: A retrospective chart review was performed on 51 patients who presented to an orthopedic oncology center with soft-tissue masses, with a histology-proven diagnosis of soft-tissue metastasis, over a 14-year period. Their magnetic resonance imaging, primary origin, and follow-up have been assessed. RESULTS: Soft-tissue metastasis was identified in patients ranging from 18 to 85 years old...
April 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28029391/off-hour-surgery-among-orthopedic-subspecialties-at-an-urban-quaternary-care-level-1-trauma-center
#12
Amanda Lans, Stein J Janssen, David Ring
PURPOSE: We sought to determine and quantify which subspecialties of orthopedic surgeons are operating off hours in an urban, quaternary-care, level 1 trauma center. MATERIALS AND METHODS: We used our clinical registry to identify 43,211 orthopedic surgeries performed between January 2008 and December 2011. Our outcome measures were the number and proportion of off-hour surgeries performed as well as the number and proportion of off-hours per subspecialty. The denominators were the total number of surgeries and the total number of surgical hours worked per subspecialty...
October 28, 2016: Journal of Hand Surgery
https://www.readbyqxmd.com/read/27973950/a-computer-assisted-navigation-technique-to-perform-bone-tumor-resection-without-dedicated-software
#13
Carmine Zoccali, Christina M Walter, Leonardo Favale, Alexander Di Francesco, Barbara Rossi
PURPOSE: In oncological orthopedics, navigation systems are limited to use in specialized centers, because specific, expensive, software is necessary. To resolve this problem, we present a technique using general spine navigation software to resect tumors located in different segments. MATERIALS AND METHODS: This technique requires a primary surgery during which screws are inserted in the segment where the bone tumor is; next, a CT scan of the entire segment is used as a guide in a second surgery where a resection is performed under navigation control...
December 2016: Computer Assisted Surgery (Abingdon, England)
https://www.readbyqxmd.com/read/27957647/dosimetry-in-micro-computed-tomography-a-review-of-the-measurement-methods-impacts-and-characterization-of-the-quantum-gx-imaging-system
#14
Jeffrey A Meganck, Bob Liu
PURPOSE: X-ray micro-computed tomography (μCT) is a widely used imaging modality in preclinical research with applications in many areas including orthopedics, pulmonology, oncology, cardiology, and infectious disease. X-rays are a form of ionizing radiation and, therefore, can potentially induce damage and cause detrimental effects. Previous reviews have touched on these effects but have not comprehensively covered the possible implications on study results. Furthermore, interpreting data across these studies is difficult because there is no widely accepted dose characterization methodology for preclinical μCT...
August 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/27930278/for-love-not-money-the-financial-implications-of-surgical-fellowship-training
#15
Paul M Inclan, Adam S Hyde, Michael Hulme, Jeffrey E Carter
Surgical residents cite increased income potential as a motivation for pursuing fellowship training, despite little evidence supporting this perception. Thus, our goal is to quantify the financial impact of surgical fellowship training on financial career value. By using Medical Group Management Association and Association of American Medical Colleges physician income data, and accounting for resident salary, student debt, a progressive tax structure, and forgone wages associated with prolonged training, we generated a net present value (NPV) for both generalist and subspecialist surgeons...
September 2016: American Surgeon
https://www.readbyqxmd.com/read/27904933/-metastatic-disease-in-long-bones-review-of-surgical-treatment-options
#16
Franz Liska, Philipp Schmitz, Norbert Harrasser, Peter Prodinger, Hans Rechl, Rüdiger von Eisenhart-Rothe
Surgery in metastatic bone disease is currently the most frequent type of surgery in orthopedic oncology. Improved survival rates and an increasing incidence of bone metastasis have led to an increase in complications caused by metastatic disease, such as pathological fractures or hardware failure after operative treatment. Although surgery of metastatic lesions remains a palliative therapy concept, because of sufficient therapy for the primary carcinomas, tumor-specific-oriented follow-up protocols and a variation in the prognosis for the individual entities, an individually adapted treatment strategy is necessary...
November 30, 2016: Der Unfallchirurg
https://www.readbyqxmd.com/read/27867823/the-burden-of-metastatic-disease-of-the-femur-on-the-medicare-system
#17
Kirollos Gendi, David Hennessy, John Heiner
BACKGROUND: In the United States, over 1,650,000 new cases of cancer are being diagnosed yearly with almost 50 % of them being the top five bone-seeking cancers. Since cancer risk increases with age, this suggests that orthopedic oncology services may be a strain on the Medicare system. The femur is the most common site of long bone metastases. Prophylactic fixation techniques prevent pathologic fractures, reduce morbidities, and enhance the quality of life of patients with femoral metastases...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27843593/diagnosis-and-treatment-of-bone-metastasis-comprehensive-guideline-of-the-japanese-society-of-medical-oncology-japanese-orthopedic-association-japanese-urological-association-and-japanese-society-for-radiation-oncology
#18
REVIEW
H Shibata, S Kato, I Sekine, K Abe, N Araki, H Iguchi, T Izumi, Y Inaba, I Osaka, S Kato, A Kawai, S Kinuya, M Kodaira, E Kobayashi, T Kobayashi, J Sato, N Shinohara, S Takahashi, Y Takamatsu, K Takayama, K Takayama, U Tateishi, H Nagakura, M Hosaka, H Morioka, T Moriya, T Yuasa, T Yurikusa, K Yomiya, M Yoshida
Diagnosis and treatment of bone metastasis requires various types of measures, specialists and caregivers. To provide better diagnosis and treatment, a multidisciplinary team approach is required. The members of this multidisciplinary team include doctors of primary cancers, radiologists, pathologists, orthopaedists, radiotherapists, clinical oncologists, palliative caregivers, rehabilitation doctors, dentists, nurses, pharmacists, physical therapists, occupational therapists, medical social workers, etc. Medical evidence was extracted from published articles describing meta-analyses or randomised controlled trials concerning patients with bone metastases mainly from 2003 to 2013, and a guideline was developed according to the Medical Information Network Distribution Service Handbook for Clinical Practice Guideline Development 2014...
2016: ESMO Open
https://www.readbyqxmd.com/read/27745864/long-term-outcome-following-treatment-of-adamantinoma-and-osteofibrous-dysplasia-of-long-bones
#19
S E Puchner, R Varga, G M Hobusch, M Kasparek, J Panotopoulos, S Lang, R Windhager, P T Funovics
INTRODUCTION: Adamantinoma (AD) is an ultimately rare, low-grade malignant bone tumor. In most cases it occurs in the tibia of young adults. Osteofibrous dysplasia (OFD) is a rare, benign, lesion that is typically seen in children. Histopathology, ultrastructure, and cytogenetics indicate that these lesions are closely related. Yet, etiology remains a matter of debate. Local recurrence rates are high for both entities as published in literature and long-term outcomes are scarce, due to the rarity of the disease...
November 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27741957/where-teachers-are-few-documenting-available-faculty-in-five-tanzanian-medical-schools
#20
Charles A Mkony, Ephata E Kaaya, Alex J Goodell, Sarah B Macfarlane
BACKGROUND: Faced with one of the lowest physician-to-population ratios in the world, the Government of Tanzania is urging its medical schools to train more physicians. The annual number of medical students admitted across the country rose from 55 in the 1990s to 1,680 approved places for the 2015/16 academic year. These escalating numbers strain existing faculty. OBJECTIVE: To describe the availability of faculty in medical schools in Tanzania. DESIGN: We identified faculty lists published on the Internet by five Tanzanian medical schools for the 2011/12 academic year and analyzed the appointment status, rank, discipline, and qualifications of faculty members...
2016: Global Health Action
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