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Knee diagnosis

Luke Mooney, Peter L Lewis, David G Campbell, Yi Peng, Alesha Hatton
BACKGROUND: Total knee replacement (TKR) has been shown to perform differently in patients with rheumatoid arthritis (RA) when compared to osteoarthritis (OA). In this study, we compare the survivorship between these two groups and examine patient and prosthesis factors that impact the revision rate. METHODS: All RA and OA patients undergoing TKR in Australia from 1 September 1999 to 31 December 2016 were included. Revision rates were assessed using Kaplan-Meier estimates of survivorship...
February 15, 2019: ANZ Journal of Surgery
Melissa Moates Grace, Eric J Letonoff
Although it is an uncommon cause of knee pain and swelling, synovial chondromatosis should be included in the differential diagnosis when evaluating adults aged 30 years to 50 years with knee pain of insidious onset.
April 2018: Federal Practitioner: for the Health Care Professionals of the VA, DoD, and PHS
Catherine Lambert, N'Dogomo Meité, Ibrahima Sanogo, Sébastien Lobet, Eusèbe Adjambri, Stéphane Eeckhoudt, Cedric Hermans
INTRODUCTION: In sub-Saharan African countries, research on haemophilia is limited. Since 2015, a partnership has been established through the World Federation of Hemophilia (WFH)'s twinning programme between the haemophilia treatment centre (HTC) of the Centre Hospitalier universitaire of Yopougon in Abidjan, Côte d'Ivoire, and the Cliniques universitaires Saint-Luc of Brussels, Belgium. AIM: This study sought to collect accurate, and detailed demographic, clinical, and laboratory data on the whole identified Ivorian haemophilia population...
February 12, 2019: Haemophilia: the Official Journal of the World Federation of Hemophilia
Zachary W Sisko, Edward M Vasarhelyi, Lyndsay E Somerville, Douglas D Naudie, Steven J MacDonald, Richard W McCalden
BACKGROUND: The purpose of this study is to compare surgical and clinical outcomes between matched groups of morbidly obese (body mass index [BMI] >40 kg/m2 ) and non-morbidly obese (BMI <40 kg/m2 ) patients undergoing first-time revision total knee arthroplasty with a minimum 5-year follow-up. METHODS: Two groups of 87 patients (BMI >40 or <40 kg/m2 ) were matched 1:1 based on age at the time of revision, gender, and diagnosis for revision (aseptic or septic causes)...
January 14, 2019: Journal of Arthroplasty
Amir Khoshbin, Alexandra Stavrakis, Achal Sharma, Pauline Woo, Amit Atrey, Yuo-Yu Lily Lee, Amethia Joseph, Douglas E Padgett
BACKGROUND: The objective of the study was to compare the patient-reported outcome measures (PROM) of patients with post-traumatic arthritis (PTA) versus patients with osteoarthritis (OA) undergoing total knee arthroplasty (TKA) and compare the rates of revision among these two groups. METHODS: Using a prospectively held institutional registry, we retrospectively reviewed patients ≥60 years of age who underwent unilateral TKA between May 2007 and February 2012...
January 18, 2019: Journal of Arthroplasty
Benjamin Tk Ding, Kelvin Guoping Tan, Chung Yuan Kau, Henry Ying Ho Chan, Muhd Farhan Bin Mohd Fadil
OBJECTIVE: This study aimed to test the accuracy of the Synovasure®, α-defensin lateral flow test kit, in diagnosing periprosthetic joint infections (PJIs) in a predominantly Asian population and to evaluate whether other patient or disease factors may affect its results. METHODS: 61 Asian patients comprising 70 hip or knee prosthetic joints, performed between November 2015 and November 2018, were retrospectively evaluated. Cases were categorized as infected or not infected using Musculoskeletal Infection Society (MSIS) Criteria...
January 2019: Journal of Orthopaedic Surgery
E C Müller, K-H Frosch
With 1% of all skeletal fractures patellar fractures are rare. The majority of cases are caused by a direct trauma to the flexed knee. The diagnosis is made via the injury mechanism as well as the physical and radiological findings. In conventional x‑ray imaging the extent of injury often is underrated, which mostly leads to the necessity of a computed tomography (CT) scan. The aim of the treatment is the reconstruction of the extensor mechanism and the anatomical reconstruction of the articular surface...
February 11, 2019: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
Mohamed Ali Khalifa, Mehdi Jedidi, Lassaad Hassini, Karim Bouattour, Walid Osman, Mohamed Laziz Ben Ayeche
Introduction: Villonodular synovitis (SVN) is a rare benign pseudotumoral proliferation of the synovial joint, of unknown etiology. In general, it reaches the big joints, especially the knee. Localization at the subtalar level is extremely rare, with only a few cases published in the literature. Case Report: We report the case of an SVN of the subtalar in a 60-year-old patient without particular histories, who consulted for a swelling of the external border of the right foot evolving for 2 years...
September 2018: Journal of Orthopaedic Case Reports
Jan Dauwe, Olivier Van Kerkhove, Ines Unterfrauner, Dirk Dauwe
Introduction: Avulsion fractures of the tibial intercondylar eminence are rare and occur mostly in children. The purpose of this paper is to present a case of this rare pathology and to underline the importance of early diagnosis. Case Report: A male 8-year-old child presented with pain in his left knee and difficulties to walk after a combined injury of falling and contact trauma. Radiographic studies with conventional X-ray and computed tomography (CT) scan depicted a fracture of the intercondylar eminence...
September 2018: Journal of Orthopaedic Case Reports
Mithun Nambiar, James Randolph Onggo, Anthony Jacobson
Lipoma arborescens (LA) is a rare condition with synovial membrane lipomatous proliferation. It most commonly affects the knee joint, in the suprapatellar pouch. It can present as a painful knee with an effusion. Diagnosis is via MRI demonstrating a synovial mass with frond-like appearance, and histology showing mature adipose cells, with an overlying synovial membrane. Treatment options include non-operative measures with analgesia, or operative intervention to resect the lesion. We describe a unique case of LA present in the anterolateral knee joint, presenting with persistent painful clicking in the knee...
February 7, 2019: BMJ Case Reports
Obada Hasan, Shahryar Noordin, Riaz Lakdawala, Vickash Kumar, Faisal Mahmood
Tuberculosis continues to be one of the most challenging health problems more prevalent in developing countries. Pakistan ranks 5th in tuberculosis prevalence among the high-burden countries. Prosthetic joint infection of the knee by acid fast bacilli is a rare and distressing complication, occurring in nearly 1% of primary joint arthroplasties requiring prolonged medical treatment and multiple surgeries. A recent publication extensively reviewed English literature from 1952 to 2016, and repor ted only 64 prosthetic joint infec tion with tuberculosis, of which 27 cases involved the knee...
February 2019: JPMA. the Journal of the Pakistan Medical Association
Mariana Nassif Kerbauy, Denise da Cunha Pasqualin, Jerusa Smid, Rogerio Iquizli, Lucila Nassif Kerbauy, Ricardo Nitrini, Guilherme Carvalhal Ribas, Luciano Neder, Nelson Hamerschlak
RATIONALE: Lymphomatosis cerebri is a rare form of PCNSL, characterized by diffuse infiltration of lymphoma cells in cerebral parenchyma, without mass-formation and mild or no contrast enhancement on magnetic resonance (MR) imaging. There are less than 50 cases described in the literature under the term Lymphomatosis cerebri. PATIENT CONCERNS: A 74-year-old man presented to our service with progressive dementia for 12 months and accelerated cognitive decline within the last two months...
February 2019: Medicine (Baltimore)
Emily Kroshus, Alan C Utter, Lauren A Pierpoint, Dustin W Currie, Sarah B Knowles, Erin B Wasserman, Thomas P Dompier, Stephen W Marshall, R Dawn Comstock, Zachary Y Kerr
CONTEXT: The advent of Web-based sports injury surveillance via programs such as the High School Reporting Information Online system and the National Collegiate Athletic Association Injury Surveillance Program has aided the acquisition of wrestling injury data. OBJECTIVE: To describe the epidemiology of injuries sustained in high school boys' wrestling in the 2005-2006 through 2013-2014 academic years and collegiate men's wrestling in the 2004-2005 through 2013-2014 academic years using Web-based sports injury surveillance...
December 2018: Journal of Athletic Training
Bheeshma Ravi, Luke Hosack, David Backstein, Mark Spangehl
Recurrent hemarthrosis (RH) is a rare complication (∼1%) after total knee arthroplasty (TKA). It is a complex and particularly frustrating problem for both patient and surgeon. Typically, patients present several months to years after their index TKA surgery with a painful and swollen joint. Although conservative management may provide temporary relief, the rate of recurrence is high. Despite extensive case series in the literature, no consensus was made on the criteria needed to establish this diagnosis, or how to best provide treatment...
February 1, 2019: Journal of the American Academy of Orthopaedic Surgeons
Sermsak Sumanont, Chatchada Mahaweerawat, Arunnit Boonrod, Punthip Thammaroj, Artit Boonrod
Background: Adequate graft size and length are crucial factors that correlate with improved outcomes after anterior cruciate ligament reconstruction with a semitendinosus (ST) tendon autograft alone. Anthropometric parameters could be used as predictors of graft measurements but they have shown imprecise correlation in some patients. Purpose: To evaluate the accuracy of ultrasound (US) for the preoperative evaluation of ST graft size and length. Study Design: Cohort study (diagnosis); Level of evidence, 3...
January 2019: Orthopaedic Journal of Sports Medicine
Mir Mohammad Taghi Mortazavi, Jafar Ganjpour Sales, Masoud Nouri-Vaskeh, Masoud Parish, Salar Abdolhosseynzadeh
Background: Cardiac injury is one of the significant perioperative complications in major orthopedic surgeries and its early diagnosis is useful in the reduction of postoperative comorbidity. The cardiac troponin is a sensitive and specific biomarker for detecting this damage. Objectives: The aim of this study was to evaluate the levels of perioperative cardiac troponin I (cTnI) before and after arthroplasty in patients undergoing total hip arthroplasty (THA) and total knee arthroplasty (TKA)...
December 2018: Anesthesiology and Pain Medicine
Abdulrahman D Algarni
Prepatellar bursal infection is a rare occurrence. The incidence of tuberculosis, including musculoskeletal type, is increasing. We present a case of isolated prepatellar bursal swelling associated with a discharging sinus; the condition developed in an elderly patient 4 years after total knee arthroplasty. Aspiration of the bursa revealed acid-fast bacilli on Ziehl-Neelsen staining, typical of Mycobacterium tuberculosis ; this was confirmed later on culture. The patient was successfully treated with a 6-month course of antituberculous chemotherapy...
2019: Case Reports in Infectious Diseases
Eugenio Vecchini, Alessandro Ditta, Margherita Gelmini, Tommaso Maluta, Roberto Valentini, Matteo Ricci, Bruno Magnan
A case of a 71-year-old man with femoral and tibial osteolysis and severe metallosis of the knee, resulting from abrasive wears of the metal components of a unicompartmental knee arthroplasty, that leaded to the rupture of the femoral component of the prosthesis is reported. An unicompartmental prosthesis, in a varus knee, was implanted in 2007. In March 2017, the patient felt that his knee was becoming increasingly unstable with pain and increasing disability. At clinical evaluation there was an effusion, 110° of flexion and - 10° of extension and a slight instability at the varus/valgus stress tests...
January 10, 2019: Acta Bio-medica: Atenei Parmensis
Lisa K Stamp, Nigel G Anderson, Fabio Becce, Maya Rajeswari, Matthew Polson, Olivier Guyen, Anais Viry, Chloe Choi, Tracy E Kirkbride, Aamir Y Raja
OBJECTIVE: To determine whether novel multi-energy spectral photon-counting CT (SPCCT) imaging can detect and differentiate between monosodium urate (MSU), calcium pyrophosphate (CPP) and hydroxyapatite (HA) crystal deposits ex vivo. METHODS: A finger with a subcutaneous gouty tophus and a calcified knee meniscus excised at the time of surgery were obtained. The finger was imaged using plain X-ray, dual-energy CT (DECT) and multi-energy SPCCT. Plain X-ray and multi-energy SPCCT images of the meniscus were acquired...
February 4, 2019: Arthritis & Rheumatology
Nirav Amin, Louis McIntyre, Thomas Carter, John Xerogeanes, Jeffrey Voigt
PURPOSE: To determine whether needle arthroscopy (NA) compared with magnetic resonance imaging (MRI) in the diagnosis and treatment of meniscal tears is cost-effective when evaluated over a 2-year period via patient-reported outcomes. The hypothesis is that improved diagnostic accuracy with NA would lead to less costly care and similar outcomes. METHODS: A Markov model/decision tree analysis was performed using TreeAge Pro 2017 software. Patients were evaluated for degenerative and traumatic damage to the lateral/medial meniscus...
February 2019: Arthroscopy: the Journal of Arthroscopic & related Surgery
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