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Knee diagnosis

Zhengming Yang, Huimin Tao, Zhaoming Ye, Xin Huang, Nong Lin, Minfei Yang
OBJECTIVES: To investigate the diagnosis and treatment of tibial intercondylar chondroblastoma. METHODS: We retrospectively analyzed the diagnosis and treatment of 12 patients with tibial intercondylar chondroblastoma admitted to the orthopedics department from May 2011 to February 2016; among them were 4 males and 3 females aged 10-19 years, with an average age of 15.7 years. Tibial intercondylar chondroblastoma was on the left and right side in 7 and 5 cases, respectively...
November 29, 2018: Clinics
Shu Kobayashi, Yasuo Niki, Kengo Harato, Takeo Nagura, Masaya Nakamura, Morio Matsumoto
BACKGROUND: Recently, poor patient satisfaction after total knee arthroplasty (TKA) has gained attention mainly in osteoarthritis (OA) patients; however, satisfaction after TKA remains to be understood in rheumatoid arthritis (RA) patients. This study aimed to examine satisfaction and function after RA TKA using patient-reported outcome measures and to compare the results with those of OA-TKA. METHODS: This study enrolled 534 TKAs of 501 patients consisting of 75 TKAs of 70 RA patients and 459 TKAs of 431 OA patients...
November 15, 2018: Journal of Arthroplasty
Isabelle Antwerpen, Lukas Gstrein, Linda Moskovszky, Hans Martin Gissler, Tilmann Möltgen, Maciej Kwiatkowski, Stephen Wyler, Matthias Walter
This case report describes a unique manifestation of a primary urethral squamous cell carcinoma (SCC) as the underlying pathology in an 80-year-old male patient who underwent partial penectomy due to an enlarging penile mass. Persistent pain in the right knee was discovered to be a pathologic fracture using magnetic resonance imaging. Computed tomography-guided biopsy confirmed metastatic SCC. Whole-body positron emission tomography revealed systemic dissemination to multiple sites. Orthopedic knee replacement was performed in combination with local radiotherapy...
December 5, 2018: Journal of International Medical Research
Hyung-Jin Park, Hee-June Kim, Shukho Kim, Seong-Min Kim, Jong-Uk Mun, Jungmin Kim, Hee-Soo Kyung
Background: The purpose of this study was to evaluate the usefulness of sonication technique for microbiological diagnosis and the sterility of the recycled autoclaved femoral components from infected total knee arthroplasty (TKA) using a sonication method. Methods: Nineteen femoral implants explanted from patients with infected TKA were sterilized with a standard autoclave method. Standard culture of the fluid before and after sonication of the sterilized implants was performed to detect pathogenic microorganisms...
December 2018: Clinics in Orthopedic Surgery
Staffan Larsson, Bo Åkerström, Magnus Gram, L Stefan Lohmander, André Struglics
Knee injury increases the risk of developing knee osteoarthritis (OA). Recent evidence suggests involvement of oxidative stress induced by inflammation and bleeding in the joint. This study investigates the role in this process of α1 -microglobulin (A1M), a plasma and tissue antioxidant protein with reducing function, and heme- and radical-binding properties. We studied matched knee synovial fluid (sf) and serum (s) samples from 122 subjects (mean age 40 years, 31% females): 10 were knee healthy references, 13 had acute inflammatory arthritis (AIA), 79 knee injury 0-10 years prior to sampling, and 20 knee OA...
2018: Frontiers in Physiology
Anna Rosenblum, David C Landy, Michael A Perrone, Noelle Whyte, Richard Kang
BACKGROUND: We sought to examine the association between having a psychiatric condition and undergoing hip arthroscopy for femoroacetabular impingement (FAI). METHODS: A matched case-control study was performed to control for age and gender. All patients over 16 years of age with FAI treated with hip arthroscopy by a single surgeon were randomly matched to a patient of the same age and gender undergoing knee arthroscopy for any diagnosis other than infection by the same surgeon during the same period...
November 9, 2018: Journal of Arthroplasty
Phey Ming Yeap, Philip Robinson
Hip and groin pain often presents a diagnostic and therapeutic challenge. The differential diagnosis is extensive, comprising intra-articular and extra-articular pathology and referred pain from lumbar spine, knee and elsewhere in the pelvis. Various ultrasound-guided techniques have been described in the hip and groin region for diagnostic and therapeutic purposes. Ultrasound has many advantages over other imaging modalities, including portability, lack of ionising radiation and real-time visualisation of soft tissues and neurovascular structures...
December 16, 2017: Journal of the Belgian Society of Radiology
Shumaila M Iqbal, Hafiz M Aslam, Faizan Faizee, Sana Qadir, Saadia Waheed
Myelodysplastic syndrome (MDS) is often associated with autoimmune paraneoplastic manifestations. Seronegative arthritis is among one of them. Very rarely, pseudogout demonstrated as paraneoplastic autoimmune manifestations of MDS has been adumbrated so far. Our case would be the another addition in the series. Our patient is an 83-year-old male lately diagnosed with MDS. After six months of initial diagnosis, he had a sudden onset episode of pain and swelling involving left wrist. Synovial fluid analysis from respective radiocarpal joint confirmed the presence of intracellular positively birefringent rhomboid shaped crystals of calcium pyrophosphate dihydrate (CPPD)...
September 27, 2018: Curēus
Jisook Yi, Young Han Lee, Ho-Taek Song, Jin-Suck Suh
OBJECTIVES: To investigate the agreement between double-inversion recovery (DIR) with synthetic magnetic resonance imaging (MRI) and T1-weighted contrast-enhanced (CE)-MRI for the assessment of knee synovitis. METHODS: T1-weighted CE-MRI and synthetic MRI of 30 patients were compared. Synthetic DIR image reconstruction was performed with two inversion times (280-330 ms and 2800-2900 ms). Subjective image quality, visibility of synovium, detection of synovitis, and total synovitis score in the knee joint were evaluated on both MR images...
November 28, 2018: European Radiology
Julia F Funk, Susanne Lebek
This manuscript evaluates the recent standard concept for clubfoot treatment. With regard to the history of clubfoot therapy and the return to conservative methods, the focus is laid on Ponseti's treatment concept. Due to its development according to the precise analysis of the pathoanatomy, the practical principle is simple and easy to learn and consists basically of two redression maneuvers, percutaneous achillotenotomy, and boots and bar abduction treatment. Therefore, about 60 years after its implementation in Iowa it can be said to be the worldwide golden standard...
November 27, 2018: Zeitschrift Für Orthopädie und Unfallchirurgie
Luís E P Tírico, Julie C McCauley, Pamela A Pulido, Marco K Demange, William D Bugbee
BACKGROUND: The association between patient satisfaction and patient-reported outcomes after cartilage repair is not well understood. PURPOSE: To investigate the association of patient satisfaction with pain, function, activity level, and quality of life after fresh osteochondral allograft (OCA) transplantation in the knee. STUDY DESIGN: Case-control study; Level of evidence, 3. METHODS: This study comprised 371 patients (396 knees) who underwent primary OCA transplantation for osteochondral lesions in the knee between 1997 and 2015...
November 27, 2018: American Journal of Sports Medicine
Nicholas Bien, Pranav Rajpurkar, Robyn L Ball, Jeremy Irvin, Allison Park, Erik Jones, Michael Bereket, Bhavik N Patel, Kristen W Yeom, Katie Shpanskaya, Safwan Halabi, Evan Zucker, Gary Fanton, Derek F Amanatullah, Christopher F Beaulieu, Geoffrey M Riley, Russell J Stewart, Francis G Blankenberg, David B Larson, Ricky H Jones, Curtis P Langlotz, Andrew Y Ng, Matthew P Lungren
BACKGROUND: Magnetic resonance imaging (MRI) of the knee is the preferred method for diagnosing knee injuries. However, interpretation of knee MRI is time-intensive and subject to diagnostic error and variability. An automated system for interpreting knee MRI could prioritize high-risk patients and assist clinicians in making diagnoses. Deep learning methods, in being able to automatically learn layers of features, are well suited for modeling the complex relationships between medical images and their interpretations...
November 2018: PLoS Medicine
Dean Wang, Brenda Chang, Francesca R Coxe, Mollyann D Pais, Thomas L Wickiewicz, Russell F Warren, Scott A Rodeo, Riley J Williams
BACKGROUND: Mosaicplasty and fresh osteochondral allograft transplantation (OCA) are popular cartilage restoration techniques that involve the single-stage implantation of viable, mature hyaline cartilage-bone dowels into chondral lesions of the knee. Recently, there has been greater focus on what represents a clinically relevant change in outcomes reporting, and commonly applied metrics for measuring clinical significance include the minimal clinically important difference (MCID) and substantial clinical benefit (SCB)...
November 27, 2018: American Journal of Sports Medicine
Mario F Delgado-Noguera, Jessica M Forero Delgadillo, Alexis A Franco, Juan C Vazquez, Jose Andres Calvache
BACKGROUND: Septic arthritis is an acute infection of the joints characterised by erosive disruption of the articular space. It is the most common non-degenerative articular disease in developing countries. The most vulnerable population for septic arthritis includes infants and preschoolers, especially boys. Septic arthritis disproportionately affects populations of low socioeconomic status. Systemic corticosteroids and antibiotic therapy may be beneficial for treatment of septic arthritis...
November 21, 2018: Cochrane Database of Systematic Reviews
Philip L Wilson, Charles W Wyatt, Jose Romero, Meagan J Sabatino, Henry B Ellis
Background: Despite the increasing incidence of sports-related knee injuries in youth athletes, few studies have reported on the diagnosis and treatment of pediatric and adolescent meniscal root injuries. Purpose: To describe traumatic posterior meniscal root injuries in a pediatric and adolescent population and compare the presentation of meniscal root injuries versus that of nonroot injuries. Study Design: Cohort study; Level of evidence, 3...
November 2018: Orthopaedic Journal of Sports Medicine
Pon Ramya Sivaperumal, Sneha Magatha Latha, Sowmiya Narayani, Julius Scott
Purpose: Acute lymphoblastic leukemia (ALL), a common hematological malignancy observed in children, typically presents with fever, pallor, easy bruising, hepatosplenomegaly and lymphadenopathy. However, when ALL manifests with unusual signs and the blood counts and peripheral smears are normal, it causes a diagnostic dilemma. Case Report: We report a 5-year-old boy who presented with bilateral proptosis as the initial manifestation of ALL. He presented with fever and bilateral knee pain attributed to a fall while playing...
October 2018: Journal of Ophthalmic & Vision Research
Jorge Chahla, Iain R Murray, James Robinson, Koen Lagae, Fabrizio Margheritini, Brett Fritsch, Manuel Leyes, Björn Barenius, Nicolas Pujol, Lars Engebretsen, Martin Lind, Moises Cohen, Rodrigo Maestu, Alan Getgood, Gonzalo Ferrer, Silvio Villascusa, Soshi Uchida, Bruce A Levy, Richard Von Bormann, Charles Brown, Jacques Menetrey, Michael Hantes, Timothy Lording, Kristian Samuelsson, Karl Heinz Frosch, Juan Carlos Monllau, David Parker, Robert F LaPrade, Pablo E Gelber
PURPOSE: To develop a statement on the diagnosis, classification, treatment, and rehabilitation concepts of posterolateral corner (PLC) injuries of the knee using a modified Delphi technique. METHODS: A working group of three individuals generated a list of statements relating to the diagnosis, classification, treatment, and rehabilitation of PLC injuries to form the basis of an initial survey for rating by an international group of experts. The PLC expert group (composed of 27 experts throughout the world) was surveyed on three occasions to establish consensus on the inclusion/exclusion of each item...
November 26, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Federico Raggi, Tommaso Roberti di Sarsina, Cecilia Signorelli, Giulio Maria Marcheggiani Muccioli, Luca Macchiarola, Ilaria Cucurnia, Matteo Romagnoli, Alberto Grassi, Stefano Zaffagnini
PURPOSE: To assess the relationship between the KiRA triaxial accelerometer and the KT-1000 measurements in the intact, anterior cruciate ligament (ACL) deficient, and ACL reconstructed knee joint for the quantification of the Lachman test. Moreover, the intra- and inter-examiner repeatability of the KiRA device will be determined. It was hypothesized that the side-to-side difference of the anterior tibial translation as measured by the KiRA device would be equivalent to the one measured by the KT-1000 during the Lachman test...
November 24, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Hassan Zmerly, Ibrahim Akkawi, Roberto Citarella, Marwan El Ghoch
Synovial plicae are thickenings of the synovial knee membrane; they are very frequent and often asymptomatic. However, they can become symptomatic due to idiopathic or secondary causes, as trauma and inflammation of the synovial tissue. Currently, synovial plicae are classified as infrapatellar, mediopatellar and suprapatellar. The prevalence of the mediopatellar plica over the other forms of plicae varies between 18% and 60%. The most reported symptom of the mediopatellar plica is pain located medial to the patella above the joint line...
November 23, 2018: Current Rheumatology Reviews
Dawn Lee, Carolin Jeyanthi, Rajat Bhattacharyya, Joyce Ching Mei Lam
A 2-year-old boy, who was previously well, was admitted for limping associated with left knee pain of 1 month duration. There was no history of witnessed trauma or significant infective symptoms. Systemic review was otherwise unremarkable. Prior to his onset of signs, he was able to cruise with support, and had some mild isolated speech delay. There was no significant family history of medical conditions. His main caregivers on weekdays were two sets of grandparents when his parents were working, while his parents took over his care on weekends...
November 24, 2018: Archives of Disease in Childhood. Education and Practice Edition
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