background :pigmented villonodularsynovitis (pvns) is characterized by the presence of inflammation and hemosiderin deposition in the synovium. two forms of pvns distinguished in the literature are diffused and localized involvements. there are controversies in the literature about the surgical management of pvns. we report our experience in the management of knee pvns at a mean follow-up of 4 ...

background: posttraumatic and/or postsurgical knee stiff ness is one of the orthopedic complications which is difficult to be treated and can affect individual’s life negatively. the aim of this study is to investigate the results of quadricepsplasty in patients with knee stiff ness resulted from femoral fracture. materials and methods: this is a cross-sectional study on all patients with femor...

knee infection after arthroscopic surgeries is rare but devastating complication. a serial knee joint infection occurred in our hospital after the contamination of arthroscopic equipments set with an unknown microorganism. herein we describe the natural course of these patients and suggest a treatment protocol according to the experiment gained from management of these patients.

conclusions our results have shown that indirect mr arthrography had greater diagnostic accuracy in regards to the sensitivity, specificity, and positive and negative predictive values than conventional mri in knee pathologies. results in all of the pathologies studied, the sensitivity, specificity, and the positive and negative predictive values were evaluated. a high rate of accuracy was foun...

background :this paper explores the gender-related bilateral differences of extensor and flexor torques of the knee joint at low and high angular velocities in iranian healthy males and females.   methods : 70 healthy subjects (29 males (26.61±4.34 yrs and 41 females with average age of 23.07±3.70 yrs)) were participated in this study. isokinetic peak torque values for knee extensors and flexor...

background: lung cancer ranks among the most common and most lethal malignancies worldwide. once vascular or lymphatic invasions occur, metastatic dissemination to distant sites is common. bone, liver, adrenals, and brain are the most frequent sites of the distant disease. in this study we present a case of squamous cell carcinoma of lung with metastasis of the left knee bursa.case presentation...

the knee bracing steel frame (kbf) is a new type of energy dissipating frame which enjoys exceptional ductility and lateral stiffness. rather than the beam-column joint, one end of the diagonal brace in kbf is attached to the knee element. indeed, the knee element as a hysteretic damper is designed and detailed to behave like a structural fuse by sustaining controlled inelastic deformations as ...

Diagnosis of knee osteoarthritis can be confirmed based on clinical and/or radiological features. The potential of a progressive disease can be prevented or decreased by earlier recognition and correction of associated factors. Obesity and alignment especially varus malalignment are recognized factors of a progressive disease. Both nonpharmalogical as well as pharmacological modalities of treat...

Background: Osteoarthritis of the knee is a major problem and one of the most causes of disability in the elderly. Woman tending to have more frequent and more severe evidence of knee osteoarthritis. Because of the possibility, that hormonal changes may influence the disease, the present study was designed to investigate the association between pregnancies and osteoarthritis of the knee. Metho...