Lipoma arborescens, a diffuse articular lipomatosis, is a rare disorder characterized by marked villiform synovial proliferation and diffuse replacement of the subsynovial tissue by mature adipocytes. Unilateral joint involvement is the usual presentation while bilateral joint involvement is more uncommon. We reported a case of bilateral lipoma arborescens in a male patient with associated marked patellofemoral osteoarthritis and described the MR imaging findings.
Background. Exercise has been recognized to improve functional limitation and pain in knee osteoarthritis (OA). However, exercise has also been reported to induce exercise-related knee pain. This study aimed to compare the effect of Tai Chi and jogging on knee pain in healthy and related factors. Material and methods. This cross-sectional study involved male and female 180 participants aged 40-60-years. The participant consisted of Tai Chi (n=60), jogging (n= 60), and sedentary (n=60) as control. Weight height and body mass index (BMI) were measured. The pain was evaluated using The Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). Risk factors of knee OA were included. ANOVA followed with post hoc test, Chi-square, Pearson and Spearman correlation, and logistic regression were applied to compute statistical analysis tests. Results. There are 4 participants (2.5%) with the WOMAC score index at high risk of knee OA. Seventy-six participants (63%) engaged in Tai Chi and jogging had knee pain. The possible risk factors of knee pain, which significantly correlated with knee pain were age, weight, BMI, family history of rheumatoid arthritis, and spine alignment. A linear regression indicated both Tai Chi and jogging did not significant different compared to control (OR 1.23, CI 95% 0.59-2.25, p=0.58 and OR 0.69, CI 95% 0.32-1.47, p=0.34, respectively) Conclusion. The incidence of knee pain in Tai Chi and jogging is quite high. However, the WOMAC score index is mostly normal. Tai Chi tends to aggravate knee pain than jogging in people with risk factors.
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During the last 50 years the number of overweight and obese people in developed countries has increased dramatically. The consequences of this excessive fat accumulation have been associated with a multitude of comorbidities, mainly related to the cardiovascular system and glucose and lipid metabolism. However, obesity also has an impact on other diseases, as an enhancer of certain pathological aspects or as a susceptibility factor, including certain rheumatic diseases such as rheumatoid arthritis (RA), osteoarthritis (OA) and systemic lupus erythematosus (SLE). The link between obesity and these rheumatic diseases has been purported to be via the action of metabolic factors produced by adipose tissue, adipokines. Among these adipokines are leptin and adiponectin, which have been extensively studied. Our knowledge of the role of other relevant newer adipokines, such as visfatin, in the arthritides is rapidly growing. Therefore, in this review our aim is to summarize the current literature regarding the association between visfatin and the most relevant rheumatic diseases.
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