A large number of vertebral fractures in males with COPD goes undiagnosed. In those patients with diagnosed vertebral fractures, follow-up therapy is under-utilized. When analyzing lateral chest X-rays for vertebral fractures, visual inspection alone without direct measurement may not be an adequate technique for identifying fractures.
While the link between malignancy and vasculitis has been known for some time, the association of vasculitis and myelodysplastic syndrome (MDS) has only recently been reported. This article reviews the most current and landmark publications regarding MDS, as well as malignancy-associated vasculitis. We include theories of paraneoplastic associations, immune pathogenesis including an associated cytokine transcriptional factor (interferon regulatory factor-1 [IFN-1]), and the relationship to treatment. Key clinical features that suggest underlying malignancy in patients with vasculitis are highlighted. Although the association between vasculitis and malignancy is rare, leukocytoclastic vasculitis is the most common vasculitis associated with MDS, hematologic malignancies as well as solid tumors. We review several articles that demonstrate a paraneoplastic association between vasculitis and various malignancies, but overall, the connection is still unclear and not well defined. Certain features that suggest a true paraneoplastic association are outlined. Further studies are needed to advance our understanding of this complex topic.
Our study involved a very large number of participants encompassing different levels of training and is the largest number of advanced subspecialty rheumatology residents studied with regard to joint injection training. We have confirmed that a formal joint injection workshop using simulators is an effective method of improving comfort level in arthrocentesis among participants from all levels of medical training. Future studies should evaluate the effect of such training on actual clinical use and competence.
It is unclear when the synovial-based inflammatory process of gout begins. The aim of this study was to determine the percentage of patients with inter-critical gout who have chronic synovial-based inflammation as evidenced by synovial pannus on a contrast-enhanced magnetic resonance imaging (MRI) of their most involved joint and determine if the presence and/or severity correlates with their serum urate levels. All patients received a 3 T MRI of their index joint, serum urate level, CRP, and creatinine. The primary endpoint was to determine the prevalence of synovial pannus and the correlation of serum urate levels with the presence and/or severity of the synovial pannus on that same joint. MRI erosions, tophi, swelling, effusion, and osteitis were also documented. Seventy-two of 74 subjects (90% men) completed the protocol. Fifty-three of 72 (74%) index joints were the first metatarsophalangeal joint. Thirty-nine (54.2%) of the patients were on urate-lowering therapy; 15 (20.8%) and 7 (9.7%) were taking colchicine or a NSAID daily, respectively. Of the 72 subjects, 63 (87.5%) had synovial pannus on their MRI with good inter-reader agreement between the two radiologists. The mean serum urate level was 7.93 mg/dL. There was no correlation with the presence (p = 0.33) or severity (p = 0.34) of synovial pannus and serum urate levels. There was also no correlation with the presence or severity of synovial pannus and the secondary endpoints. The majority of patients with inter-critical gout have evidence of chronic synovial-based inflammation. However, the presence and severity of this inflammation do not appear to correlate with serum urate levels.
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