News

New this week in the nonspecialty journals: Tattoos and sarcoidosis, oral ulcers and autoimmunity, gout and heart disease, and a review about a gene that affects autoimmune inflammation.

Patients with knee or shoulder pain often take it for granted that their damaged joint needs fixing, says this author. Preventing unnecessary surgery may begin with doctors who recognize and correct this misconception.

A 45-year-old woman presented with longstanding left knee pain. Both knee and hand radiographs showed abnormalities. Bony infarcts had become complicated by an infection/septic joint and had progressed to frank bony destruction.

Returning from the Phillipines, the patient came to the clinic with atraumatic right knee swelling and loss of range of motion. He arrived in a wheelchair. He had osteoarthritis, but denied any constitutional symptoms. Joint aspiration produced grossly milky white pus. What's going on?

Psoriasis is the most common autoimmune disease, and an important manifestation of psoriatic arthritis in patients with joint pain. Try out this compact slide show to hone your skills at differential diagnosis.

EULAR 2013: Two-year data from a head-to-head comparison of abatacept and adalimumab show them comparably effective for rheumatoid arthritis. But the former is less costly with fewer noteworthy adverse effects.

In a new revision of its 2009 guidelines on knee osteoarthritis, the American Academy of Orthopaedic Surgeons reverses a formerly noncommital stance on intra-articular hyaluronic acid injections, now deeming the weight of evidence insufficient to support their efficacy.

Does the lupus patient have comorbid age-related osteoarthritis? Is it iliopsoas bursitis or trochanteric pain syndrome? Eight images with reflections on differential diagnosis of hip pain.

New in the nonspecialty journals: A new option for patients with autoimmune disease and HCV infection. The value of combined therapy for osteoporosis. Prognosis predictors for chronic pain, a new opioid adverse effect, and more ...

Is it a form of lupus, myositis, or a drug reaction? Check your knowledge of skin eruptions and the associated rheumatologic conditions in this brief photo essay.

New in the non-rheumatology journals, much about pain: A review based on 2012 fibromyalgia guidelines from Canada, a viewpoint on safe use of opioids, the evidence to back spinal pain interventions. Also: fast-track arthroplasty, and more newfound genes.

A 39-year-old woman, in her eighth week of pregnancy, experienced aching pain that worsened with activity. Weakness and fatigue set in three days later in her thigh and proximal arm muscle. Then a mildly pruritic rash developed across the forehead, nose, and forearms.

Synovitis is present in 90% of painful knees, and emerging data is showing that this inflammation is "not just a bystander" in osteoarthritis-induced damage. Research is revealing the roles of macrophages and T-cells, and signposts toward new drug targets.

OARSI 2013: More support for the supplement chondroitin sulfate (CS) in osteoarthritis: In a large observational study from Spain, six months' use of CS significantly reduced the likelihood of having total knee replacement. Observers noted the well-known issues in applying this knowledge in the US.