For a woman of her age and medical history with a weight problem, early osteoarthritis might not be an unreasonable diagnosis for knee pain and swelling after treadmill walking. But in rheumatology, things are so often not what they seem at first glance. What is your diagnosis?
A kidney biopsy is ordered after a 36-year-old woman initially diagnosed with isolated Raynaud phenomenon reports a series of new symptoms: arthralgia, facial paresthesia, then a photosenstive rash. The problem may not match your first guess.
You’re watching this teenager closely for further developments. Since the 17-year-old moved to the northeast from the Caribbean, her fingers are cold and white sometimes in winter. Simple, you say? The plot thickens.
A 48-year-old woman with seropositive rheumatoid arthritis presents with this solitary, rapidly expanding and very painful (analog scale 9 out of 10) ulcer on the pretibial surface of her leg. Can you choose the correct diagnosis from the differentials?