Allergy/Immunology
- Pyoderma gangrenosum mistaken for diabetic ulcer
A man with type 2 diabetes, hypertension, anemia, and ulcerative colitis presented with an ulcer on his leg.
- Laboratory tests in rheumatology: A rational approach
Negative results are not always reassuring, and false-positive results pose risks.
- Subclinical hypothyroidism: When to treat
The decision remains controversial and depends on the degree of TSH elevation, thyroid antibodies, and comorbidities.
- There is more to the TSH than a number
Management of subclinical hypothyroidism should be nuanced and based on clinical and laboratory parameters.
- MGUS: It’s about the protein, not just the marrow
What is a cause of a high erythrocyte sedimentation rate with a normal C-reactive protein and a low anion gap?
- Who needs to carry an epinephrine autoinjector?
Patients who have had anaphylaxis or who are at risk of it should carry an epinephrine autoinjector with them at all times.
- Small fibers, large impact
The wide interest in small fi ber neuropathy may reflect our current apparent epidemic of chronic pain.
- Hydroxychloroquine: An old drug with new relevance
This antimalarial drug is now approved to treat discoid lupus, systemic lupus erythematosus, and rheumatoid arthritis.
- Hyperkeratotic fissured plaques on both hands: Mechanic’s hands
This sign is seen in about 30% of patients with antisynthetase syndrome.
- Dysmorphic red blood cell formation
A 23-year-old woman presented with hematuria and dysmorphic red blood cells in the urinary sediment.