Immunology

Current Drug Therapy

Hydroxychloroquine: An old drug with new relevance

This antimalarial drug is now approved to treat discoid lupus, systemic lupus erythematosus, and rheumatoid arthritis.

MD IQ

The Clinical Picture

Dysmorphic red blood cell formation

A 23-year-old woman presented with hematuria and dysmorphic red blood cells in the urinary sediment.

The Clinical Picture

Drug reaction or metastatic lung cancer?

Imaging shows nodules randomly distributed throughout both lungs, a paradoxical reaction to drug therapy.

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