Blue discoloration on both arms and legs

A white man, aged 67 years, sought treatment for the insidious onset of discoloration of his arms and legs. The patient reported that these areas were asymptomatic with no preceding history of rash. Medical history was notable for rheumatoid arthritis, hypertension, and hyperlipidemia.

The man's current medications included minocycline, metoprolol (Lopressor, Toprol), simvastatin (Zocor), and aspirin. No history of cancer, ...