A 90-year-old male presents with irregularly shaped macules, 1-4 cm in diameter, that are dark purple with well-defined margins on both forearms. The lesions do not undergo the color changes of a raise and take up to three weeks to resolve. What is the most common cause of this skin condition?

A. Age and photo damage

B. Thick vessel walls

C. Iron deficiency anemia

D. Hereditary hemochromatosis

E. Aspirin

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