Those spots that appear dark purplish or sometimes even brownish may be due to a condition called venous stasis dermatitis. This condition is associated with venous stasis, which is a condition in which veins have a difficult time sending the blood from the feet back to the heart. As a result, blood pools and fluid and blood cells leak out of the veins and other tissues and this shows through the skin. The blood cells further break down and the iron in the cells show up as brown splotches and spots, or hemosiderin deposits. The doctors at Prairie Path Foot and Ankle Clinic can help with a thorough lower extremity exam to determine if the dark spots are indeed hemosiderin deposits, or if not, provide you with an accurate diagnosis and treatment plan.