A 63-year-old man presents to the dermatology clinic with a 3-month history of a nonhealing ulcer on his right lower leg. The patient notes that the ulcer has been getting bigger and is painful (including when touched by socks or pants). He has no other similar lesions on his body. He has a history of diabetes mellitus, hyperlipidemia, and 30 years of smoking. On physical examination, a hyperpigmented scaly patch is found above the right lateral malleolus with several small areas of shallow ulceration. The area is tender to palpation. His lower legs have no hair and his feet are cool to the touch.
Can you diagnose the condition in Case 1?
A. Arterial ulcer
B. Venous ulcer
C. Neuropathic ulcer
D. Pressure ulcer
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