Skin lesions common with hepatitis C
This is a thick eschar with a completely necrotic epidermis. A large area of skin necrosis like this suggests a large vessel vasculitis or sizeable skin embolism.
You also have to consider skin infections such as strep or pseudomonas ecthyma, unusual fungi in immunosuppressed patients such as Mucor or Fusarium or, rarely, things like anthrax!
Patients with hepatitis C can have a wide variety of skin conditions, including lichen planus, plus those from cryoglobulinaemia, porphyria cutanea tarda and polyarteritis nodosa. An incisional