The development of skin ulcers on the region of skin that surrounds or makes up an individual's outer ear may indicate they are being affected by ear cancer. A sore around or on the outer ear that is chronically inflamed and does not resolve without treatment within four weeks is of considerable concern in regards to ear cancer. A sore or ulcer that does not heal is considered one of the most common symptoms that occur in affected individuals. A skin ulcer caused by ear cancer may spread from the face to the ear. A skin ulcer from ear cancer may crust over and begin to bleed with touch as it progresses. Squamous cell cancers can cause the development of cancer in or on the ear and have a cauliflower-shaped and or ulcerated appearance. Malignant melanoma may develop on the outer ear, and most commonly originate conspicuously in a hyperpigmented freckle, mole, or spot that begins to change shape, color, and consistency in borders. This pigmented spot continues to grow, may form a blister, may become itchy, and can ulcerate.