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Two of the most common signs of skin cancer are moles that change in size or appearance or an open skin wound that isn't healing. The exact symptoms of skin cancer vary according to the type, WebMD states.


The most common types of skin cancer include basal cell carcinoma, squamous cell carcinoma and melanoma, according to WebMD. Rare types of skin cancer include Merkel cell tumors and dermatofibrosarcoma protruberans.


WebMD has an image slide show depicting precancerous skin lesions and skin cancer conditions. Information about various types of skin cancers and methods of recognizing them accompanies these pictures.


Pictures help identify skin cancer by showing people examples of what unusual or suspicious moles look like, according to Mayo Clinic. Features of a skin growth that may signify skin cancer are asymmetry, border irregularity and color changes. A diameter greater than one fourth of an inch or 6 milli


The most common symptom of bone cancer in the arm is a deep or dull ache, according to Cancer Treatment Centers of America. In the early stages, the pain sometimes only happens at night or during periods of activity, but it becomes more chronic as the cancer advances.


Basel cell carcinomas, which typically manifest as raised or flat red patches that contain abnormal blood vessels, can occur anywhere on the body, including the legs, the American Cancer Society explains. Melanomas often look like moles, but they typically have jagged or asymmetrical edges.


Symptoms of skin cancer on the face vary depending on the cancer type but may include a firm, red nodule on the face, a flat lesion with a crusted surface, a brown or skin-colored scar-like lesion or a waxy bump. Other symptoms include a large brown spot with dark speckles or a small lesion of varyi


Doctors diagnose skin cancer after an initial examination, a look at the patient's medical history, examination of skin patches and a biopsy of damaged skin cells, according to the American Cancer Society. Although a visual inspection of the site, known as a dermatoscopy, remains part of the initial


The main signs of skin cancer are spots on the skin that change shape, color or size and newly developed spots, according to the American Cancer Society. Spots on the skin that look different from other areas of the skin may also indicate skin cancer.


Photos of skin cancer are available on the websites for Mayo Clinic, MedicineNet, the American Cancer Society and the American Academy of Dermatology. However, different skin cancers have a wide variety of physical characteristics, so the American Cancer Society recommends consulting a doctor about