Plantar warts are lesions that grow on the bottom of the foot because of an infection from the Human Papillomavirus within the top layer of the skin. Warts typically present as a small, thickened growth of skin that classically have little dark spots in the core of the lesion. Although benign (non-cancerous), these lesions can still cause pain, irritation and are able to spread to other parts of the body. Left untreated, a single wart can grow larger and spread into a cluster of warts, termed mosaic warts. You should never assume that you have a wart and sometimes a biopsy of your lesion is recommended to rule out any underlying cancer. You should never attempt to remove a wart yourself as it could cause further harm.
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