Actinic keratoses that develop on the lips are referred to as actinic cheilitis. The clinical appearance of an actinic keratosis is that of a small (several millimeters), red scaly papule or plaque, with induration and thickening of the epidermis. There may be associated erythema.
Blood Clots. A blood clot needs to be considered as a cause of calf pain, especially when the calf pain is not the immediate result of an injury. Blood clots can form is the deep veins of the leg, causing a blockage in circulation. This may cause swelling and pain in the calf.
These common causes of calf muscle pain can cause pain anywhere in the calf region. 1) Calf Tear If the calf muscles are suddenly overstretched, some or all of the fibres may be torn, known as a calf strain or rupture. This is the most common cause of calf muscle pain.