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.
With a calf strain, you may experience: A snap or pull felt or heard at the time of injury (with a Grade 1 and 2 calf strain). A pop may be felt or heard at the time of injury of a Grade 3 calf strain. Pain and weakness in the calf area. Swelling in the area. Tightness in the area. Bruising.