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.
Calf pain can be caused by a strain or tear in the muscles due to injury or overuse. According to the University of Maryland Medical Center, any muscle in the calf or leg can become dehydrated or be affected by low levels of potassium, sodium, calcium or magnesium in the bloodstream and become painful.onsiderations. Some leg and calf pain can indicate a serious condition called peripheral artery disease, or PAD. These symptoms are severe muscle cramping in the hips, thighs or calves. PAD can be caused by a buildup of plaque in the blood vessels which lessens circulation to the legs.