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.
A Bakers Cyst is a common cause of upper calf pain caused by inflammation of the popliteal bursa (fluid filled sac) that sits behind the knee joint. It can cause calf muscle pain, particularly if the cyst bursts resulting in the fluid tracking down the leg into the triceps surae.