Websites that contain pictures of sarcoidosis include the University of Iowa Dermatology Department, Penn Medicine and the American Academy of Family Physicians. Sarcoidosis involves inflammation of the lungs, lymph nodes, liver, eyes or skin that may manifest as a rash or raised scars on the skin, according to Penn Medicine.
Other symptoms of sarcoidosis on the skin include hair loss and erythema nodosum, notes Penn Medicine. Erythema nodosum appears as firm, red, raised skin sores. These sores commonly appear on the front part of the lower legs in people with these symptoms of sarcoidosis. Sometimes, these raised lesions occur with very little or no discoloration of the surrounding skin.
Skin rashes typically occur in 20 to 35 percent of patients diagnosed with sarcoidosis, says the American Academy of Family Physicians. Lesions, rashes and hardness of the skin may appear in several different forms which may lead doctors to diagnose patients with other conditions first.
Itchy skin sores may develop on the legs, back, arms and scalp, according to the National Heart, Lung and Blood Institute. These sores may also appear near the eyes and nose. More serious and disfiguring sores known as lupus pernio could affect the nose, cheeks, ears, eyelids and fingers. Lupus pernio may continue even after treatment.
The cause of sarcoidosis is unknown, as of 2015, notes MedicineNet. Medications with corticosteroids treat sarcoidosis in order to try to reduce inflammation. Tests to measure the levels of calcium in the bloodstream can determine if treatments work.