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Many people who have psoriasis have nail changes. This can involve: Pitting on the surface of the nail. Defects in the nail, such

Phototherapy is the use of ultraviolet (UV) light to slow the rapid growth of new skin cells and to decrease inflammation. This is

Syphilis tests are done to check for a syphilis infection. They look for antibodies to the bacteria that cause syphilis. Some

Includes info on psoriasis, a chronic skin disorder. Covers causes and symptoms, including scaly patches on the knees, elbows, and

Covers imaging test to check the thyroid gland and parathyroid glands. Includes info on problems the test checks for, such as

Discusses toxoplasmosis test, a blood test that checks pregnant women for antibodies to the Toxoplasma gondii parasite. Covers why

A urine culture is a test to find germs (such as bacteria) in the urine that can cause an infection. Bacteria can enter through

In endoscopic sinus surgery, an endoscope is inserted into the nose. It lets the doctor see inside the sinuses. Surgical tools are

Briefly discusses surgery to treat chronic sinusitis.

Describes the TURP procedure and what to expect afterward.