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A pilonidal cyst may look like a small hole or dimple under the skin at the top of the crease of the buttocks. Pilonidal cysts

Some medical tests report results in picograms per milliliter (pg/mL). A picogram is one-trillionth of a gram. A gram is about 1

Priapism is a condition in which the penis stays erect without sexual stimulation. It can affect people of any age. The most

Pulmonary valve stenosis is a narrowing of the valve between the lower right heart chamber and the pulmonary artery, which carries

The brand name (or trade name) of a medicine is the name given to the medicine by the manufacturing company. A medicine may have

Age-related hearing loss (presbycusis) is a progressive loss of the ability to hear that occurs as people get older. The problem

Preeclampsia is high blood pressure and signs of organ damage, such as protein in the urine, usually after 20 weeks of pregnancy

Phobias are extreme fears that interfere with daily life. Phobias are sometimes present with other conditions, such as panic

Post-thrombotic syndrome (also called postphlebitic syndrome) is a complication of a blood clot that forms in a deep vein. Post

Postnasal drip occurs when mucus from the nasal passages and sinuses drains into the throat. If the mucus becomes thick, postnasal