Symptoms and Causes

Overview Zenker’s diverticulum is a pouch that forms in the throat where the pharynx meets the esophagus. This condition most often affects older adults, particularly those…

Overview Nasal and paranasal tumors grow in the nose or the air-filled spaces near the nose called sinuses. These growths can be benign (not cancer) or…

Overview Transposition of the great arteries (TGA) is a serious congenital heart defect present at birth. In this condition, the heart’s major arteries are abnormally positioned,…

Overview Cholera is a bacterial infection that affects the intestines. It spreads through contaminated water or food and is more common in areas with poor sanitation…

Overview Desmoid tumors are rare growths that develop in the connective tissues. These tumors don’t spread to other parts of the body but can grow into…

Overview Ameloblastoma is a rare tumor that develops in the jaw, usually around the wisdom teeth or molars. This growth forms from cells that create tooth…

What to Know About Pseudotumor Cerebri Pseudotumor cerebri happens when pressure builds up inside the skull for no clear reason. The brain shows signs similar to…

Overview Hyperoxaluria happens when a person has too much oxalate in their urine. Oxalate is a waste product that should leave the body through urine. When…

Overview Paraneoplastic syndromes are rare disorders triggered by an abnormal immune system response to cancer in the body. They occur when cancer-fighting antibodies or immune cells…

Overview Corticobasal degeneration (CBD) is a rare brain disorder that damages nerve cells and causes areas of the brain to shrink. This condition typically affects people…