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Overview Posterior cortical atrophy (PCA) is a degenerative brain syndrome causing the death of brain cells primarily in the posterior region of the brain. This area…

Overview Hereditary Hemorrhagic Telangiectasia (HHT), also known as Osler-Weber-Rendu disease, is an inherited condition. It creates unusual connections between arteries and veins called arteriovenous malformations (AVMs)….

Overview Pseudocholinesterase deficiency makes people more sensitive to certain muscle relaxants used during surgery. The main drug that causes problems is succinylcholine. This drug normally relaxes…

Overview The small intestine has a unique lining with ridge-like structures covered by tiny projections called villi. These villi are important for nutrient absorption. When Whipple…

Overview The colon is a tube-shaped organ in the abdomen that makes up most of the large intestine. It moves waste through the body until it’s…

Overview Osteochondritis dissecans is a joint condition that develops when blood flow to the bone beneath joint cartilage is reduced. This lack of blood supply causes…

Overview A leg fracture happens when a bone in the leg breaks or cracks. People often break their legs from falling, being in car accidents, or…

Overview A rectovaginal fistula is an abnormal opening that forms between the rectum and vagina. This unwanted connection allows intestinal contents to pass into the vagina….

Overview Frontal lobe seizures are a common type of epilepsy. They start in the front area of the brain. During these seizures, brain cells in the…

Overview Fibromuscular dysplasia (FMD) is a non-inflammatory vascular condition that affects medium-sized arteries in the body. The condition causes these arteries to narrow and enlarge, which…