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In medicine (gastroenterology), angiodysplasia is a small vascular malformation of the gut. It is a common cause of otherwise unexplained gastrointestinal bleeding and anemia. Lesions are often multiple, and frequently involve the cecum or ascending colon, although they can occur at other places.
Low-flow malformations involve a single type of blood or lymph vessel, and are known as simple vascular malformations; high-flow malformations involve an artery. There are also malformations that are of mixed-flow involving more than one type of vessel, such as an arteriovenous malformation . [ 2 ]
An arteriovenous malformation (AVM) is an abnormal connection between arteries and veins, bypassing the capillary system. Usually congenital , this vascular anomaly is widely known because of its occurrence in the central nervous system (usually as a cerebral AVM ), but can appear anywhere in the body.
Arterio refers to the arteries, which are the the blood vessels that take blood away from the heart, and venous refers to the veins, which carry blood toward the heart. Mal- means “badly”, so an arteriovenous malformation, or AVM, is some sort of “bad” or abnormal formation between the arteries and veins.
As no physical contact is made with the lesion, the procedure is safe if the bowel has been cleaned of colonic gases, [2] [3] and can be used to treat bleeding in parts of the gastrointestinal tract with thin walls, such as the cecum.
CAPE TOWN, South Africa — A low-cost device, paired with a quick bundle of treatments to stop blood loss, could help prevent an estimated 22,000 maternal deaths per year, according to research ...
Duodenal atresia – malformation of the duodenum, part of the intestine that empties from the stomach, and first section of the small intestine; Jejunal atresia – malformation of the jejunum, the second part of the small intestine extending from the duodenum to the ileum, that causes the jejunum to block blood flow to the colon [7]
Libbie Ashworth was in 6th grade, had back pain, constipation, blood in stool. Doctors dismissed her. Stage 4 colorectal cancer. Lynch syndrome, DPD deficency.