small intestine

Your pathology report for nonampullary adenocarcinoma of the duodenum

Non-ampullary adenocarcinoma of the duodenum is a type of cancer that starts in the gland-forming cells that line the inside surface of the duodenum, which is the first part of the small intestine located just beyond the stomach. The duodenum plays an important role in digestion by mixing food with stomach acid, bile, and pancreatic …
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Your pathology report for chronic active enteritis

Chronic active enteritis refers to ongoing (chronic) inflammation in the small intestine, accompanied by recent (active) inflammation. Pathologists use this term after examining a tissue sample under a microscope. They observe a mixture of immune cells that indicates inflammation has been present for an extended period and is currently active. They may also see specific …
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Your pathology report for chronic enteritis

Chronic enteritis refers to long-lasting inflammation of the small intestine. When examining a tissue sample under a microscope, pathologists identify chronic enteritis by seeing increased numbers of specific immune cells, particularly lymphocytes and plasma cells. The presence of these immune cells means the inflammation has been present for an extended period—weeks, months, or even years. …
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Your pathology report for active enteritis

Active enteritis refers to inflammation of the small intestine, involving specialized immune cells known as neutrophils. This finding suggests recent or ongoing irritation, infection, or injury to the intestinal lining. Pathologists identify active enteritis by examining tissue samples from your intestine under a microscope. What are the symptoms of active enteritis? Symptoms of active enteritis …
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Your pathology report for adenocarcinoma of the small intestine

Adenocarcinoma is the most common type of cancer that starts in the small intestine, the long, narrow part of the digestive system that absorbs nutrients from food. This type of cancer begins in the gland-forming cells that line the inside surface of the intestine. These cells normally help with digestion and nutrient absorption, but in …
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Your pathology report for ampullary adenocarcinoma

Ampullary adenocarcinoma is a type of cancer that starts in the ampulla of Vater, a small but important area where the bile duct and pancreatic duct join and empty into the first part of the small intestine (the duodenum). The inner lining of the ampulla is made up of gland-forming cells that help handle bile …
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What is villous blunting?

The small intestine has tiny, finger-like projections called villi that help absorb nutrients from food. Villous blunting refers to the shortening or flattening of these villi. When the villi are blunted, they lose their elongated shape and become shorter or flatter, reducing their ability to absorb nutrients effectively. What causes villous blunting? Villous blunting can …
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