Diffuse alveolar damage (DAD) is a severe type of acute lung injury. It occurs when the tiny air sacs in the lungs, called alveoli, become severely damaged and inflamed. This damage prevents oxygen from moving normally from the lungs into the blood. DAD is closely associated with a condition called acute respiratory distress syndrome (ARDS). …
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What is organizing pneumonia? Organizing pneumonia is a type of acute lung injury. Organizing pneumonia often only affects parts of the lung while other parts remain normal and healthy. What are the symptoms of organizing pneumonia? Symptoms of organizing pneumonia can include dry cough, difficulty breathing, fever, and weight loss. What causes organizing pneumonia? Organizing …
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The bile ducts are thin tubes that carry bile from the liver to the small intestine. Bile is a fluid that helps the body digest fat and remove waste. Together, the bile ducts form a branching system called the biliary tree. This article explains what the bile ducts do, how they connect, which conditions affect …
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What is the liver? The liver is an organ found in the right upper part of your abdominal cavity. It is responsible for removing toxins, processing medications, and producing substances such as bile that are essential for breaking down and using food. The liver contains multiple types of cells which make up its structure and …
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The uterus, also called the womb, is a hollow, muscular organ in the female pelvis. It has an upside-down pear shape. It sits between the urinary bladder in front and the rectum behind. A pregnancy grows inside the uterus. A pathologist examines tissue from the uterus after a biopsy or a hysterectomy, which is surgery …
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What is the gallbladder? The gallbladder is a small, pear-shaped organ located below the liver, in the right, upper portion of the abdomen. Doctors often describe this area as the right, upper quadrant. What does the gallbladder do? The gallbladder is a hollow organ that stores bile, a specialized fluid made in the liver. Bile …
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CD30 is a protein found on the surface of certain cells in the immune system, particularly activated T cells and B cells. It plays a role in regulating cell growth and communication within the immune response. Why do pathologists test for CD30? Pathologists test for CD30 to help diagnose and classify specific types of lymphomas …
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CD68 is a protein normally found on the surface of macrophages, a type of immune cell, and cells related to macrophages. Macrophages help protect your body by engulfing and removing bacteria, damaged cells, and other particles. CD68 helps macrophages carry out their role in the immune response. Why do pathologists test for CD68? Pathologists test …
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CD5 is a protein normally found on the surface of specific immune cells, particularly certain types of lymphocytes (a kind of white blood cell). CD5 helps these immune cells communicate and interact within the immune system, especially in regulating immune responses and preventing autoimmune reactions. Why do pathologists test for CD5? Pathologists test for CD5 …
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CD3 is a protein that is normally made by two types of specialized immune cells, T cells and NK cells. Most lymphomas that start from T and NK cells, including peripheral T cell lymphoma, anaplastic large cell lymphoma, and extranodal NK/T cell lymphoma, also make CD3. Two common tests used to look for CD3 in …
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