What is mucin? Mucin is a protein made by cells. It is used to make a thick fluid called mucus. Mucus is normally found in saliva and other substances throughout the body. When viewed under the microscope, mucin has a light blue or grey colour. A special stain called mucicarmine makes can be performed to …
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In medicine, the word malignant is commonly used to describe a cancerous growth of cells. For instance, pathologists often refer to cancerous tumours as malignant tumours or malignant neoplasms. The term malignant can also describe serious, life-threatening conditions that aren’t cancer, such as dangerously high blood pressure (malignant hypertension) or extremely high internal body temperature …
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The word “mass” in a pathology report refers to an area of tissue that is larger than normal. It is a broad term used to describe a lump or abnormal growth that can be seen or felt during a physical examination or detected using imaging tests like an X-ray or MRI. A mass can occur …
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Metaplasia describes a process in which one type of normal tissue in your body is replaced by a different kind of normal tissue not usually found in that location. This change typically occurs because the tissue responds to ongoing stress, irritation, or injury. Metaplasia can happen in many parts of the body, including the esophagus, …
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Lymphovascular invasion (LVI) means cancer cells have entered the tiny channels called lymphatic vessels or blood vessels within your body. These vessels normally carry fluid (lymph) or blood throughout your body. Once cancer cells enter these vessels, they may move away from the original tumor and reach lymph nodes or other body areas. Does lymphovascular …
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Lymph nodes are small, bean-shaped structures that are part of the body’s lymphatic system. The lymphatic system is a network of tissues and organs, including lymph nodes, that help the body fight infections and other diseases. Each lymph node acts like a filter, trapping germs, cellular debris, foreign particles, and cancer cells. What do lymph …
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Lymphoma is a type of cancer that starts from immune cells called lymphocytes. These cells normally protect your body from infections and disease. In lymphoma, lymphocytes become abnormal and grow uncontrollably, forming tumors that often involve lymph nodes but can also affect the spleen, bone marrow, and other organs throughout the body. What are the …
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The word lesion is a general medical term used to describe any area of tissue that looks different from normal. A lesion can be caused by many things, including injury, infection, inflammation, or abnormal growth. The term “lesion” does not explain what is causing the abnormality or whether it is harmful. It simply means that …
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In pathology, invasion refers to the spread of cancer cells from their original location into surrounding healthy tissues. Identifying invasion is important because it allows pathologists to distinguish between malignant (cancerous) and benign (noncancerous) tumors. Malignant tumors are characterized by invasion into nearby tissues, whereas benign tumors typically remain contained within clear and well-defined borders. …
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Leukocytes, also called white blood cells, are an important part of your body’s immune system. They are tiny cells that help protect you from infections caused by bacteria, viruses, and other harmful germs. Leukocytes also help fight diseases and heal injuries by responding to areas of damage in the body. Where are leukocytes normally found? …
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