CD20 is a protein found on the surface of B cells — a type of white blood cell that helps the body fight infections by producing antibodies (proteins the immune system uses to recognize and attack germs). CD20 appears on B cells as they mature in the bone marrow and remains on the cell’s surface …
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Eosinophils are a type of white blood cell (WBC) and a part of the body’s innate immune system. They help protect the body against allergens and infections. When examined under the microscope, eosinophils are small cells with bright pink cytoplasm. The cytoplasm of the cell is filled with small round granules and the nucleus has …
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Neutrophils are a type of white blood cell and an important part of the body’s innate immune system, which is the body’s first line of defense against infection and injury. They are the most common type of white blood cell, making up between 50% and 80% of all white blood cells in the bloodstream. Neutrophils …
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In pathology, the term endophytic describes an abnormal growth that extends down from the surface of the tissue into the organ or tissue below. This pattern of growth can usually only be seen when the tissue is examined under a microscope by a pathologist. Pathologists sometimes use the word ‘inverted’ to describe an endophytic pattern …
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Low grade squamous intraepithelial lesion (LSIL) is an abnormal growth caused by infection with human papillomavirus (HPV). The abnormal growth seen in LSIL is an example of dysplasia. It commonly involves the cervix, vagina, vulva, penis, or anal canal. This condition may affect both women and men. The virus infects squamous cells found on the …
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A leiomyoma is a benign (non-cancerous) tumour made of smooth muscle cells. Smooth muscle is the type of muscle found in structures such as blood vessels, hair follicles, the gastrointestinal tract, and the uterus. Leiomyomas can develop in the skin (cutaneous leiomyomas) or in deep soft tissues, including muscle and the retroperitoneum or abdominal cavity. …
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Edema is the accumulation of clear, water-like fluid inside tissue. It develops when a type of fluid called serum leaks out of blood vessels and into the surrounding tissue. Common causes include congestive heart failure, liver disease, kidney disease, blood clots in large veins, and medical conditions associated with decreased protein levels in the blood. …
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What is uterine leiomyosarcoma? Uterine leiomyosarcoma is a type of uterine cancer. The tumour starts from specialized smooth muscle cells normally found in a part of the uterus called the myometrium. Most patients are over the age of 50 years at the time of diagnosis. What are the symptoms of uterine leiomyosarcoma? Symptoms of uterine leiomyosarcoma …
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The transformation zone is a normal part of the cervix, the lower end of the uterus that opens into the vagina. Two different types of cells cover the cervix: Squamous cells, which cover the outer surface of the cervix (the ectocervix) Glandular cells, which line the cervical canal leading into the uterus (the endocervix) The …
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S100 is the name of a family of proteins found inside certain types of cells in the body. These proteins help cells respond to changes in their environment by regulating processes like growth, movement, and communication. The name “S100” comes from the fact that the proteins are soluble in a solution made with 100% saturated …
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