Anemia of chronic disease (ACD) is a type of anemia that develops in people with long-standing illnesses that cause inflammation. Anemia means that the blood has fewer red blood cells than normal or that the red blood cells contain less hemoglobin. Red blood cells are the cells in the blood that carry oxygen from the …
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Iron deficiency anemia is a type of anemia caused by low levels of iron in the body. It is the most common cause of anemia among adults. Common causes include blood loss, pregnancy, and a diet low in iron. What does anemia mean? Anemia means a decreased amount of hemoglobin in the blood. Hemoglobin is …
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Hemolytic anemia is a condition in which the body’s immune system attacks and damages red blood cells (RBCs) in the blood. The damaged RBCs are either removed in the spleen or liver or destroyed in the blood. This process is called immune hemolysis, and over time, it leads to low levels of RBCs in the blood. …
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Ring sideroblasts are immature red blood cells (cells that are still developing in the bone marrow) that contain too much iron. Instead of being stored in the normal location, the iron builds up inside the developing red blood cell and forms a ring-shaped pattern around the nucleus, which is the control center of the cell. …
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A karyotype is a laboratory test that looks at a person’s chromosomes. Chromosomes are long, organized structures made of DNA, which carry the genetic instructions that tell your body how to grow and function. In a karyotype test, the chromosomes are stained with a special dye and examined under a microscope. This allows doctors to …
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In transit metastasis is a term used to describe cancer that has spread beyond the original tumour but has not yet reached the lymph nodes or distant organs. Instead, the cancer cells travel through small lymphatic vessels and form new tumours between the primary tumour and the nearest lymph nodes. This type of spread is …
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A tumour deposit is a group of cancer cells that has spread from the original tumour (primary tumour) to another location in the body. These cancer cells can spread locally, meaning they stay close to the primary tumour or travel to distant organs or tissues. When tumour cells spread to distant organs, the deposits are …
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Tumour regression refers to the reduction in size or complete disappearance of a tumour, either spontaneously or as a result of treatment. In pathology, tumour regression is assessed by examining tissue samples to determine the extent of the decrease in tumour cell population and changes in the tumour’s structure. What causes tumour regression? Treatment-induced regression …
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A tumour capsule is a thin layer of tissue that separates a tumour from the surrounding healthy tissue. Some tumours are completely surrounded by this capsule—these tumours are described as encapsulated. Tumours without a capsule are called non-encapsulated. Both benign (non-cancerous) and malignant (cancerous) tumours can have a capsule. What does capsule invasion mean? Pathologists …
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Solar elastosis is a non-cancerous skin condition caused by excessive and long-term exposure to sunlight or other sources of ultraviolet (UV) radiation. It is also known as actinic elastosis or photoaging. Doctors consider solar elastosis a clear sign of sun damage, which occurs after years of sun exposure. What causes solar elastosis? Solar elastosis is …
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