Hematopoietic cells are responsible for producing all the different types of blood cells in the body. The term “hematopoietic” comes from the Greek words “hema,” meaning blood, and “poiesis,” meaning formation. The process of creating these cells is called hematopoiesis. These cells are essential for the continuous production of blood cells, including red blood cells (RBCs), white blood …
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An atypical carcinoid tumour is a type of lung cancer. It develops from special cells in the lungs called neuroendocrine cells. These cells normally produce hormones that help regulate breathing and airflow in the lungs. Atypical carcinoid tumours usually grow in the central area of the lung near the airways. When the tumour grows large …
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What is a typical carcinoid tumour of the lung? A typical carcinoid tumour is a slow-growing type of lung cancer made up of neuroendocrine cells. In the lung, this tumour starts from the neuroendocrine cells normally found in the walls of the airways and is often located in the central part of the lung near …
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What is small cell carcinoma of the lung? Small cell carcinoma is a type of lung cancer. It is made up of neuroendocrine cells that are normally found in the lungs. Small cell carcinoma is considered a very aggressive type of cancer and the tumour cells have often spread to other parts of the body …
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Background: Ewing sarcoma is a rare type of cancer that occurs in the bones or in the soft tissue around the bones. It primarily affects children and young adults, typically between the ages of 10 and 20. This cancer is most commonly found in the long bones of the arms and legs, the pelvis, and …
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High grade squamous intraepithelial lesion (HSIL) is a precancerous disease caused by human papillomavirus (HPV). It is composed of abnormal squamous cells that have been infected and transformed by the virus. Squamous cells are found in a thin layer of tissue called the epithelium which covers the inside surface of the anus and anal canal. …
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What is non-keratinizing squamous cell carcinoma of the oropharynx? Non-keratinizing squamous cell carcinoma (NKSCC) is a type of oropharyngeal cancer. The oropharynx is an area of the throat that includes the tonsils, base of the tongue, uvula, and soft palate. This type of cancer quickly spreads to lymph nodes especially those in the neck. For …
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Non-invasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) is a slow-growing tumour in the thyroid gland. This tumour was previously classified as a type of thyroid cancer but is now considered to be on the border between benign (noncancerous) and malignant (cancerous) tumours. Until 2016, NIFTP was called non-invasive encapsulated follicular variant papillary thyroid …
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Squamous cell carcinoma is a type of cancer that starts in the anus or anal canal, which is the opening at the end of the digestive tract. This cancer develops from squamous cells, which are flat cells that normally line the surface of the anal canal. Anal squamous cell carcinoma usually grows slowly at first …
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Keratinizing squamous dysplasia of the larynx is a precancerous condition affecting the tissue on the inner surface of the larynx. This condition is considered a precancerous disease because it can, over time, turn into a type of laryngeal cancer called squamous cell carcinoma. Pathologists divide keratinizing squamous dysplasia into three grades – mild, moderate, and …
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