Rhabdomyosarcoma is a type of cancer that develops from skeletal muscle tissue, the muscle responsible for voluntary movements like walking or lifting objects. This cancer most commonly affects children, but it can also be found in adults. Rhabdomyosarcoma can occur almost anywhere in the body, but it most frequently arises in areas such as the …
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What is squamous cell carcinoma of the vagina? Squamous cell carcinoma is the most common type of cancer in the vagina. The tumour starts from specialized squamous cells that cover the inside surface of the vagina. What causes squamous cell carcinoma of the vagina? The most common cause of squamous cell carcinoma in the vagina …
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Osteosarcoma is a type of bone cancer and the most common type of sarcoma to develop in a bone. Osteosarcomas more commonly affect teenagers but it can also affect adults. The most common site for osteosarcoma is the long bone of the thigh. Pathologists divide osteosarcomas into histologic types based on how the tumour cells …
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Well differentiated neuroendocrine tumour (NET) of the colon and rectum is a type of cancer made up of neuroendocrine cells. The tumour can develop anywhere along the length of the colon and rectum although it is most commonly found in the rectum. Pathologists divide these tumours into three grades (G1 through G3) with higher-grade tumours …
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Squamous cell carcinoma (SCC) is a type of non-small cell lung cancer. The tumour starts from specialized squamous cells that are normally found on the inside of the airways of the lungs. These cells form a barrier called the epithelium which helps protect the airways from damage. SCC of the lungs can be keratinizing (KSCC), …
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Invasive melanoma is a common type of skin cancer made up of cells called melanocytes that are normally found in a part of the skin called the epidermis. As the tumour grows, the abnormal melanocytes spread into a layer of skin called the dermis. Large tumours can eventually spread into even deeper layers of tissue …
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Background: Papillary thyroid carcinoma (PTC) is the most common type of thyroid cancer, accounting for approximately 80% of all thyroid cancer cases. The thyroid gland, a vital butterfly-shaped organ located in the front of the neck, plays an important role in regulating metabolic processes within the body. The term “papillary” in the name comes from …
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Signet ring cells are round, discohesive (they don’t stick together) cancerous cells filled with a light blue coloured substance called mucin. The mucin tends to push the nucleus (the part of the cell that holds the genetic material) to the side (pathologists describe these nuclei as ‘eccentric’ or ‘peripheral’). Signet ring cells are epithelial cells; however, …
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Sarcomatoid is a term used to describe cancer cells that look similar to those found in sarcoma. However, sarcomatoid cells are not true sarcoma cells, and the tumour is usually another type of cancer called carcinoma. Sarcomatoid cells may also be described as spindle cells because they are longer than they are wide and have tapered ends. Sarcomatoid cells …
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A sarcoma is a type of cancer that begins in the body’s connective tissues, which include bones, muscles, fat, blood vessels, and nerves. These tissues support, protect, and provide structure to other parts of the body. Sarcomas can occur in almost any area but most commonly arise in the arms, legs, and abdomen. What are …
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