and breast cancer stem cells Within a tumor exists a subpopulation of cells that present less abnormal characteristics; however‚ there exists another type that hold the potential to recreate and expand tumor mass. The latter share similar characteristics to normal stem cells‚ which are the unlimited ability to self-renew and the ability to maintain undifferentiated. Over the course of time‚ these cells will differentiate into tumor stem cells (TSC) or tumor-initiating cells with stem-like properties
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radiation-induced. Radiation therapy is also used for the treatment of malignant tumors‚ and is often used as the primary therapy. It is also common to combine radiotherapy with surgery‚ chemotherapy‚ hormone therapy or some mixture of the three. Almost all common types of cancer can be treated with radiation therapy in some way. The precise treatment intent (curative‚ adjuvant‚ neoadjuvant‚ therapeutic‚ or palliative) will depend on the tumor type‚
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There is a 50% chance of being born with neurofibromatosis‚ if a parent has acquired it in his or her lifetime. There are two types of neurofibromatosis‚ type 1‚ and type 2. Neurofibromatosis is a genetic disorder that causes tumors to form on nerve tissue. Most people don’t hear about it‚ because it’s not a well known disease. Despite the fact that it is a little known disease neurofibromatosis is pervasive and often debilitating. NF is a little known neurological disease that has many identities
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according to the pattern of cellular growth and deviations of individual cells from their normal forms. Nurses involved with the treatment of malignancies must possess a knowledge of histology in order to understand the anatomy and classification of tumors. In this section‚ we will review the four basic types of tissue‚ their functions and locations‚ and the terms used to describe these tissues—terms such as squamous‚ stratified‚ cuboidal‚ columnar‚ and others. We are interested in the types of normal
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called a tumor. Some tumors stay within one specific area. They do not spread into surrounding tissues and may not cause any problems. If it is easy to do so‚ these benign tumors are usually removed by surgery. There are usually no further problems. Cancers are dangerous types of growths called malignant tumors. In this type of tumor the cells invade the surrounding tissues. Cancer cells Step 1 - The primary tumor develops as a group of cells that are growing out of control. Step 2 - The tumor gets
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affects the retina with a malignant tumor normally affecting young children from infants to small children around the age of five and rarely affecting adults. Retinoblastoma is autosomal dominant‚ meaning it’s present on the non-sex chromosomes and because it is dominant‚ and Mendel’s Law of Dominance claims that some genes are dominant and are over the recessive genes which prevents the recessive gene from being present. Retinoblastoma forms during pregnancy when the tumor grows within the tissue that
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develop into cancers. Unlike normal genes‚ which can be turned off after being turned on‚ oncogenes are altered in a way that keeps them stuck in a state of constant activity. That uninterrupted action helps drive the uncontrolled growth that underlies tumors. Oncogenes can be turned on by inherited changes - ones that are passed down from parent to child - or by cancer-promoting agents that damage DNA throughout an individual’s lifetime‚ such as UV light‚ hazardous chemicals and even viruses. Cancer
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Jordan Borgerding Real World Case Study of Brain Injury The Last Hippie is the story of a young male‚ Greg F.‚ who suffers profound cognitive alterations and brain damage as a result of a midline tumor. Greg F. was born and grew in the 1950s‚ in a comfortable household in Queens‚ with both parents. He used to be a gifted boy‚ with an ambition for songwriting. With time‚ Greg started to question the principles and conventions of his life with parents; a teenager in the late sixties‚
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Lymphangiomatosis is a disease in which many tumors or cysts grow in the lymph system of the body. In medical terminology lymphangiomatosis means: lymphatic system (lymph) vessel (angi) tumor or cyst (oma) condition (tosis). The tumors are not cancerous‚ but they invade the body tissues and cause a variety of symptoms. The tumors may grow in the bones‚ connective tissue‚ and organs of the body‚ and they may block‚ compress‚ or destroy tissues. They can spread to any area‚ but are more commonly found
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Cancerous cells are being found more and more frequently in men and women each year. There are two known causes to this phenomenon: the tumor suppressor genes and proto-oncogenes. They are mutations that occur in the main cells of the body that ultimately lead to the formation of cancer. A single gene mutation is all that is necessary to drive the cancer cells to grow and divide uncontrollably. As this occurs the body cells go into apoptosis; if the patient does not take the necessary steps for immediate
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