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Hip dysplasia is an abnormality of the hip joint where the socket portion does not fully cover the ball portion, resulting in an increased risk for joint dislocation. [4] Hip dysplasia may occur at birth or develop in early life. [4] Regardless, it does not typically produce symptoms in babies less than a year old. [5]
In the 15–49-year-old age bracket the most common form of malignancy is breast cancer with liver and lung cancer following. [26] Finally, those aged 60 and over mainly develop lung, colorectal, stomach and liver malignancy. [26] Uses of "malignant" in oncology include: Malignancy, malignant neoplasm and malignant tumor are synonymous with cancer
Dysplasia is not considered a true adaptation; rather, it is thought to be related to hyperplasia and is sometimes called "atypical hyperplasia". Tissues prone to dysplasia include cervical and respiratory epithelium, where it is strongly associated with the development of cancer; it may also be involved in the development of breast cancer .
The most severe cases of dysplasia are referred to as carcinoma in situ. In Latin, the term in situ means "in place"; carcinoma in situ refers to an uncontrolled growth of dysplastic cells that remains in its original location and has not shown invasion into other tissues. Carcinoma in situ may develop into an invasive malignancy and is usually ...
Malignant neoplasms are also simply known as cancers and are the focus of oncology. Prior to the abnormal growth of tissue, such as neoplasia, cells often undergo an abnormal pattern of growth, such as metaplasia or dysplasia. [8] However, metaplasia or dysplasia does not always progress to neoplasia and can occur in other conditions as well. [3]
The medical significance of metaplasia is that in some sites where pathological irritation is present, cells may progress from metaplasia, to develop dysplasia, and then malignant neoplasia (cancer). Thus, at sites where abnormal metaplasia is detected, efforts are made to remove the causative irritant, thereby decreasing the risk of ...
Cancer cells are cells that divide continually, forming solid tumors or flooding the blood or lymph with abnormal cells. Cell division is a normal process used by the body for growth and repair. A parent cell divides to form two daughter cells, and these daughter cells are used to build new tissue or to replace cells that have died because of ...
Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. [2] [7] These contrast with benign tumors, which do not spread. [7] Possible signs and symptoms include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a change in bowel movements. [1]