malignancy that has metastasized beyond the primary site for example to bone or another organ brain cancer may result as a primary tumor from astrocytes, meninges, nerve cells or tissues from within the brain. metastic brain cancer occurs when a brain tumor develops as a consequence of a ...
Cancer development occurs with 4 steps; Initiation, Promotion, Progression, and metastasis. Initiation Gene change Promotion Things that promote the cancer growth. Some examples would be; Insulin, estrogen, hormones, Progression Cancer becomes more malignant Metastasis Cancer spreads to different parts ...
when it forms notable abnormalities in chromosomes and then multiplies exceedingly. Then metastasis usually occurs and generally causes the death of the host. There are many different cancers which form on just about all parts of the body. In the US, skin cancer is the most common cancer, then...
These tumors might occur any time after puberty, but the peak usually occurs in the women approaching menopause. Some are cystic while some are solid. They might originate from either the fibrous tissue or from the milk-carrying ducts. b. Malignant Tumors Malignant tumors are present as painless...
Cancer occurs most often fourth to seventh decade of life in people who have been exposed chronically to car-cinogens and irritants found in ciga-rette smoke and alcohol diagnosis and Treatment ... T1 cancers less than two centimeters (cm) 75-80%, five-year surviva T2 cancers two to four...
a. predominant cell type b. rate of progression c. age of individual when cells differentiation occurs d. stage of cell development when malignancy first occurs e. serum level of leukocytes ans: a, b the current classification of leukemia is based on (1) the predominant cell of origin (...
A sample response follows: Both diseases are hereditary, but cystic fibrosis occurs as a result of a single gene that is mutated during the development of the fetus; Down syndrome happens when a fetus inherits an extra copy of the 21st chromosome. Which of the following i...
Limiting social contacts is not appropriate at a time when the patient is likely to need a good social support system. The damage occurs at the hair follicle and will occur regardless of gentle washing or use of a mild shampoo. The information that the hair will grow back is not ...
Metastasis occurs when malignant cells undergo a process called? the epithelial-to-mesenchmal transition (EMT) epithelial-to-mesenchmal transition (EMT):1.express surface receptors for ___ (aka ___):a.___b.___c.___ basal lamina componentsbasement membranecollagensproteoglycansglycoaminoglycans...
1.Malignant tumor that occurs in the kidneys or abdomen. Tumor grows rapidly & usually large @ diagnosis.2.Tumor usually unilateral;10% affect both kidneys3.Diagnosis usually occurs before age 5; peak ages between 2 & 3 years.4.Etiology unknown: some cases occur via genetic inheritance.5.Ass...