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portage pathophysiology exam 2.
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portage pathophysiology exam 2.
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1-21 of 21A 40-year-old woman has experienced heavy menstrual bleeding. She was told she
has a uterine tumor called a leiomyoma. She is worried she has cancer. What do you
tell her? Explain at least 2 differences between a benign and malignant tumor.
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, Leiomyoma is a benign tumor. (Leiomyosarcoma is malignant) Student can
add any of the following: Benign tumors are well-differentiated cells,
resemble the cells of tissues of origin, and have a slow, progressive rate of
growth. They grow by expansion and remain localized to their site of
origin, not capable of metastasizing. They develop a rim of connective
tissue around the tumor called a fibrous capsule, which aids in surgical
removal. Benign tumors are less of a threat unless they interfere with vital
functions
Malignant neoplasms invade and destroy tissue. They grow rapidly, spread
to other parts of the body, and lack well-defined margins. They can
compress blood vessels and outgrow their blood supply, causing ischemia
and tissue injury. Surgery can be more difficult if it has spread.
Define polyp. Are they benign or malignant?
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Polyps are abnormal growths found on a mucosal lining, such as the
intestine, vagina, mouth or nose. Polyps can be benign or malignant.
Malignant tumors have which of the following characteristics? Select all that apply.
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variable rate of growth, spreads by metastasis
What is the most important procedure in diagnosing the correct cancer and
histology?
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