Metastasis is the general term used to describe the spread of cancer cells from the primary tumor to surrounding tissues and to distant organs and is the primary cause of cancer morbidity and mortality.
What is the spread of a malignant tumor called?
Metastasis means that cancer spreads to a different body part from where it started. When this happens, doctors say the cancer has “metastasized.” Your doctor may also call it “metastatic cancer,” “advanced cancer,” or “stage 4 cancer.” But these terms can have different meanings.
Which term best describes a cancerous tumor?
A tumor can be benign (noncancerous) or malignant (cancerous, meaning it can spread to other parts of the body).
What term describes localized tumor growth has not spread?
1 In contrast, tumors that stay localized and don’t spread are called benign. Benign tumors may grow quite large and can do damage, but they do not usually spread through the bloodstream or lymph vessels to other parts of the body.
What is a localized tumor growth?
Listen to pronunciation. (LOH-kuh-lized) In medicine, describes disease that is limited to a certain part of the body. For example, localized cancer is usually found only in the tissue or organ where it began, and has not spread to nearby lymph nodes or to other parts of the body.
How do malignant tumors spread?
When cancer spreads, it’s called metastasis. In metastasis, cancer cells break away from where they first formed, travel through the blood or lymph system, and form new tumors in other parts of the body. Cancer can spread to almost anywhere in the body. But it commonly moves into your bones, liver, or lungs.
What is the best definition for malignant?
Full Definition of malignant
1 : tending to produce death or deterioration malignant malaria especially : tending to infiltrate, metastasize, and terminate fatally a malignant tumor. 2a : evil in nature, influence, or effect : injurious a powerful and malignant influence.
When a malignant tumor spreads to sites distant from the primary tumor What is the process called?
Metastasis is the process by which cancer cells spread to distant locations in the body.
How would you describe a malignant tumor?
Malignant tumors have cells that grow uncontrollably and spread locally and/or to distant sites. Malignant tumors are cancerous (ie, they invade other sites). They spread to distant sites via the bloodstream or the lymphatic system. This spread is called metastasis.
Which of the following is a characteristic of a malignant tumor?
A malignant neoplasm is composed of cells that look less like the normal cell of origin. It has a higher rate of proliferation. It can potentially invade and metastasize. Malignant neoplasms derived from epithelial cells are called carcinomas.
Which of the following terms means that the tumor has not extended beyond its original site?
Carcinoma in situ refers to cancer in which abnormal cells have not spread beyond where they first formed. The words “in situ” mean “in its original place.”
What is a neoplasm?
Listen to pronunciation. (NEE-oh-PLA-zum) An abnormal mass of tissue that forms when cells grow and divide more than they should or do not die when they should. Neoplasms may be benign (not cancer) or malignant (cancer).
Which of the following terms refer to a malignant tumor of mesenchymal origin?
A sarcoma is a malignant tumor, a type of cancer that arises from transformed cells of mesenchymal (connective tissue) origin.