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A neoplasm (/ ˈ n iː oʊ p l æ z əm, ˈ n iː ə-/) [1] [2] is a type of abnormal and excessive growth of tissue. The process that occurs to form or produce a neoplasm is called neoplasia. The growth of a neoplasm is uncoordinated with that of the normal surrounding tissue, and persists in growing abnormally, even if the original trigger is ...
Meaning Origin language and etymology Example(s) -iasis: condition, formation, or presence of Latin -iasis, pathological condition or process; from Greek ἴασις (íasis), cure, repair, mend mydriasis: iatr(o)-of or pertaining to medicine or a physician (uncommon as a prefix but common as a suffix; see -iatry)
A localized disease is an infectious or neoplastic process that originates in and is confined to one organ system or general area in the body, [1] such as a sprained ankle, a boil on the hand, an abscess of finger.
Invasion is the process by which cancer cells directly extend and penetrate into neighboring tissues in cancer. [1] It is generally distinguished from metastasis, which is the spread of cancer cells through the circulatory system or the lymphatic system to more distant locations. Yet, lymphovascular invasion is generally the first step of ...
Neoplasia is the medical term used for both benign and malignant tumors, or any abnormal, excessive, uncoordinated, and autonomous cellular or tissue growth. Desmoplastic reaction to breast cancer. Desmoplasia refers to growth of dense connective tissue or stroma. [2]
It may lead to the gross enlargement of an organ, and the term is sometimes confused with benign neoplasia or benign tumor. [5] Hyperplasia is a common preneoplastic response to stimulus. [6] Microscopically, cells resemble normal cells but are increased in numbers. Sometimes cells may also be increased in size (hypertrophy). [7]
Myeloproliferative neoplasms (MPNs) are a group of rare blood cancers in which excess red blood cells, white blood cells or platelets are produced in the bone marrow. Myelo refers to the bone marrow, proliferative describes the rapid growth of blood cells and neoplasm describes that growth as abnormal and uncontrolled.
Cancer of unknown primary origin (CUP) is a cancer that is determined to be at the metastatic stage at the time of diagnosis, but a primary tumor cannot be identified. A diagnosis of CUP requires a clinical picture consistent with metastatic disease and one or more biopsy results inconsistent with a tumor cancer.