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Malignancy (from Latin male 'badly' and -gnus 'born') is the tendency of a medical condition to become progressively worse; the term is most familiar as a characterization of cancer.
A neoplasm can be benign, potentially malignant, or malignant . [9] Benign tumors include uterine fibroids, osteophytes, and melanocytic nevi (skin moles). They are circumscribed and localized and do not transform into cancer. [8] Potentially-malignant neoplasms include carcinoma in situ. They are localised, and do not invade and destroy but in ...
This name comes from the appearance of the cut surface of a solid malignant tumor, with "the veins stretched on all sides as the animal the crab has its feet, whence it derives its name". [222] Galen stated that "cancer of the breast is so called because of the fancied resemblance to a crab given by the lateral prolongations of the tumor and ...
The word melanoma has a long history of being used in a broader sense to refer to any melanocytic tumor, typically, but not always malignant, [170] [171] but today the narrower sense referring only to malignant types has become so dominant that benign tumors are usually not called melanomas anymore and the word melanoma is now usually taken to ...
In the term "malignant narcissism", the word "malignant" is used in the sense described by the Merriam-Webster Dictionary as "passionately and relentlessly malevolent, aggressively malicious". [16] In malignant narcissism, NPD is accompanied by additional symptoms of antisocial, paranoid and sadistic personality disorders. While a person with ...
Carcinoma is a malignancy that develops from epithelial cells. [1] Specifically, a carcinoma is a cancer that begins in a tissue that lines the inner or outer surfaces of the body, and that arises from cells originating in the endodermal, mesodermal [2] or ectodermal germ layer during embryogenesis.
Malignant transformation is the process by which cells acquire the properties of cancer. This may occur as a primary process in normal tissue, or secondarily as malignant degeneration of a previously existing benign tumor .
The name's etymological origin is the Greek word ὄγκος (ónkos), meaning "tumor", "volume" or "mass". [2] Oncology is concerned with: The diagnosis of any cancer in a person (pathology) Therapy (e.g. surgery, chemotherapy, radiotherapy and other modalities) Follow-up of cancer patients after successful treatment