Malignancy (from the Latin roots mal- = "bad" and -genus = "born") is the tendency of a medical condition, especially tumors to become progressively worse and to potentially result in death. It is characterized by the properties of anaplasia, invasiveness, and metastasis. [1] Malignant is a corresponding adjectival medical term used to describe a severe and progressively worsening disease. The term is most familiar as a description of cancer. A malignant tumor may be contrasted with a non-cancerous benign tumor in that a malignancy is not self-limited in its growth, is capable of invading into adjacent tissues, and may be capable of spreading to distant tissues (metastasizing ), while a benign tumor has none of those properties. Malignant tumor is synonymous with cancer. Uses of "malignant" in oncology: Malignancy , malignant neoplasm , and malignant tumor are synonymous with cancer Malignant ascites Malignant transformation Non-oncologic disorders referred to as "malignant" : Malignant hypertension Malignant hyperthermia ''Malignant otitis externa Malignant tertian malaria (Malaria caused specifically by Plasmodium falciparum ) Neuroleptic malignant syndrome

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See also

• Benignity (the opposite of malignancy)
• Premalignant

References

1. Wilkins, E. M. 2009. clinical practice of the dental hygienist tenth edition. lippincott williams and wilkins, a walters kluwer business. Philadelphia, PA.