A hamartoma (plural: hamartomas or hamartomata) is a benign tumor-like malformation that consists of a collection of architecturally disorganized cells located in an area of the body where the cells are normally found. It is often due to abnormal development. Contrast this to a choristoma which is a collection of microscopically-normal cells in an abnormal location.
In radiology, hamartomas often mimic malignancy. Several hamartomata have characteristic imaging findings:
History and etymology
The term hamartoma derives from the Greek word hamartía meaning error or failure.
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