Last revised by Daniel J Bell on 04 Nov 2021

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.

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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