A noncancerous mass, resembling a tumour, which consists of an overgrowth of tissues that are normally found in the affected part of the body. Hamartomas are common in the skin (the most common is a haemangioma), but they also occur in the lungs, heart, or kidneys.
These are benign tumours, usually in the lung, containing normal components of pulmonary tissue such as smooth muscle and connective tissue.
n. an overgrowth of mature tissue in which the elements show disordered arrangement and proportion in comparison to normal. The overgrowth is benign but malignancy may occur in any of the constituent tissue elements.
(Bourneville’s disease, epiloia) a hereditary disorder in which the brain, skin, and other organs are studded with small plaques or tumours; eye involvement includes retinal tumours (astrocytic *hamartomas), *coloboma, *papilloedema, optic nerve gliomas, and eyelid neuromas. Symptoms include epilepsy, learning difficulties, and behavioural disorders.... tuberous sclerosis
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