Understanding medical terms

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Margin status

The edge or border of the tissue that was removed at the time of surgery.

Metaiodobenzylguanidine (MIBG) scan

A scan used to locate and diagnose certain types of tumours in the body such as a phaeochromocytoma.


Levels of metanephrines (breakdown products of the fight or flight hormone adrenaline or nor-adrenaline) can be measured in the blood and may be raised in conditions such as paraganglioma or phaeochromocytoma.

Multiple endocrine neoplasia (MEN) 1 or 2

This is a rare family syndrome and people who have this condition have a higher risk of developing NETs. This condition is associated with tumours of the endocrine (hormone-producing) glands in the body such as the pituitary gland in the brain, the parathyroid and thyroid glands in the neck, the adrenal glands (located on top of the kidneys) and the pancreas.