endometrial

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endometrial (en-doh-mee-tri-ăl) adj. relating to or affecting the lining of the uterus (endometrium). e. ablation an operation to remove the entire endometrium, usually to treat menorrhagia. It is performed under local anaesthetic by means of laser ablation, electrocoagulation, balloon thermal coagulation, or microwaves (microwave e. a.), which vaporize the endometrial tissue. e. aspiration the removal, by means of suction, of a sample of endometrial tissue for diagnostic purposes. e. hyperplasia an increase in the thickness of the cells of the endometrium, usually due to prolonged exposure to unopposed oestrogen (e.g. from HRT or an oestrogen-secreting tumour). Atypical cells may be present.