cone biopsy

The cone biopsy -  A surgical procedure in which a conical or cylindrical section of tissue from the lower part of the cervix (neck of the uterus) is removed (see biopsy of the cervix box.

A cone biopsy is performed following an abnormal result of a cervical smear test if the extent of the precancerous or cancerous area cannot be seen by colposcopy (inspection of the cervix with a viewing instrument). (See also cervix, cancer of).


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