Definition - What does Radiological Marker mean?
A radiological marker is a preoperative identifier placed in the body in order to identify the tissue that is to be removed during surgery. These markers are placed with the help of radiological scans and can be seen during radiological scanning.
WorkplaceTesting explains Radiological Marker
A radiological marker assists the operating surgeon in locating and removing tissue or tumors during surgery. Radiological markers are usually placed by a radiologist or other professional prior to the surgery. Blue dye, radioisotopes, marker clips, or a needle marker may be used to identify the surgical site. A marker clip is most often placed when an initial biopsy is performed. This small titanium-based bead or clip is left at the site of the biopsy to guide the surgeon should subsequent surgery for removal of tissue be necessary. The most commonly used radiological marker is the needle localization wire. During the marking process, one or more needles may be placed at the tumor site. An ultrasound, mammogram, or MRI may be used to assist the radiologist in correct placement of the needle wire markers. Once placed, an image of the needle localization wires is created and is used by the surgeon as a guide during the removal procedure.