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Stereotactic Biopsy of Brain Tumors

A process known as stereotaxy helps locate and map out the tumor with three dimensional computers. The surgical techniques focus on performing biopsies, removing tumors, and implanting radiation pellets. The third dimension is what helps the surgeon accurately insert the needle for biopsies, laser beam vaporization, scalpel methods, and suction procedures which helps neurosurgeons locate and remove deeper tumors within the brain.
These procedures are performed with the stereotaxy method of using a head frame, which hold the patient’s head in place to map out images of the tumor-affected area of the brain in order to guide the surgeon with coordinates for the surgical procedure. Another imaging tactic known as frameless stereotaxy provides the same following functions without the use of a head frame and instead with the use of a handheld device. This tactic produces quicker and continuous imaging for removal surgical procedures. It also is beneficial with the removal of multiple tumors.
Craniotomy and resection of brain tumors
The craniotomy procedure requires the removal of bone from the skull in order to reach the brain and structures around it. After cleansing of the scalp, an incision is made somewhere along the hairline and ear area of the patient depending on the location of the brain tumor. A small section of the cranium is removed to gain access to the infected area. Special tools are used to open and remove the area of the skull known as the bone flap. Microscopes or the use of smaller incision tools such as the endoscope, a lighted camera scope, help guide the neurosurgeons in performing the surgical procedure. Removal area of the patient’s incision is replaced with either metal plates, sutures, or wires.
Craniotomy and clipping of aneurysm
While performing a craniotomy, the clipping of an aneurysm will occur in order to isolate the normal circulation of the blood flow without the blocking of other arteries. During the removal of the skull from cranium structure, tiny clips are placed along the base line of the aneurysm to prevent regular blood flow from entering the operated area. Once the aneurysm is controlled by the clips, the retractors holding the brain are removed and closure of the surgical procedure is performed. The bone flap is replaced afterwards with titanium plates and screws, as well as muscle and skin are sutured in following of this replacement procedure.
Microvascular decompression of cranial nerves