Biopsy is a technique that makes it possible to obtain a tissue sample for analysis so as to achieve a correct diagnosis. In the case of a stereotactic biopsy, a small hole is made in the skull to obtain brain tissue. This technique avoids performing a more complex operation to obtain a sample. The best neurosurgeon can perform this intervention, using a technique that minimizes risks and hospitalization time.
However, it is not done exclusively to obtain tissue. It is an appropriate procedure when it is suspected that there may be a tumor that does not require surgery and may be treated with radiotherapy. But it is also carried out to empty the contents of a cyst or a deep abscess, since conventional surgery could pose a greater risk. Besides, stereotactic biopsy makes it possible to differentiate between: tumors, inflammation, infections, cerebral infarctions, etc.
Before executing a stereotactic biopsy, it will be necessary to determine precisely the point where tissue extraction must be performed. To this end, the patient is given a helmet in which coordinate axes are reflected. A subsequent cranial CT scan shows the brain injury and its coordinates. In this way, the exact place for the intervention is pinpointed. The extraction of the tissue sample is carried out with a very fine needle and the resulting wound is closed with several stitches.
In most cases the intervention is performed under local anesthesia, so in many cases the patient can go home that same day. Hospital stay will depend on the patient’s state of health prior to the biopsy. The stitches will be removed one week after the biopsy. Obviously, post-intervention treatment will depend on the diagnosis.
At Instituto Clavel we have the tools and cutting-edge technology to carry out this type of intervention. We know that a patient may feel nervous before this surgery, which is completely normal, but the truth is that this simple operation does not usually present complications.