Skull Base Surgery & It's Concept

Treatment of Skull & Brain Tumors

Since tumors of the skull base sit underneath the brain, it can be difficult during surgery to get to the tumor in order to remove it. Traditional techniques used to approach tumors of the brain itself can be used to approach skull base tumors, but these often require significant force to retract the patient’s brain out of the way. This may lead to unwanted injury to otherwise normal brain tissue.

The basic concept of skull base surgery is to approach the tumor from underneath or from the side by removing specific areas of skull base bone. Thus, the tumor can be exposed with little to no brain retraction. Skull base procedures, for example, may be designed to traverse the bone containing the ear (trans-temporal/trans-petrosal/retrosigmoid approaches), low on the temple beneath the brain (middle fossa approach), around the eye (trans-orbital/orbital-zygomatic/craniofacial approaches), through the nose or paranasal sinuses (trans-sphenoidal/trans-ethmoidal/trans-facial approaches), or from the neck (trans-cervical). Fundamentally, these are minimally-invasive techniques designed to maximize tumor removal while preserving neurological function to the greatest extent possible.

The skull base is the bottom part of the skull. While the sides, front, back, and top of the skull are essentially smooth, thin walls of bone, the skull base is dramatically more complex. The skull base is complex because every nerve in the body that carries signals to and from the brain crosses the skull base. Additionally, the large vessels that carry blood to and from the brain run through the skull base.

Skull base surgery is used for treatment of tumors & other diseases at the base of the brain, behind the eyes, and in the nasal cavity. The procedures that are performed in this complicated area generally fall into two categories:
1. Open skull base surgery, in which an incision is made in the scalp.
2. Endoscopic or minimally invasive skull base surgery, which is done through the nose.

At the Apollo treatment center, treatment is provided by a team of specialists in neurosurgery, craniofacial surgery, otolaryngology, oncology, neuroradiology, neuropathology, and other disciplines.

When is the skull base surgery is used?

1. Benign skull base tumors
2. Malignant skull base tumors
3. Arteriovenous malformations (AVMs)
4. Trigeminal neuralgia
5. Cysts that develop from birth
6. Cerebrospinal fluid leakage from the nose.

For more information about neurology, related issues visit the best neurosurgeon in India.

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