Study of the brain has fascinated specialists all over the globe since time immemorial. The brain being the most vital organ for survival and coordination is perhaps the most complex of them all too. This has led to a limited understanding of its working in spite of the available advanced technology. However, with the advent of techniques for diagnosis and treatment, therapeutic strategies are evolving. This is a major step towards rendering Neurosurgery safer than ever in the history of mankind.

Neurosurgery through the 20th Century-

During the beginning of the 20th century, Neurosurgery was considered as a specialty. The clinical-neurologist would draw conclusions related to lesions in the brain through neurological examination and clinical history. It enabled diagnosis of vascular lesions, spinal disorders, and brain tumors. During the second and third decades of the 20th century, vascular pathologies and brain tumors could be diagnosed indirectly through techniques like angiography, ventriculography, and pneumoencephalography. But since the operative techniques were too crude and the lack of skilled professionals were rampant, there were high rates of morbidity and mortality due to neurological conditions. Generally, after diagnosing the nature of brain lesion and its site, surgery was performed with inadequate maintenance and control of intracranial pressure and through not too sophisticated surgical instruments.

During the fifth and sixth decades of the 20th century, chemotherapy and radiation treatment came into the picture for treating malignant brain tumors, thereby reducing mortality to a good extent.

During the seventh decade of the 20th century, Computed Tomography (CT) scan provided a better understanding of the location of lesions in the brain which slightly substantiated the earlier techniques. Then, the procedures for cerebrospinal fluid diversion significantly improved management of intracranial pressure during surgery.

It was only during the last decade of the 20th century that the Neurology saw a giant progressive leap through the introduction of Magnetic Resonance Imaging (MRI) and powerful high magnification microscopes. Combined with Neuroanesthesia and Intracranial Pressure Management, this aided surgeons to work on a relaxed brain. This promoted safe removal of the brain tumor and better management of vascular lesions. Moreover, the understanding of micro-surgical anatomy improved drastically, leading to a boost in confidence levels of the micro-neurosurgeons performing the operation.

Neurosurgery in the 21st Century-

The 21st century is actually a revolutionary era that uses powerful computers in almost all the fields possible. Computer-based applications such as Neuro-imaging, Neuronavigation, Intra-operative Neuro-monitoring, and Neuro-modulation are now used in standard neurosurgical practice as a part of the routine. Extremely powerful CT scans and MRIs are used for diagnosis before surgery. The advent of nanotechnology and its application in Neurosurgery is doing great and has a promising future ahead based on the current study of scenarios. Moreover, there is a possibility of most of the Neurosurgical procedures becoming minimally invasive. Frameless Stereotaxy is another technique that helps in locating the exact position of the tumor, which further helps the neurosurgeon in navigating with great precision the very sensitive, high-risk areas of the brain. Such techniques, to a great extent, have lowered mortality and morbidity, lessened the rate of recovery, and chances of infection related to Neurosurgery.

Take Away-

A number of techniques for diagnosis and precise location of the tumor in the brain have made Neurosurgery much safer today, due to advancement in science and technology, than it ever had been in the history of mankind.

Advancements In Neurosurgery - Know How Safe It Is!

Acoustic vestibular schwannoma or the acoustic neuroma is a kind of tumour. But this tumour is benign which means it is non-cancerous. The vestibular nerve connects your ear to your brain, it is responsible for hearing and balancing. An acoustic neuroma develops on the vestibular nerve. And it can cause hearing impairment.

How does acoustic Vestibular Schwannoma occur? 
The vestibular nerve is lined with Schwann cells. Sometimes, these cells start to develop rapidly. This forms a mound on the nerve, it slowly becomes large enough to prod against the brain, and this adversely affects the actions of the brain.

What are the Symptoms?
In the early phases, the tumour does not trigger any symptoms. They begin to manifest once the tumour starts expanding. Here is a list of the symptoms of acoustic vestibular schwannoma-
  Gradual hearing loss
  Misalignment and losing balance
  Ringing in the ears.
  Regions of numbness in your face
Even though these tumours are benign, sometimes they enlarge to such an extent that they can be harmful to the brain. As soon as you witness the above-mentioned symptoms, book an appointment with a doctor.
With timely treatment and medication, doctors can reverse the growth of an acoustic vestibular schwannoma. 

What triggers this Disease?
The exact cause of this disease is not known. It could be any one of the following-
  A chromosomal anomaly or a malfunctioning gene
  Inhibition in the function of the protein suppressor that regulates the growth of Schwann cells

How is Acoustic Vestibular Schwannoma detected?
Your doctor will recommend these tests-

  Audiometry -
The audiologist will present sounds at different frequencies and you will have to make a gesture whenever you hear a sound. This will reveal the state of your hearing.

  Magnetic Resonance Imaging -
An MRI can detect the presence of a tumour that is 1-2 mms in diameter. If MRI causes pain or discomfort, a CT scan will be done.

Treatment -
If the tumour is tiny, your doctor won t prescribe medicines but your tumour will be monitored and imaged regularly so that the proper action can be taken as soon as it begins to enlarge.

  Surgery -
If the tumour is large, then you might have to undergo surgery. Not only will the tumour be removed, but also care will be taken to preserve the facial nerve so that facial paralysis does not set in.
You will be placed under general anaesthesia. The surgeon will drill a small hole in your skull near the ears and extract the tumour through your inner ears.

  Radiation -
If the tumour is small or if the patient is elderly and surgery can cause complications, doctors suggest radiation therapy. In this therapy, gamma rays are directed towards the tumour to shrink it.
Acoustic vestibular schwannoma can be treated if diagnosed on time. So, if you have noticed any symptoms, talk to a doctor right away.

Acoustic Vestibular Schwannoma - All You Must Know About It!

According to a major study that provides a connection between height and cancer, it is stated that taller people are more prone to developing cancer. Research has found that the risk of developing any kind of cancer in women rises by 18% for an increase of every 10 cm in height. In men, the risk rises by 11%, even though height is not as major a factor as are obesity, smoking and a bad, unhealthy diet.

Several reasons have been put forward for the above statement. One of the reasons is that the number of body cells in taller people is more than people with average height. This leads to an increase in the number of cells which could potentially turn malignant.

While individually analysing the impact of height on different cancer forms, it was found that the highest increase in risk was in skin cancer (30% for every 10 cm increase in height), while a 20% increase was noted in taller women developing breast cancer.

Development of cancer in regions including the colon and rectum is known as colorectal cancer. Long legs have been surprisingly associated with this form of cancer. In comparison with shorter people, it was reported that taller people had a higher risk percentage of developing colorectal cancer. Two hypotheses regarding the formation of colorectal cancer have been developed. One hypothesis is that taller people have longer colons, which in turn result in more surface area where colon cancer can develop. The other hypothesis is that taller people experience increased levels of growth hormones. These particularly affect the length of their legs. The growth hormone called 'insulin-like growth factor 1' is increased during puberty and is considered to be a risk factor for colorectal cancers occurring at later stages.

Being Taller Increases Your Risk of Cancer!

A brain tumor can occur at any age and it generally occurs in people in the age group of 40-60 years. The common types of brain tumor are termed as meningioma and gliomas. These supratentorial brain tumors generally occur above the covering of the cerebellum tissue. In children, brain tumors occur at the age of 1-12 years and the most common tumors are ependymomas, astrocytoma and meduloblastomas. Brain tumor is the common cause of death even in children.

Tips to Detecting a Brain Tumor

The general symptoms that are indications of a brain tumor include severe headaches, memory changes, nausea, drowsiness, sleep problems, fatigue and sudden involuntary movements of muscles of an individual. The symptoms can be either specific or generic and the general symptoms are mainly caused by the pressure of the tumor on the brain. The specific symptoms on the other hand are caused when specific parts of the brain does not function properly. Many people even experience loss of control of body functions.

The other problems that are experienced by individuals include changes in the ability to perform daily activities and loss of balance. They find difficulty in hearing, speech and at times are very aggressive. If these symptoms exist, then your doctor would recommend a physical examination and ask about your health history and that of your family.

Tests to Detect Brain Tumor
The tests that are advised by doctors to detect a brain tumor include MRI, neurologic exam, CT scan, biopsy, angiogram and spinal tap.

In the neurologic exam the vision, alertness, hearing, coordination, muscle strength and reflexes are checked by the doctor. The doctor also checks for any swelling in the eyes which can be caused by the pressing of the nerve which connects the brain and the eye.

The CT scan done for detecting brain tumor provides detailed pictures of your head and it is done through an X-ray machine which is connected to a computer. The contrast material is injected into the blood vessel of your hand and abnormal areas can be seen easily.

Biopsy
In this method tissues from the brain are removed and tested for tumor cells. The cells are observed by a pathologist under a microscope mainly to check for abnormal cells. The biopsy method is used to show tissue changes that can further lead to cancer. Brain tumor can be easily diagnosed with this method.

MRI:
Magnetic Resonance Imaging or MRI as it is commonly referred to is of great use as it helps to diagnose brain tumors. In this procedure, a dye is injected through a vein in the arm using which the variances in the tissues of the brain can be identified.

Consult your doctor today for more information on the same.

Tips For Detecting A Brain Tumor!

Today is World Cancer Day.

Though there are no proven ways to prevent cancer, you can do a lot of things reduce your risk of getting the disease. Here are 10 good important ways to do so:

1. Eat a healthy balanced diet
2. Maintain a healthy weight
3. Drink less alcohol
4. Quit smoking
5. Say No to any form of Tobaco including Pan and Gutka
6. Do regular exercise. At least, Walking.
7. Protect your skin from sun damage
8. Cervical smear tests for women every 3-5 years
9. Breast examination for signs of lumps, dimples or puckering
10. Last but not the least, in case of any lump or doubtful mass, consult an Oncologist without delay.

10 Concrete Ways To Minimize Cancer Risk

Are you aware of the link between air pollution and cancer? Air pollution refers to the mixture of several harmful substances, which lead to various serious health hazards on exposure. The primary sources of air pollution are man-made, including fumes from automobiles and the smoke from burning fuels. Desert dust, radon gas, and several other natural sources of air pollution are equally dangerous. Air pollution is classified into outdoor and indoor air pollution. It is highly associated with increased risks of developing cancer. Smoking is considered to be one of the major agents, which pollute the air and increase the chances of cancer to a large extent.

Outdoor air pollution

Outdoor air pollution is strongly linked with cancer development.
As every person is exposed to some form of air pollution, it has a more harmful effect on the whole population across the globe as a general threat.
A certain part of outdoor air pollution referred to as PM 2.5, or solid dust particles, are highly responsible for the development of cancer.
The chances of cancer increase with the increase in PM 2.5 levels in the air.
Indoor air pollution

There are several sources of indoor air pollution that are closely associated with an increased risk of cancer.
The sources include fuels used for heating homes and for cooking, radon, and tobacco smoke.
Second hand smoke is another harmful indoor air pollutant that causes cancer.
Second hand smoke

Secondhand smoke increases the risk of cancer development, along with the risk of developing other diseases such as stroke and lung disease.
A lot of people all over the world get exposed to second hand smoke.
A lot of deaths occur due to cancer because of second hand smoke exposure which is common every year, all over the globe.
Radon

Radon is a natural radioactive gas, which is associated with increased risks of developing lung cancer.
It is found at low levels outdoors. It may also build in high concentrations indoors.
Although radon exposure does not pose a huge threat for cancer, a lot of radon-associated cancers develop due to exposure to radon, along with tobacco smoke.
Benzene

This is a flammable liquid having no color and with a sweet odor.
It is closely associated with the development of leukemia and cancers affecting other cells of the body.
Cigarette smoking and tobacco smoke are major cancer causing elements that are found in the air commonly. Both of these are quite harmful. It is recommended that you not only quit smoking, but also keep away from passive smoking.

Pollution and Cancer - How They Are Related?

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