Tag Archives: brain tumors

Cell Phone Cancer

October 25, 2013Careand, brain cancer, brain tumors, breast cancer cell phone covers, Cancer, cell phone and brain cancer, cell phone and cancer risk, cell phone brain cancer, cell phone brain cancer risk, cell phone cancer, cell phone cancer research, cell phone cancer risk, cell phone cancer study, cell phone cause cancer, cell phone causes cancer, cell phone causing cancer, cell phone emf, cell phone hazard, cell phone hazards, cell phone health, cell phone health dangers, cell phone microwave, cell phone microwaves, cell phone mobiles, cell phone protection, cell phone radiation and cancer, cell phone radiation cancer, cell phone radiation danger, cell phone radiation protection, cell phone risk of cancer, cell phone towers and cancer, cell phone towers cancer, cell phone usage and cancer, cell phone use and brain cancer, cell phone use and cancer, cell phone use brain cancer, cell phone use cancer, cell phones and brain cancer, cell phones brain cancer, cell phones cause cancer, cellphone brain cancer, cellular phone cancer, consumers, could, Discovery Health Prevention, do cell phone cause cancer, do cell phone towers cause cancer, do cell phones cause brain cancer, do cell phones cause cancer, does cell phone use cause cancer, first, for, in, Interesting Fact, Interesting Fact The, is, lowest radiation cell phone, Myth Cell, of, phone radiation, reports, Tesla Marconi, to, useVincent Yong

Myth: Cell phones cause brain cancer

Lawsuits and news headlines have fueled the myth that cell phones cause cancer, particularly brain cancer, and 30 percent of Americans still believe this myth, according to the Discovery Health/Prevention telephone survey. Consumers could easily have missed the reports showing no danger from cell phones because they didn’t receive alarming front-page coverage like the original reports. A few studies suggested a link with certain rare types of brain tumors, but the consensus among well-designed population studies is that there is no consistent association between cell phone use and brain cancer. [Source]

Interesting Fact:The very first patent for a cell phone like device (wireless telephone) was granted in 1908 to Nathan B. Stubblefield who some people claim invented the radio before Tesla and Marconi. Stubblefield died as a self-imposed hermit by starving to death.

Brain Tumor Surgery

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Brain Tumor Surgery

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A brain tumor is an abnormal growth of cells within the brain or inside the skull, which can be cancerous or non-cancerous (benign).

It is defined as any intracranial tumor created by abnormal and uncontrolled cell division, normally either in the brain itself (neurons, glial cells (astrocytes, oligodendrocytes, ependymal cells), lymphatic tissue, blood vessels), in the cranial nerves (myelin-producing Schwann cells), in the brain envelopes (meninges), skull, pituitary and pineal gland, or spread from cancers primarily located in other organs (metastatic tumors).

Primary (true) brain tumors are commonly located in the posterior cranial fossa in children and in the anterior two-thirds of the cerebral hemispheres in adults, although they can affect any part of the brain.

Signs and symptoms

Symptoms of brain tumors may depend on two factors: tumor size (volume) and tumor location. The time point of symptom onset in the course of disease correlates in many cases with the nature of the tumor (“benign”, i.e. slow-growing/late symptom onset, or malignant, fast growing/early symptom onset) is a frequent reason for seeking medical attention in brain tumor cases.

Large tumors or tumors with extensive perifocal swelling edema inevitably lead to elevated intracranial pressure (intracranial hypertension), which translates clinically into headaches, vomiting (sometimes without nausea), altered state of consciousness (somnolence, coma), dilatation of the pupil on the side of the lesion (anisocoria), papilledema (prominent optic disc at the funduscopic examination). However, even small tumors obstructing the passage of cerebrospinal fluid (CSF) may cause early signs of increased intracranial pressure. Increased intracranial pressure may result in herniation (i.e. displacement) of certain parts of the brain, such as the cerebellar tonsils or the temporal uncus, resulting in lethal brainstem compression. In young children, elevated intracranial pressure may cause an increase in the diameter of the skull and bulging of the fontanelles.

A bilateral temporal visual field defect (bitemporal hemianopia—due to compression of the optic chiasm), often associated with endocrine disfunction—either hypopituitarism or hyperproduction of pituitary hormones and hyperprolactinemia is suggestive of a pituitary tumor.

Treatment and prognosis

Many meningiomas, with the exception of some tumors located at the skull base, can be successfully removed surgically. In more difficult cases, stereotactic radiosurgery, such as Gamma knife, Cyberknife or Novalis Tx radiosurgery, remains a viable option^.

Most pituitary adenomas can be removed surgically, often using a minimally invasive approach through the nasal cavity and skull base (trans-nasal, trans-sphenoidal approach). Large pituitary adenomas require a craniotomy (opening of the skull) for their removal. Radiotherapy, including stereotactic approaches, is reserved for the inoperable cases.

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Brain Stem Tumor Operation

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Brain Stem Tumor Operation

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Brain Stem Tumor Operation in sitting position by Prof Nazir Ahmad Lahore Pakistan.

Brain tumors are tumors that grow in the brain. A tumor is an abnormal growth caused by cells reproducing themselves in an uncontrolled manner.

When doctors describe tumors in parts of the body other than the brain, they use the words benign (meaning harmless) or malignant (meaning cancerous). These meanings change, however, when referring to tumors in the brain.

Benign brain tumors:

A benign brain tumor consists of benign (harmless) cells and has distinct boundaries. Surgery alone may cure this type of tumor.

Malignant brain tumors:

A malignant brain tumor is life-threatening. It may be malignant because it consists of cancer cells, or it may be called malignant because of its location. In other words, a brain tumor composed of benign cells–but located in a vital area–is still considered malignant.

A malignant brain tumor made up of cancerous cells may spread or seed (metastasize) to other locations in the brain or spinal cord. It can invade and destroy healthy tissue so it cannot function properly. Malignant tumors grow the way a plant does, with “roots” invading various tissues. Or, they can shed cells that travel to distant parts of the brain. Some cancerous tumors, however, remain localized.

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