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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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Healthy Minnesota Food

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Healthy Minnesota Food

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Profile of Barth Anderson who purchases produce from local farmers for The Wedge Food Coop in Minneapolis, Minnesota.

Minnesota is a state in the Midwestern region of the United States. The twelfth largest state by area in the U.S., it is the twenty-first most populous, with just over five million residents. Minnesota was carved out of the eastern half of the Minnesota Territory and admitted to the Union as the thirty-second state on May 11, 1858. Known as the “Land of 10,000 Lakes”, the state’s name comes from a Dakota word for “sky-tinted water”. Those waters, together with forests, parks, and wilderness areas, offer residents and tourists a variety of outdoor recreational opportunities.

Etymology

The word Minnesota comes from the Dakota name for the Minnesota River: Mnisota. The root Mni (also spelled mini or minne) means, “water”. Mnisota can be translated as sky-tinted water or somewhat clouded water. Native Americans demonstrated the name to early settlers by dropping milk into water and calling it mnisota. Many locations in the state have similar names, such as Minnehaha Falls (“waterfall”), Minneiska (“white water”), Minnetonka (“big water”), Minnetrista (“crooked water”), and Minneapolis, which is a combination of mni and polis, the Greek word for “city”

Health

The people of Minnesota have a high rate of participation in outdoor activities; the state is ranked first in the percentage of residents who engage in regular exercise Minnesotans have the nation’s lowest premature death rate, third-lowest infant mortality rate, and the second-longest life expectancies. According to the U.S. Census Bureau, 91% of Minnesotans have health insurance, more than in any other state. These and other measures have led two groups to rank Minnesota as the fourth-healthiest state in the nation.

On October 1, 2007 Minnesota became the seventeenth state to enact a statewide smoking ban in restaurants and bars with the enactment of Freedom to Breathe Act.

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Plastic Surgery

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Plastic Surgery

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Plastic surgery is a medical specialty concerned with the correction or restoration of form and function. While famous for aesthetic surgery, plastic surgery also includes two main fields: plastic and reconstructive surgery. The word “plastic” derives from the Greek plastikos meaning to mold or to shape; its use here is not connected with the synthetic polymer material known as plastic.

Plastic surgery sub-specialities

Plastic surgery is a broad field, and may be subdivided further. Plastic surgery training and approval by the American Board of Plastic Surgery includes mastery of the following as well.

Craniofacial surgery is divided into pediatric and adult craniofacial surgery. Pediatric craniofacial surgery mostly revolves around the treatment of congenital anomalies of the craniofacial skeleton and soft tissues, such as cleft lip and palate, craniosynostosis, and pediatric fractures. Because these children have multiple issues, the best approach to providing care to them is an interdisciplinary approach which also includes otolaryngologists, oral and maxillofacial surgeons, speech therapists, occupational therapists and geneticists. Adult craniofacial surgery deals mostly with fractures and secondary surgeries (such as orbital reconstruction) along with orthognathic surgery. Craniofacial surgery is an integral part of all plastic surgery training programs, and further training is frequently obtained via a craniofacial fellowship for additional expertise.

Hand surgery is concerned with acute injuries and chronic diseases of the hand and wrist, correction of congenital malformations of the upper extremities, and peripheral nerve problems (such as brachial plexus injuries or carpal tunnel syndrome). Hand surgery is an important part of training in plastic surgery, as well as microsurgery, which is necessary to replant an amputated extremity. Most Hand surgeons will opt to complete a fellowship in Hand Surgery. The Hand surgery field is also practiced by orthopedic surgeons and general surgeons (see Hand surgeon).

Cosmetic or Aesthetic Surgery

Aesthetic Surgery involves techniques intended for the “enhancement” of appearance through surgical and medical techniques, and is specifically concerned with maintaining normal appearance, restoring it, or enhancing it beyond the average level toward some aesthetic ideal.

In 2006, nearly 11 million cosmetic surgeries were performed in the United States alone. The number of cosmetic sprocedures performed in the United States has increased over 50 percent since the start of the century. Nearly 12 million cosmetic surgeries were performed in 2007, with the five most common being breast augmentation, liposuction, nasal surgery, eyelid surgery and abdominoplasty. The increased use of cosmetic surgery crosses racial and ethnic lines in the U.S., with increases seen among African-Americans and Hispanic Americans as well as Caucasian Americans. In Europe, the second largest market for cosmetic procedures, cosmetic surgery is a $2.2 billion business.

The most prevalent aesthetic/cosmetic procedures are listed below. Most of these types of surgery are more commonly known by their “common names.” These are also listed when pertinent.

Abdominoplasty (or “tummy tuck”): reshaping and firming of the abdome.

Blepharoplasty (or “eyelid surgery”): Reshaping of the eyelids or the application of permanent eyeliner, including Asian blepharoplasty

Mammoplast

Breast augmentation (“breast enlargement” or “boob job”): Augmentation of the breasts. This can involve either fat grafting, saline or silicone gel prosthetics. Initially performed to women with micromastia.

Breast reduction: Removal of skin and glandular tissue. Indicated to reduce back and shoulder pain in women with gigantomastia and/or for psychological benefit in women with gigantomastia/macromastia and men with gynecomastia.

Breast lift (Mastopexy): Lifting or reshaping of breasts to make them less saggy, often after weight loss (after a pregnancy, for example). It involves removal of breast skin as opposed to glandular tissue or scarless Serdev suture technique .

Plastic surgery sub-specialities

Plastic surgery is a broad field, and may be subdivided further. Plastic surgery training and approval by the American Board of Plastic Surgery includes mastery of the following as well.

Craniofacial surgery is divided into pediatric and adult craniofacial surgery. Pediatric craniofacial surgery mostly revolves around the treatment of congenital anomalies of the craniofacial skeleton and soft tissues, such as cleft lip and palate, craniosynostosis, and pediatric fractures. Because these children have multiple issues, the best approach to providing care to them is an interdisciplinary approach which also includes otolaryngologists, oral and maxillofacial surgeons, speech therapists, occupational therapists and geneticists. Adult craniofacial surgery deals mostly with fractures and secondary surgeries (such as orbital reconstruction) along with orthognathic surgery. Craniofacial surgery is an integral part of all plastic surgery training programs, and further training is frequently obtained via a craniofacial fellowship for additional expertise.

Hand surgery is concerned with acute injuries and chronic diseases of the hand and wrist, correction of congenital malformations of the upper extremities, and peripheral nerve problems (such as brachial plexus injuries or carpal tunnel syndrome). Hand surgery is an important part of training in plastic surgery, as well as microsurgery, which is necessary to replant an amputated extremity. Most Hand surgeons will opt to complete a fellowship in Hand Surgery. The Hand surgery field is also practiced by orthopedic surgeons and general surgeons (see Hand surgeon).

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