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Meninges has meningitis associated with the central nervous system, a diverse range of tumors arising from the membrane layer. They arise from the arachnoid “cap” cells of the arachnoid villi in the meninges. In nature, is usually benign, but a small percentage, these tumors are malignant. Without producing symptoms in the course of your life, it is asymptomatic, meningiomas, many do not require treatment other than observation of regular. Typically, meningiomas, treated with conventional surgery or radiation symptoms. The historical evidence for meningioma, in order to remove the origin of them in 1800, dates back hundreds of years the surgery successful some have been found.

Among the tumors, and meningiomas, and depending on the source, presenting to a as indicated by various names in the older scientific literature. , “Epithelium”, “grain of sand” “fungi in the film hardness” “fungi tumor”, “dura sarcoma”, describing various “dural endothelioma”, “sarcoma”, “hemangioendothelioma”, ” such as meningitis “,” meninges fibroblastoma “,” meningoblastoma “,” mestothelioma meninges “,” sheath sarcoma “endothelial arachnoid fibroboastoma”, “is included. Modern term “meningioma” was used in (1939-1869) Harvey Cushing in 1922 to describe the range of tumors that occur through (the brain and spinal cord) neuraxis first, but another common have. Charles Oberling is subdivided into subtypes on the basis to have identified not only the cell structure, as well as other researchers, some subtypes of 10 types for many years thereafter. Options and three (I tumor grade) variants World Health Organization has classified the subtypes of 7 that was upgraded in 1979, in 2000 (WHO),,, nine low-grade, meninges of Class III and Class II classification system with each of the tumor. Fibrosis mixed Meningotheliomatous or transient (63%) (19%) (13%), and psammomatous subtypes, the most common is (2%).

The earliest evidence of meningioma of the possibility of the skull is located in Germany, it is about 365,000 years old. Possible examples of others are found in the continent of other parts of the world North America, South America, and Africa. When the autopsy Sir Caspar Bonecurtius, Felix Platter (1536-1614) is written record of early what was meningioma from 1600 probably at the University of Basel. Surgery to remove a meningioma is a first attempt in the 18th century and the surgery was successful in first in order to remove the meningioma professor of surgery Zanobi Pecchioli, of the University of Siena is carried out in 1835. (1932-1837) Keene (1924-1848) William McEwen, researchers notable meningioma other was William · W.. Continue to dramatic improvement in the treatment meningioma and research of the last century, tumor resection (removal), and medical science regarding surgical techniques for the improvement associated anesthetic, preservative, in technology for the control of blood loss , it is possible those tumors that are to be determined whether or not active is good.

Reason meningiomas are not well understood. Most cases are sporadic, randomly generated, which is a family some of them. Who suffered a head injury in the time individuals and scalp, given increased risk for the development of meningiomas, especially it is exposed to the irradiation ways. Possible that with increasing frequency, atomic bomb survivors in Hiroshima will develop meningioma is high, they close to the point of explosion. Dental X-ray, X-ray dose of dental X-ray is greater than this, especially for patients who have an image of the tooth often in the past, increasing the risk of meningioma. Patients with type 2 neurofibromatosis (NF-2) has a 50% chance of developing meningiomas (s). The study on the mobile phone, link was not found between the incidence of meningioma and use of mobile phone.

Many people have a meningioma, but it is still (no symptoms) asymptomatic in my life, meningioma was detected after autopsy. 1-2% of all autopsy to clarify the meningioma that was not known to people in life as had no symptoms. In 1970, because the proportion of the total 7.7/100, 000, without causing symptoms occurred in 5.7 100 000, conditions that cause tumor was found in 2 out of the tumor and 100,000 found. Detection of asymptomatic meningiomas was three times the advent of imaging system that sophisticated modern CT and such. The meninges can occur in women than in men increases, possibility is malignant when it occurs in men is high them. The meningioma, the meningioma, there is a possibility that potential associated with aging is becoming high, also occur at any age, but I can be found in men and women over the age of 50 most commonly. At a rate about the same as a possible other brain tumors, they were observed in Eastern culture, Western and all. Ninety-two% of meningiomas are benign, 8% are malignant or atypical.

Most of it is close to the area of ​​the sinus is generated from the arachnoid cells, meningiomas, is the place with the highest incidence of meningioma formation this. Crest of the sphenoid bone, falx cerebri, cerebellopontine angle, they are associated with duration over the cerebellum and spinal cord superior sagittal plane with superior parietal lobe and the frontal lobe most often, in the olfactory channel region of Sylvius. Circle the tumor is usually gray well, it takes the form of a footprint. Usually, lying on top of the shell, the base, they have a dome shape.

Saidokamu rare, is orbit / optic nerve sheath and Magnum hole elsewhere. The meningioma, there is a potential to occur more frequently in Western countries in Asia, more frequently, occur in the spinal cord tumor in women than men.
The Histologically, in the tendency to form grain of sand body and the spiral (laminated lime stone), to surround each other, meningioma cells are relatively uniform. They can have a tendency to calcification, a highly vascular. Meningiomas, are considered benign tumors and can be treated by surgery often, recurrent meningioma most is consistent with the benign tumor histologically. Metabolic phenotype of benign recurrent meningioma out these metabolic active are similar to those seen in atypical meningioma.

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Teratoma is a tumor that is encapsulated with the components of the tissue or organ is similar to the normal derivative of the three germ layers in all. Usually, teratoma tissue, albeit in its own right, well, teratoma, hair, teeth, bone, and very rarely, and more even if very different, and may be quite different from the surrounding tissue eye-hand body, the limbs.Usually other foot, but tissue one or more while found in organs normal brain, thyroid, liver, and lung may include processes and complex body and has been reported , malformation body is not included. Sometimes, there is a teratoma in cyst fluid filled more than the capsule 1, when a large cyst occurs, there is a possibility of receiving structure cystic teratomas, such as a fruit. Several types of malignant teratomas are known, and have been in of a common form teratomas some of them, but they usually teratomas are encapsulated benign. Teratoma seen more often in women and typically benign, mature more common in men with malignant common as immature teratoma.

Teratoma is currently considered at birth, small is detected in life often much later. The definitive diagnosis of medical teratoma, this diagnosis is performed by a pathologist based on their histology. There In the terminology of the United States and the United Kingdom have a few differences, the words “teratoma” “tumor malformation mature” and (term of USA) (term in the UK), the word “teratoma” benign and it is (UK terminology) “tumor malformations immature” cancer can be used to indicate to refer to the can. It can be determined whether the use of the terms in the UK and U.S. are important. The term “malignant teratoma” is used as a synonym for non-seminoma germ cell tumor in some cases.

Teratomas belongs to a class of tumor known as (NSGCT) non-seminoma germ cell tumor. Embryonic cells and germ cells: all tumors of this class is the result of abnormal development of pluripotent cells. Malformations of the embryo is a congenital, or, malformations of germ cell origin (not known) it may be innate. Type of pluripotent cells is not important to the position of the body of the malformation, but I suspect the limit. Teratomas are derived from germ cells found in the testes in men and ovarian cancer in women. Some of the nose, the display, the display, neck (cervical teratoma), mediastinum, the retroperitoneum, and the accompanying brain, to other parts of the skull: Normal, teratoma of germ cell from the center of the object to occur in the coccyx line.

However, teratoma, hollow organ (eg, bladder and stomach), frequently of cranial sutures and more and (especially liver and heart) solid organ can not occur at the site of the rare very different. Mature teratoma is 0 teratoma degree. Different and are very in histology mature teratomas, and forms, it may be a combination of cysts and solid or cystic. Often, mature teratoma, which contains several different types of skin tissue, muscle, and bone. Skin can be (see dermoid cyst) surrounding the cyst to grow a thick coat. Benign general, mature teratoma of malignant, there are several different types mature teratoma. Dermoid cyst is a structure of other features of the organization and other ectodermal origin and normal skin (sometimes very large) hair, including mature cystic teratoma. This term is applied to women and Ovarian teratoma of the suture of the skull most frequently.

including one or more components resembling a fetus fetus is wrong fetiform malformations fetu, which is a rare form of mature teratoma. It may seem that most of the full body organ systems, such as the limbs and torso, as if they were in or are included in the form of either. It is different from the fetiform teratoma fetus to have a symmetry between the two countries and spine clearly in fetu. You agree to malformations of fetiform is developing the advanced mature teratoma, the natural history of fetus in fetu, however, there is room for discussion of most authorities. In addition, cultural differences fetal and has been reported more often in retroperitoneal teratoma teratoma of fetiform (by general surgeon) have been reported more frequently in ovarian teratoma in fetu (by Department of Obstetrics and Gynecology) it might be. fetus often, it will be interpreted as a fetus growing within its twin in fetu. Thus, the grouped special complications twinning, under the long-term parasitic twin This interpretation assumes some one. Taking up the cyst filled with liquid adults teratoma.Cysts that in this context, the fetus may develop systems and organs partially mature teratoma in fetu in many cases have been reported should be noted that, the report, a simple pulse of heart skull, including the case of the part, and long bone. fetus is whether or not you have one or two people in the teratoma and fetiform fetu, they are not independent and be confused with ectopic pregnancy.

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In addition, leiomyosarcoma is a cancer (G “smooth muscle tumor connective tissue”), malignant smooth muscle known as the LMS. (If the tumor is benign, it is leiomyoma). It is a relatively rare type leiomyosarcoma, cancer itself is between 5 to 10 percent of relatively low soft tissue sarcoma. You can not be predicted very leiomyosarcoma. They can remain dormant state for a long period of time, many years after repeated. It is resistant to cancer means that usually, it is not very sensitive to radiation therapy and chemotherapy. While to generate an involuntary that situ.Smooth muscle cells are disposed to most parts of the body to obtain the best results, a still small, surgically removed by a wide range of fields earlier it uterus that occurs when it is possible, the wall of the stomach and intestines skin, blood vessels and all. Therefore, it is possible to display anywhere within (including chest) leiomyosarcoma body are possible, it most in the retroperitoneal uterus, stomach, and small intestine.

Leiomyosarcoma of the uterus comes from the muscle layer of the uterus smooth muscle. Cutaneous leiomyosarcoma, chick skin – generated from muscle builder. The leiomyosarcoma of gastrointestinal, or by blood vessels, there is a possibility or come from the smooth muscle of the gastrointestinal tract. (Behind abdomen, intestinal), trunk, and in the abdominal retroperitoneal end, leiomyosarcoma is to grow muscle layer of blood vessels (medial) to most places in the other. So, where the blood vessels in the body leiomyosarcoma, may be the major site of origin. Grossly, the tumor mark microscope by coagulation necrosis of tumor cells usually, rich polymorphism is a mild bleeding, (power sector 15-30 10) and abnormal mitotic figures.

Surgery, is possible removal of the margin of the maximum possible, but it is a method generally preferred most effective attack LMS. If surgical margin is narrow and it is not clear to the tumor, however, in some situations that are left behind, giving a clear survival benefit has been shown to radiation or chemotherapy to tumor cells. While there are likely to be resistant to chemotherapy and radiation, each event is different, LMS, can result is greatly changed. LMS uterus origin often do, but do not respond to hormone therapy at all times. Should be discussed with your doctor (S) always, to some supplements, may interfere with the treatment, such as chemotherapy (such as over-the-counter supplements, for example) how to add. In the oral tablet formulation called methotrexate therapy Independently, one embodiment of an adjuvant drug, shows, positive results, including a longer period of non-occurrence. When it is used in combination with the core after radiotherapy or chemotherapy, or in, many experts have provided promising results. I belong to the group of cancer called leiomyosarcoma, and soft tissue sarcoma. Or cancer, the development of the support, sarcoma is the connective tissue of the body, such as cartilage muscle, fat, nerves, blood vessels, and bone. Soft tissue sarcoma is rare. 1 (1%) of the approximately 100 in all cancers are sarcomas of soft tissue. Most people with leiomyosarcoma is 50 years of age or older.

It is one of the most common types of development leiomyosarcoma, sarcoma in adults. They will start the cell types of muscle called smooth muscle. Smooth muscle is an involuntary muscle that you will not be able to control us. These are located as well as the walls of the blood vessels throughout the body, on the wall of the organ of muscle, such as the heart and stomach. This means that you can leiomyosarcoma start anywhere on the body. Common location is the digestive system wall of the uterus (womb), and limb – especially stomach.

Research is in progress to try to find out more about them as possible exact cause of leiomyosarcoma, and is unknown. Very rarely, soft tissue sarcoma may not occur in an area that has been treated with radiation therapy for other cancers. Usually, sarcoma does not occur until about 10 years after radiotherapy. Exposure to certain chemicals, can increase the risk of developing some sarcomas. Chemical, includes dioxins and (weedkillers) (used in the manufacture of plastic) vinyl chloride, a particular herbicide.