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	Brain tumor - Wikipedia, the free encyclopedia
		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.
		medulloblastoma, medulloepithelioma, neuroblastoma, retinoblastoma, ependymoblastoma), tumors of the pineal parenchyma (e.g.
		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).
	en.wikipedia.org /wiki/Brain_tumor (1431 words)

	National Brain Tumor Foundation (Site not responding. Last check: 2007-10-17)
		Pathologists classify primary brain tumors into two groups: the gliomas, composed of "glial" cells that invade the neural tissue surrounding them; and the nonglial tumors, which are not composed of glial cells and compress, rather than invade, the neighboring brain tissue as they grow.
		Some primary brain tumors are called benign because their rate of growth is so slow that many years may pass before the tumor grows large enough to compress functional areas of the brain, causing symptoms that require treatment.
		A new tumor that grows in the same place as the original one is also called a "recurrent" tumor because it is difficult, often impossible, to distinguish its cells from the cells of the original tumor.
	www.braintumor.org /patient_info/surviving/faq (2346 words)

	MedlinePlus Medical Encyclopedia: Brain tumor - children
		Tumors may be confined to a small area, invasive (spread to nearby areas), benign (not cancerous), or malignant (cancerous).
		The cause of primary brain tumors is unknown.
		Tumors that are deep or that infiltrate brain tissue may be debulked (reducing the tumor's size and mass) rather than removed.
	www.nlm.nih.gov /medlineplus/ency/article/000768.htm (1183 words)

	Primary brain tumor (Disease) - Southwest Washington Medical Center
		Tumors may be localized to a small area, invasive (spread to nearby areas), benign (noncancerous) or malignant (cancerous).
		Examination of tissue removed from the tumor during surgery or CT scan-guided biopsy is used to confirm the exact type of tumor.
		Tumors that are deep or that infiltrate brain tissue, may be debulked (removal of much of the mass of the tumor to reduce its size) rather than removed.
	www.swmedicalcenter.com /14011.cfm (1289 words)

	Neck Cancer, Metastatic Squamous with Occult Primary
		Primary tumors cryptically arising in the nasopharynx may be secondary to Epstein-Barr Virus (EBV) infection, and EBV genomic material may be detectable in cervical nodal tissue after DNA amplification using the polymerase chain reaction.
		For instance, for well or moderately differentiated tumors, the pathologic diagnosis of an epithelial cancer is often readily apparent, in contrast to lymphoma, sarcoma, melanoma, or a germ cell tumor.
		The presence of EBV in metastases from an occult primary tumor suggests the development of overt nasopharyngeal carcinoma.[3] Acinar spaces and microacini are seen with adenocarcinomas.
	www.medhelp.org /lib/cancernet/101454.htm (1754 words)

	Welcome to the Brain Tumor Foundation
		Metastatic tumors are as malignant as the cancerous primary tumor from which it came.
		In addition, if the metastatic tumor is located in an important part of the brain, the surrounding edema can impair the normal functioning of the brain and neurological deficit such as weakness of face, arm or leg, trouble with speech or problems with walking, balance, memory or thinking.
		Tumors of the posterior fossa (in the cerebellum) are especially dangerous since the posterior fossa is small and obstruction of the spinal fluid pathways usually occurs early.
	www.braintumorfoundation.org /tumors/metastatic.htm (1473 words)

	Brain tumor
		A brain tumor is a mass or growth of abnormal cells in the brain.
		Tumors in the brain typically are categorized as primary or secondary.
		Primary brain tumors originate in the brain or close to it, such as in the skull, brain membranes (meninges), cranial nerves, or pituitary or pineal gland.
	www.cnn.com /HEALTH/library/DS/00281.html (2887 words)

	Metastatic Cancer: Questions and Answers, Cancer Facts 6.20 (Site not responding. Last check: 2007-10-17)
		Tumor cells may be found in the blood, several lymph nodes, or other parts of the body such as the liver or bones.
		To determine whether a tumor is primary or metastatic, a pathologist examines a sample of the tumor under a microscope.
		Doctors refer to the primary tumor as unknown or occult (hidden), and the patient is said to have cancer of unknown primary origin (CUP).
	cis.nci.nih.gov /fact/6_20.htm (1332 words)

	► Primary brain tumor
		Primary brain tumor is a mass created by growth of abnormal cells or uncontrolled proliferation of cells in the brain.
		Childhood nervous system tumors are classified as infratentorial (located below the tentorium cerebelli) meaning they are in the posterior third of the brain, or as supratentorial meaning they are within the anterior two-thirds of the brain.
		The cause of primary brain tumor is unknown.
	www.umm.edu /ency/article/000768.htm (798 words)

	Expression of nm23 in the Primary Tumor and the Metastatic Regional Lymph Nodes of Patients with Gastric Cardiac Cancer ...
		Expression of nm23 in the Primary Tumor and the Metastatic Regional Lymph Nodes of Patients with Gastric Cardiac Cancer -- Hsu et al.
		Expression of nm23 in the Primary Tumor and the Metastatic Regional Lymph Nodes of Patients with Gastric Cardiac Cancer
		tumor recurrence and distant metastasis (8, 9, 10, 11, 12).
	clincancerres.aacrjournals.org /cgi/content/full/5/7/1752 (2327 words)

	[No title]
		For example, a tumor originating in the breast upper inner quadrant (C50.2) that has grown into the lower inner quadrant (C50.3) is assigned to the point of origin, C502; a tumor overlapping those two subsites whose exact origin is not determined would be assigned to C508.
		Subareolar / Retroareolar Tumors: Code to central portion of breast (C501) to indicate that the tumor arose in tissue beneath the nipple and not in the nipple (C50.0) itself.
		The general location of a tumor may be described rather than the specific type of tissue in which it arose, and sometimes a primary site must be inferred from information in the record.
	www.mass.gov /dph/bhsre/mcr/code3/tumor.doc (6507 words)

	Lung Cancer Staging - Tumor Stage - primary tumor, atelectasis
		The tumor stage or T stage is used to describe the size and location of the primary (or main) tumor in the lungs.
		Tumor is either more than 3 cm or is found in parts of the lung, such as the main bronchus or visceral pleura, or causes atelectasis or obstructive pneumonitis in a part of the lung
		Primary tumor cannot be evaluated or was only proven by a positive sputum cytology but not visualized by imaging or broncoscopy
	www.lungcancerinfo.net /content/staging/tumor (203 words)

	Discordance Between K-ras Mutations in Bone Marrow Micrometastases and the Primary Tumor in Colorectal Cancer -- ...
		with the primary tumor, the proportion of mutations in codon
		in the primary tumor, the relative abundance of the mutated
		are not derived from the main population of the primary tumor.
	www.jco.org /cgi/content/full/19/11/2837 (4043 words)

	PRIMARY BRAIN TUMOR (Site not responding. Last check: 2007-10-17)
		May be subdivided into primary brain tumors and the more common, secondary brain tumors.
		Secondary brain tumors occur from the spread of cancer into the brain from a distant cancerous organ (metastasis).
		Common symptoms of a brain tumor include headache, nausea, vomiting, seizures, change in mentation, neurologic symptoms and loss of memory.
	www.medhelp.org /glossary2/new/gls_3792.htm (108 words)

	Carcinoma of unknown primary: Treatment - Health Professional Information [NCI PDQ] -- Cellular Classification
		For well- or moderately differentiated tumors, the pathologic diagnosis of an epithelial cancer versus lymphoma, sarcoma, melanoma, or a germ cell tumor, for instance, is often readily apparent.
		The presence of EBV in metastases from an occult primary tumor suggests the development of overt nasopharyngeal carcinoma.[9] A single study has shown that the i(12p) marker chromosome may be used as a diagnostic tool in patients with suspected midline germ cell tumors.[10]
		It is estimated that EM may aid in distinguishing a primary diagnosis that has not been obtained by light microscopy approximately 10% of the time.[12,13,14] Due to the development of immunohistochemical stains, EM is rarely needed.
	my.webmd.com /hw/cancer/ncicdr0000062936-cellular-classification.asp (978 words)

	CHEST: Metastatic squamous cell carcinoma of the mediastinum with unknown primary tumor (Site not responding. Last check: 2007-10-17)
		The evaluation of a case of a patient with a posterior mediastinal mass, eventually shown to be metastatic squamous cell carcinoma of the mediastinum with unknown primary tumor, is described herein.
		Metastatic squamous cell carcinoma with an unknown primary tumor is a rare occurrence reported only in a handful of case reports.[1,2] These reports usually describe patients with involved cervical lymph nodes and presumed head and neck squamous cell carcinoma.
		His primary tumor focus remains a mystery and is a rare example of unknown primary squamous carcinoma.
	www.findarticles.com /p/articles/mi_m0984/is_n3_v114/ai_21195543 (1127 words)

	Irradiation of a Primary Tumor, Unlike Surgical Removal, Enhances Angiogenesis Suppression at a Distal Site: Potential ...
		primary tumor and that serve to inhibit the growth of distal
		a primary tumor on the suppression of angiogenesis at a secondary
		FSA-II tumor growing in the leg slowed angiogenesis in the cranial window, and there was further slowing after irradiation of the tumor.
	cancerres.aacrjournals.org /cgi/content/full/60/8/2128 (3704 words)

	ANNALS Aug2000: USE OF A COINCIDENCE GAMMA CAMERA TO DETECT PRIMARY TUMOR WITH . . . (Site not responding. Last check: 2007-10-17)
		From 60 patients with untreated head and neck squamous cell carcinoma, we selected 4 in whom no evidence of the primary#s origin was found by the conventional methods used for the evaluation of head and neck tumors.
		In addition, FDG-CDET located the primary tumor in 3 of the 4 patients, and the tumors were confirmed with histopathologic findings.
		FDG tomography performed on a coincidence gamma camera appears to be a successful new tool in detecting occult primary tumors in head and neck carcinoma, and is useful in guiding endoscopic biopsies.
	www.annals.com /abs/annals565.htm (195 words)

	SSAT - 1999 Abstract: 2082 PRIMARY TUMOR RESPONSE TO PREOPERATIVE CHEMORADIATION DOES NOT INSURE THE ABSENCE OF ... (Site not responding. Last check: 2007-10-17)
		The pathologic response of the primary to chemoradiation is well documented; however, the extent of residual nodal disease is unknown.
		Of patients with a complete pathologic response of the primary, 2 of 25 (8%) had pathologic lymph nodes remaining within the mesorectum, and 6 of 34(18%) patients with less than full thickness involvement of the bowel wall had identifiable lymph node metastases.
		Conclusion: Failure of the primary tumor to respond to preoperative therapy predicts the presence of residual lymph node metastases: however, the degree of response at the primary site does not accurately predict the absence of nodal metastases after preoperative chemoradiation of T3 and T4 rectal cancer.
	www.ssat.com /cgi-bin/abstracts/99ddw/ddw14.cgi?affiliation=other (498 words)

	Prostate Cancer Staging - TNM staging - bone metastases
		Tumor identified at needle biopsy performed to investigate PSA elevation.
		Tumor extends beyond prostate capsule, either on one side (unilaterally) or both sides (bilaterally).
		Tumor is fixed or invades adjacent anatomy other than seminal vesicles: bladder neck, external sphincter, rectum, levator muscles, and/or pelvic wall.
	www.prostateinfo.com /patient/treatment/tnm.asp (321 words)

	Primary tumor has disappeared but cancer had already metastasized to the brain
		Primary tumor has disappeared but cancer had already metastasized to the brain
		Her most recent scans showed that the tumor in her lung has now disappeared.
		Primary tumor has disappeared but cancer had already metastasize
	www.talkaboutsupport.com /group/alt.support.cancer/messages/90255.html (211 words)

	Bax Expression Decreases Significantly From Primary Tumor to Metastasis in Colorectal Cancer -- Jansson and Sun 20 (3): ...
		to primary tumor and to metastases in colorectal cancer patient.
		Bax immunostaining was observed in the cytoplasm in 132 of 135
		Bax expression from primary tumors to the corresponding metastases
	www.jco.org /cgi/content/full/20/3/811 (3200 words)

	News & Headlines: Overexpression of p53 In Distant Tissues Predicts Second Primary Tumor
		Second primary carcinoma is distinct from recurrence of the primary tumor and is peculiar to head and neck cancer, said N. Homann and colleagues at the University of Heidelburg.
		Homann and team observed overexpression of p53 in the epithelia for 46.7% of patients, and it was independent of p53 expression in the primary tumor, and of the tumor site, stage, size, and grade.
		p53 overexpression in these mucosa, but not in the primary tumors, was significantly associated with an increased incidence of second primary carcinomas, the researchers reported ("Overexpression of p53 in tumor-distant epithelia of head and neck cancer patients is associated with an increased incidence of second primary carcinoma," Clinical Cancer Research, 2001;7(2):290-296.
	www.otohns.net /?id=7184 (481 words)

	A Primary Tumor Promotes Dormancy of Solitary Tumor Cells before Inhibiting Angiogenesis -- Guba et al. 61 (14): 5575 ...
		A Primary Tumor Promotes Dormancy of Solitary Tumor Cells before Inhibiting Angiogenesis -- Guba et al.
		development of tumor angiogenesis in a dorsal skin-fold chamber.
		In contrast, in the absence of a primary tumor, GFP-expressing
	cancerres.aacrjournals.org /cgi/content/abstract/61/14/5575 (639 words)

	Neurology -- Collected Resources : Primary brain tumor
		Primary CNS lymphoma complicating treatment of myasthenia gravis with mycophenolate mofetil
		Epileptic seizures during follow-up of patients treated for primary brain tumors
		MRS of oligodendroglial tumors: Correlation with histopathology and genetic subtypes
	www.neurology.org /cgi/collection/primary_brain_tumor (244 words)

	AllRefer Health - Primary Brain Tumor (Astrocytoma, Brain Tumor - Primary, Cancer - Brain Tumor (Primary), Ependymoma, ...
		AllRefer Health - Primary Brain Tumor (Astrocytoma, Brain Tumor - Primary, Cancer - Brain Tumor (Primary), Ependymoma, Glioblastoma Multiforme, Glioma, Medulloblastoma, Meningioma, Neuroglioma, Oligodendroglioma)
		Alternate Names : Astrocytoma, Brain Tumor - Primary, Cancer - Brain Tumor (Primary), Ependymoma, Glioblastoma Multiforme, Glioma, Medulloblastoma, Meningioma, Neuroglioma, Oligodendroglioma
		Primary Brain Tumor Overview, Causes, and Risk Factors
	health.allrefer.com /health/primary-brain-tumor-info.html (1005 words)

	AllRefer Health - Primary Brain Tumor Symptoms & Signs (Astrocytoma, Brain Tumor - Primary, Cancer - Brain Tumor ...
		AllRefer Health - Primary Brain Tumor Symptoms and Signs (Astrocytoma, Brain Tumor - Primary, Cancer - Brain Tumor (Primary), Ependymoma, Glioblastoma Multiforme, Glioma, Medulloblastoma, Meningioma, Neuroglioma, Oligodendroglioma)
		You are here : AllRefer.com > Health > Diseases and Conditions > Primary Brain Tumor: Symptoms of Primary Brain Tumor
		• Primary Brain Tumor Overview, Causes, and Risk Factors
	health.allrefer.com /health/primary-brain-tumor-symptoms.html (309 words)

	Tumor, primary definition - Medical Dictionary definitions of popular medical terms
		Tumor, primary definition - Medical Dictionary definitions of popular medical terms
		MedicineNet Home > MedTerms medical dictionary A-Z List > Tumor, primary
		Please consult your healthcare provider before beginning any course of supplementation or treatment.
	www.medterms.com /script/main/art.asp?articlekey=38748 (125 words)

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