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Topic: Benign tumor


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In the News (Sat 22 Nov 08)

  
  Benign tumor - WrongDiagnosis.com
A benign tumor is one that does not spread or "metastasize" to other parts of the body; a "malignant tumor" is one that does.
A benign tumor is caused by cell overgrowth, and thus is different from a cyst or an abcess,
A benign tumor may still grow, and this growth may cause damage to any organs, tissues, or nerves in its vicinity.
www.wrongdiagnosis.com /b/benign/intro.htm   (573 words)

  
  Benign lymphoepithelial tumor of the skin
"Benign lymphoepithelial tumor of the skin" or "cutaneous lymphadenoma" is a distinctive benign adnexal tumor presenting a characteristic combination of lobules of epithelial basaloid cells with a peculiar histopathological pattern and a dense intraepithelial T-cell lymphoid and histiocytic population.
"Benign cutaneous lymphoepithelial tumor of the skin"[1] or "cutaneous lymphadenoma"[2] is a rare benign adnexal tumor characterized by a peculiar pattern of lobules of epithelial basaloid cells admixed with a dense lymphocytic and histiocytic intraepithelial cell population.
Lymphoepithelial tumor of the skin[1] was originally described in 1987 by Santa Cruz and Barr as a new adnexal tumor characterized by a dual cellular component of epithelial and lymphoid cells.
dermatology.cdlib.org /DOJvol5num1/original/linfaden.html   (1348 words)

  
 Benign Tumor - Search Results - MSN Encarta
Benign Tumor, mass of tissue that, like a malignant (cancerous) tumor, has developed from cells that have multiplied and grown abnormally.
A fetus is a benign tumor, a vampire who steals in order to live.
A benign tumor is a tumor that lacks all three of the malignant properties of a cancer.
encarta.msn.com /Benign_Tumor.html   (182 words)

  
 NWH Gamma Knife Center | CONDITIONS TREATED | Benign Tumors
Benign tumors differ from malignant brain tumors in that they grow slowly and may be present for many years before the patient develops any symptoms.
A brain tumor is a mass of tissue formed by cells that multiply without restraint and don’t follow the control mechanisms of normal cells.
But in effect, even tumors thought to be benign may cause neurological injury or death because of their expansion and the resulting compression of the brain inside the skull.
www.nwhgammaknife.com /gamma/cond_tumor_benign.asp   (317 words)

  
 Elekta | Brain tumours dictionary, cancer tumour glossary, common medical terms, tumour treatment options explanations
Benign tumor arising from the supporting cells of the 8th cranial nerve.
The beam is therefore useful for treating shallow tumors and tumors in the head and neck where control of depth is essential.
Benign tumor arising from the intermediate covering layer of the brain (arachnoid) and from the pia along the spinal chord.
www.elekta.com /patient_international_medical_terms.php   (1701 words)

  
 Back.com - Causes - Tumors - Benign
Doctors use the term "benign" to indicate that a particular tumor or a cancer is usually easy to control and that the patient is unlikely to die from this type of cancer.
This is a benign (meaning relatively well-behaved and easy to treat) type of a cancer that has a unique tendency to affect the posterior part of the vertebra during adolescence.
ABC's are uncommon benign tumors that may affect the posterior elements of the spine or the vertebral body itself.
www.back.com /causes-tumors-benign.html   (908 words)

  
 Brain Tumor, Gamma Knife, Stereotactic Radiosurgery
Benign brain tumors are usually slow growing and have distinct borders and a normal appearance under a microscope.
A benign tumor may be considered malignant if it is located in a critical area of the brain or its size is life-threatening.
Tumors are graded on their mitotic index (growth rate), vascularity (blood supply), presence of a necrotic (dead cells) center, invasive potential (border distinctness) and similarity to normal cells.
www.irsa.org /brain_tumors.html   (720 words)

  
 Brain tumor
MDL tumors usually originate in the cerebellum (the part of the brain that controls coordination and some muscle activity), and are often carried to other parts of the brain by cerebrospinal fluid.
These benign tumors are twice as common in women as in men, and are most often diagnosed in patients between the ages 30-60.
Brain tumors that occur in children are described as supratentorial (in the upper part of the brain) or infratentorial (in the lowest part of the brain).
www.lifesteps.com /gm/Atoz/ency/brain_tumor_pr.jsp   (3294 words)

  
 LIGHTHOUSE SOS - IOWABTS   (Site not responding. Last check: )
A primary brain tumor is an abnormal mass of tissue in which the cells grow and multiply without restraint, apparently unregulated by the body’s mechanisms that control normal cells.
While such a tumor may be called "benign" because of its slow growth or lack of cancerous nature, the situation is far from its definition of possessing a gentle disposition; gracious; showing kindness and gentleness; favorable; wholesome; of a mild type or character that does not threaten health or life; having no significant effect; harmless.
In summary, benign tumors pose a life-threatening condition due to mere location in the brain or spinal cord, and are therefore malignant by definition.
www.lighthousesos.org /benigntumor.html   (582 words)

  
 Tumor Information on Healthline
For example, lung tumors may cause coughing, shortness of breath, or chest pain, while tumors of the colon can cause weight loss, diarrhea, constipation, iron deficiency anemia, and blood in the stool.
If the tumor is benign (meaning it has no potential to spread) and is located in a "safe" area where it will not cause symptoms or disturb the proper functioning of the organ, sometimes no treatment is needed.
Benign tumors of the brain may be removed because of their location or harmful effect on the surrounding normal brain tissue.
www.healthline.com /adamcontent/tumor   (711 words)

  
 Benign Ear Cyst or Tumor
For the individual who has a benign ear tumor, if it is behind the tympanic membrane the main symptom would be hearing loss as it began to impair eardrum or middle ear bone function.
If the tumor is in the ear canal, hearing loss is a common symptom, but these individuals might also have difficulties with frequent infections of the skin in the outer ear canal (acute otitis externa).
If benign tumors are removed from the eardrum or the middle ear space, the ear canal is often packed with dissolvable materials and ointments.
www.drlouryent.com /Pages/PatientServices/1037.html   (1992 words)

  
 Tumor - Benign and malignant tumors
A benign tumor is a well-defined growth with smooth boundaries that simply grows in diameter.
However, it is difficult to determine whether a tumor is benign or malignant without surgically removing a sample of it and studying the tissue under the microscope.
A tumor growing in an unreachable area of the body can be treated using radiation (by which the patient is administered radioactive substances that target a specific area and destroy cells there).
www.scienceclarified.com /Ti-Vi/Tumor.html   (560 words)

  
 Benign Tumor
Benign Tumor What is the difference between a benign brain tumor and a malignant (cancerous) brain...
benign tumor   one lacking the properties of invasion and metastasis and showing a lesser degree of anaplasia than do malignant tumors; it is usually surrounded by a fibrous capsule.
Acoustic neurinoma – Benign tumor occurring in the 8th cranial nerve (the acoustic nerve) between the pons and the cerebellum.
www.cdmarket.com.cn /benigntumor-8011.htm   (294 words)

  
 Benign tumor - Dictionary Definition and Meaning of Benign tumor
Encysted tumor, a tumor which is inclosed in a membrane called a cyst, connected with the surrounding parts by the neighboring cellular substance.
Innocent tumor, or Benign tumor, one which does not of itself threaten life, and does not usually tend to recur after extirpation.
Malignant tumor, a tumor which tends continually to spread, to become generalized in different parts of the body, and to recur after extirpation, and which, if left to itself, causes death.
www.wordiq.com /define/Benign_tumor   (233 words)

  
 Benign Tumor And Breast
Phyllodes tumor is a very rare type of tumor that forms in the connective tissue of the breast and is usually benign, although there are rare instances of malignancy.
adenomatoid odontogenic tumor   a benign odontogenic tumor with ductlike or glandlike arrangements of...
This benign tumor coexists with breast carcinoma in 16% of patients.
www.infoserve.com.tw /benigntumorandbreast-7899.html   (299 words)

  
 Spinal tumor - CNN.com
But sometimes the cause may be a spinal tumor — a cancerous or noncancerous growth that develops within or near the spinal cord or in the bones of the spine.
Benign tumors such as osteoid osteomas, osteoblastomas and hemangiomas also can develop in the bones of the spine where they may cause long-standing pain, spinal curvature (scoliosis) and neurological problems.
Intramedullary tumors can be either benign or malignant and, depending on their location, may cause numbness, loss of feeling, or changes in bowel and bladder function.
www.cnn.com /HEALTH/library/DS/00594.html   (2414 words)

  
 Tumor
In general, tumors appear to occur when there is a problem with the dividing of cells in the body.
Some tumors are more common in one sex than the other, some are more common among children or the elderly, and some vary with diet, environment, and your family history.
When a tumor is found, a biopsy is performed to determine if the tumor is benign or malignant.
www.pennhealth.com /ency/article/001310.htm   (864 words)

  
 Tumors and Cysts: Images
It is composed of dense bone, and is a benign tumor.
Projecting from the proximal portion of the anterior lateral surface of the humerus is a tumor composed of cancellous bone, an osteochondroma.
Structurally the tumor is stable throughout, and appears benign.
www.usd.edu /~archlab/paleopics/tumor.html   (627 words)

  
 eMedicine - Benign Lung Tumors : Article Excerpt by Dale K Mueller
Benign lung tumors are a heterogenous group of neoplastic lesions originating from pulmonary structures.
Benign tumors make up 2-5% of all primary lung tumors, and slightly less than 15% of pulmonary nodules are benign lung tumors.
The cause and pathogenesis of benign lung tumors are poorly understood.
www.emedicine.com /med/byname/benign-lung-tumors.htm   (1080 words)

  
 University of Chicago :: FAQs
The most common adult brain tumors are either metastatic tumors (tumors spreading from other parts of the body like the breast or lung) or primary brain tumors.
In addition to metastatic tumors (tumors originating in other parts of the body and traveling to the brain), there are approximately one hundred different kinds of primary brain tumors.
Metastatic brain tumors are malignant tumors that have spread from one area of the body to the brain.
www.chicagobraintumors.org /faqs.htm   (772 words)

  
 MedlinePlus Medical Encyclopedia: Benign ear cyst or tumor
Benign ear cysts are noncancerous lumps or growths in the ear.
Benign bony tumors of the ear canal (exostoses and osteomas) may be caused by an overgrowth of bone.
Benign cysts and tumors are usually discovered during a routine ear examination, which can include audiometry (hearing tests) and tympanometry (middle ear testing).
www.nlm.nih.gov /medlineplus/ency/article/001033.htm   (528 words)

  
 Benign Bone Tumors - Detroit, Michigan, MI, Henry Ford
Osteoblastoma is a solitary,painful benign tumor that occurs in the vertebrae, the long bones, and sometimes in the pelvis.
Enchondroma is a solitary, benign cartilage tumor that is usually found in the short tubular bones of the hands and feet.
Giant cell tumors account for 5-9 percent of all primary bone tumors and may be the most common bone tumor in young adults aged 25 – 40.
www.henryfordhealth.org /11650.cfm   (1258 words)

  
 bone tumors, benign bone tumors
Among the most common benign tumors involving bone are endochondroma, osteochondroma, nonossifying fibroma, chondroblastoma, osteoid osteoma, osteoblastoma, periosteal chondroma, giant cell tumor, and chondromyxoid fibroma.
Some “benign” tumors occasionally are locally aggressive tumors that can progressively destroy bone.  An example would be giant cell tumor of bone.  This particular tumor would need early local management before the end of a bone is destroyed.
Sometimes tumors are discovered only after a fracture occurs where the bone has been weakened by the growth of the tumor.
cms.clevelandclinic.org /ortho/body.cfm?id=67   (1307 words)

  
 Rat & Mouse Gazette: Tumors in Rats
Benign tumors are almost always encapsulated in a membrane and separate from nearby tissues, and therefore easily removed by surgery.
The most common tumor in rats is a benign mammary tumor, with most of these being a fibroadenoma (Fibro-from connective tissue, aden-from a gland, oma-a benign tumor.) Mammary tumors can be quite squishy and flat, or they can feel firm, sometimes even as hard as cartilage.
If you're sure it's a benign tumor, you might be able to avoid an exam fee by calling different hospitals and asking how much they would charge for just the surgery to remove an adenoma from a rat.
www.rmca.org /Articles/tumors.htm   (1355 words)

  
 Howstuffworks "How Cancer Works"
A malignant tumor is cancer, and a benign tumor is not.
One main difference between a benign tumor and a malignant tumor is that a benign tumor will not spread (metastasize) to distant parts of the body, and usually it will not grow back once removed.
A benign tumor is either surgically removed, or it may be left in place and simply observed to see what it does.
www.howstuffworks.com /cancer.htm   (1138 words)

  
 Glossary Gamma Knife - The Gamma Knife Center of Methodist Hospital San Antonio, TX
A benign tumor of the eighth cranial nerve.
A rare, benign tumor arising at the base of the skull, especially in the area near the pituitary gland.
A rare, benign, slow growing tumor that occurs at the base of the skull in about 1/3 of patients or at the end of the spine.
gammaknifesanantonio.com /Faq/Glossary.asp   (1689 words)

  
 Tumor definition - Cancer Information (Cancers, Symptoms, Treatment) on MedicineNet.com
For example, a medulloblastoma is a tumor that arises from embryonic cells (a blastoma) in the inner part of the brain (the medulla).
Tumor marker tests and imaging may be used; some tumors can be seen (for example, tumors on the exterior of the skin) or felt (palpated with the hands).
Benign tumors can sometimes simply be ignored, or they may be reduced in size (debulked) or removed entirely via surgery.
www.medterms.com /script/main/art.asp?articlekey=5863   (363 words)

  
 Liver Tumors - Liver Health Information - The American Liver Foundation
A tumor is a growth of tissue in which the tissue cells multiply in an uncontrolled fashion.
Malignant tumors of the liver are classified as being either primary (originating in the liver) or metastatic (spread from another body organ to the liver).
Malignant tumors may be detected by screening high risk patients or by chance on an imaging study of the abdomen performed for another reason, or may be detected because of symptoms such as abdominal pain.
www.liverfoundation.org /db/articles/1040   (924 words)

  
 AllRefer Health - Benign Ear Cyst or Tumor (Cysts - Ear, Ear Cysts, Ear Tumors, Exostoses, Osteomas, Tumor - Ear)
Benign ear cysts are noncancerous lumps or growths within the canal of the ear, pinna, or other parts of the ear.
Benign bony tumors of the ear canal (exostoses and osteomas) may be caused by an overgrowth of bone.
Tumors may grow large enough to block the ear canal, trap wax in the canal, and interfere with hearing.
health.allrefer.com /health/benign-ear-cyst-or-tumor-info.html   (524 words)

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