these masses unlike cancerous tumors only rarely invade or compress surrounding structures significantly Pages on BioPortfolio:

BioPortfolio - Hamartoma
... the organ from whose tissue they are made, and, unlike cancerous tumors, only rarely invade or compress surrounding structures significantly. ...
http://www.bioportfolio.com/indepth/Hamartoma.html...

Results from other life science and pharmaceutical sites:

Brain and Spinal Tumors: Hope Through Research: National Institute ...
These tumors are named after the type of cancer that causes them. ...... generally do not invade surrounding normal tissue, and rarely spread to other
parts ...
http://www.ninds.nih.gov/disorders/brainandspinaltumors/deta...

Neck Mass: Assessment of a Neck Mass
Or is it firm, poorly mobile, and fixed to surrounding structures? .... tumors from these organs may metastasize to the neck, albeit rarely. ...
http://www.medscape.com/viewarticle/535614...

PRIMARY GERM CELL TUMORS OF THE THORAX
that seem limited to the mediastinum and do not extensively invade. local structures. In these patients, an attempt at total tumor resection ...
http://www.cancer.org/downloads/pub/DOCS/SECTION28/92.pdf...

Data Collection of Primary Central Nervous System (CNS) Tumors
If the only diagnosis is “hypodense mass” or “cystic neoplasm” this is not ..... These tumors develop from the remains of a spine-like structure that forms ...
http://www.cdc.gov/cancer/npcr/training/btr/ppt/Brain_Tumor_...

ODONTOGENIC TUMORS
These benign tumors are relatively unaffected by radiation, ..... because odontogenic lesions are the only other primary tumors in ...
http://www.cancer.org/downloads/PUB/DOCS/SECTION27/87.pdf...

Cutting Edge Imaging of THE Spine
Sagittal and axial diffusion weighted images (D and E) show these masses to have (more . ... to determine whether a tumor invades or displaces fiber tracts. ...
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=20...

The pathogenesis of pituitary tumours : Article : Nature Reviews ...
Although not classified as malignant, as they rarely metastasize to other parts of ..... Consistent with these findings, ptd-FGFR4, unlike wild-type FGFR4, ...
http://www.nature.com/nrc/journal/v2/n11/full/nrc926.html...

Cancer Facts & Figures 2006
also result in detection of these tumors at earlier stages. ... only by heart disease. In the US, cancer accounts for 1 of. every 4 deaths. ...
http://www.cancer.org/downloads/STT/CAFF2006PWSecured.pdf...

The pathogenesis of pituitary tumours : Article : Nature Reviews ...
They can also invade downwards into the paranasal sinuses, laterally into the ..... Consistent with these findings, ptd-FGFR4, unlike wild-type FGFR4, ...
http://www.nature.com/nrc/journal/v2/n11/full/nrc926.html;js...

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