chordoma

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chordoma

 [kor-do´mah]
a malignant tumor arising in the axial skeleton from embryonic remains of the notochord.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

chor·do·ma

(kōr-dō'mă), [MIM*215400]
A rare neoplasm of skeletal tissue in adults, derived from persistent portions of the notochord; composed of cells arranged in lobules, with abundant myxoid stroma; some cells contain vacuoles that resemble soap bubbles (physaliphorous cells); most frequently in the region of the clivus or lumbar-sacral cord.
[(noto)chord + G. -oma, tumor]
Farlex Partner Medical Dictionary © Farlex 2012

chordoma

An encapsulated, locally invasive malignant tumour that arises from the foetal notochord in the sacrococcygeal and sphenooccipital regions.
 
Epidemiology
Predominantly in older (age 50–70) men for sacrococcygeal region and age 20–40 for sphenooccipital chordoma.
 
Management
Surgery, RT.
 
Prognosis
Recurrence is common, often years after adequate therapy.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

chor·do·ma

(kōr-dō'mă)
A rare neoplasm of skeletal tissue in adults, derived from persistent portions of the notochord.
[(noto)chord + G. -oma, tumor]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

chordoma

A slow-growing tumour of the spine arising from remnants of the primitive NOTOCHORD. Chordomas rarely spread remotely, but can cause severe local damage.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005