chordoma

(redirected from chordomata)
Also found in: Dictionary, Encyclopedia.

chordoma

 [kor-do´mah]
a malignant tumor arising in the axial skeleton from embryonic remains of the notochord.

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]

chordoma

/chor·do·ma/ (kor-do´mah) a malignant tumor arising from the embryonic remains of the notochord.

chordoma

[kôrdō′mə] pl. chordomas, chordomata,
a rare tumor that develops from the fetal notochord. It is usually located in the midline, behind the sella; it is slow growing but highly invasive.

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.

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]

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.

chordoma

a malignant tumor arising from embryonic remains of the notochord.