blastoma


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blastoma

 [blas-to´mah] (pl. blastomas, blasto´mata)
A neoplasm composed of embryonic cells derived from the blastema of an organ or tissue. adj., adj blasto´matous.

blas·to·ma

(blas-tō'mă),
A neoplasm composed chiefly or entirely of immature undifferentiated cells resembling those that form the blastema or primordium of the organ in which the tumor arose.
[blasto- + G. -oma, tumor]

blastoma

/blas·to·ma/ (blas-to´mah) pl. blastomas, blasto´mata   a neoplasm composed of embryonic cells derived from the blastema of an organ or tissue.blasto´matous

blastoma

(blă-stō′mə)
n. pl. blasto·mas or blasto·mata (-mə-tə)
A neoplasm composed of immature and undifferentiated cells.

blastoma

[blastō′mə] pl. blastomas, blastomata
Etymology: Gk, blastos + oma, tumor
a neoplasm of embryonic tissue that develops from the blastema of an organ or tissue. A blastoma derived from a number of scattered cells is pluricentric; one arising from a single cell or group of cells is unicentric. Also called blastocytoma. blastomatous [blastom′ətəs] adj.

blastoma

(1) A generic root form for any of a number of primitive tumours—e.g., ameloblastoma, glioblastoma, neuroblastoma, osteoblastoma, retinoblastoma.
(2) A nonspecific term for any tumour composed of primitive cells.
(3) Neoplasm.

blas·to·ma

(blas-tō'mă)
A neoplasm composed chiefly or entirely of immature undifferentiated cells (i.e., blast forms), with little or virtually no stroma.
Synonym(s): blastocytoma.
[blasto- + G. -oma, tumor]

blastoma

a neoplasm composed of embryonic cells derived from the blastema of an organ or tissue.
References in periodicals archive ?
The tumor showed frequent abnormal mitoses with extensive areas of haemorrhage and tumor cells necrosis and the final diagnosis of pleuropulmonary blastoma was made (Figure 3).
La mas reciente clasificacion de la Organizacion Mundial de la Salud de 2004 elimino este tumor de la categoria de los blastomas pulmonares bifasicos y lo clasifico como una variante del adenocarcinoma [5].
The lesions are the result of an abnormality at the juncture of the mesonephric duct and the gonadal blastoma.
Pleuropulmonary blastoma is an uncommon tumor with type 1 (cystic type) and types 2 and 3 (cystic plus solid and solid types, respectively).
Richard said that although Retno Blastoma can be hereditary, he has been told by medics that Tracey's cancer was not linked to Reece's.
Fraser, now eight months, has retina blastoma, which affects about 40 kids a year in the UK.
The etiologies of their visual impairments included retinopathy of prematurity, glaucoma, retinal detachment, amaurosis, optic chiasm tumors, sarcoid growth, injury, retinitis pigmentosa, diabetic retinopathy, retinal blastoma, macular degeneration, and unknown.
Two-year-old Lucas Longthorpe is only one of 24 children in the world battling pleuropulmonary blastoma, a rare childhood chest tumour.
Two years ago, pub locals were given the devastating news that he had been diagnosed with a pineal blastoma tumour, a rare form of brain cancer.
Both boys developed a rare form of cancer called pleural pulmonary blastoma that affects their lungs.
International Plueropulmonary Blastoma Registry, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
The differential diagnosis includes pleuropulmonary blastoma (PPB), pulmonary sequestration, congenital lobar emphysema, diaphragmatic hernia, bronchogenic cyst and cystic bronchiectasis.