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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

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]
Farlex Partner Medical Dictionary © Farlex 2012

blastoma

(blă-stō′mə)
n. pl. blasto·mas or blasto·mata (-mə-tə)
A neoplasm composed of immature and undifferentiated cells.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

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.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

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]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
Yang et al., "Temporal order of RNase IIIb and loss-of-function mutations during development determines phenotype in pleuropulmonary blastoma / DICER1 syndrome: a unique variant of the two-hit tumor suppression model," F1000Research, vol.
Lazenby et al., "Translocation t(12;17)(q24.1;q21) as the sole anomaly in a nasal chondromesenchymal hamartoma arising in a patient with pleuropulmonary blastoma," Pediatric and Developmental Pathology, vol.
Cystic amelo- blastoma: behaviour and treatment of 21 cases.
O'Briain et al., "Persistent polyclonal B lymphocytosis with Epstein-Barr virus antibodies and subsequent malignant pulmonary blastoma," Journal of Clinical Pathology, vol.
In ophthalmology, eyeball trauma, cancer, congenital glaucoma, retinal blastoma, and some other disorders can change the size of the eyeball [5].
Computerized Topographic scan of the chest showed a mixed solid and cystic mass that was proved histopathologically as Pleuropulmonary blastoma (PPB) after excision by thoracotomy which is a rare primitive aggressive malignant neoplasm of the thorax occurring in childhood.
round cell tumor (desmin+, EMA+, NSE+), one germ cell tumor (anaplastic dysgerminoma; vimentin+, PLAP+, CD117+), one carcinosarcoma (CK+, vimentin+), one pleuropulmonary blastoma (vimentin+, S-100+, CD34-,CD99-, SMA-, desmin-), one Wilm's tumor (EMA+, NSE+, WT1-, desmin-), one pheochromocytoma (S-100+, CGA+, EMA-, calretinin-, CD56-, inhibin-, CK7-), one glioblastoma multiforme (GFAP+, EMA-) and one interdigitating dendritic cell tumor (CD3+, CD5+, CD23+, CD68+, Bcl2+, CD10-, CD79a-, CD20-, CD56-, CD21-, EMA-, HMB45- and CGA-).
Not only was Lauren Cherry diagnosed with a brain tumor on July 12, 2013, but she was also found to have an extremely rare pediatric lung tumor called Pleuropulmonary Blastoma in mid-August.
It can help delineate the basic type--carcinoma, sarcoma, lymphoma, melanoma, or blastoma. Furthermore, immunohistochemistry can help to delineate the possible site of origin.
So I've trained up and can now do a pretty good job.'' Michael's mum Sonia recalled how he was first diagnosed with the extremely rare cancer, pleuro pulmonary blastoma, back in 1999.
Despite attempts to save Reece's eye, the risk was too great that the retno blastoma cancer, which affects children under-five, could spread to his brain and prove fatal.