carcinoma

(redirected from embryonal carcinoma)
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Related to embryonal carcinoma: Yolk sac tumor

carcinoma:

see neoplasmneoplasm
or tumor,
tissue composed of cells that grow in an abnormal way. Normal tissue is growth-limited, i.e., cell reproduction is equal to cell death. Feedback controls limit cell division after a certain number of cells have developed, allowing for tissue repair
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.

carcinoma

[‚kärs·ən′ō·mə]
(medicine)
A malignant epithelial tumor.

carcinoma

Pathol
1. any malignant tumour derived from epithelial tissue
2. another name for cancer
References in periodicals archive ?
Differential gene expression between human neurons and neuronal progenitor cells in culture: An analysis of arrayed cDNA clones in NTera2 human embryonal carcinoma cell line as a model system.
Differentiation of NTERA-2 clonal human embryonal carcinoma cells into neurons involves the induction of all three neurofilament proteins.
Although teratoma by itself is less prone to relapse than embryonal carcinoma, the patient will pay a high price if the cancer is in the nodes.
The third patient, who had a pure embryonal carcinoma with vascular channel invasion, has a 30% or 40% risk of relapse, rather than the standard 25% risk.
It is similarly important to distinguish seminoma from yolk sac tumors because yolk sac tumors, like embryonal carcinoma, are radioresistant.
They represent dystrophic calcification that developed in the necrotic debris that commonly occurs in the comedocarcinomalike pattern of intratubular embryonal carcinoma.
Congenital teratomas are commonly immature and often contain an admixed yolk sac tumor and, rarely, embryonal carcinoma.
In adults, the most common nonteratomatous component is seminoma, but yolk sac tumor, embryonal carcinoma, and choriocarcinoma may also occur.
Ki-1 (CD30) antigen is regularly expressed in tumor cells of embryonal carcinoma.
Embryonal carcinoma lacks the 3 different types of cells described in spermatocytic seminoma.
OCT staining in testicular tumors, a sensitive and specific marker for seminoma and embryonal carcinoma.
The intratubular embryonal carcinoma cells and the adjacent microscopic focus of invasive embryonal carcinoma showed strong immunoreactivity for CD30 (Figure 4) and AE1/AE3.