seminoma


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seminoma

 [sem″ĭ-no´mah]
a malignant tumor of the testis thought to arise from primordial germ cells of the sexually undifferentiated embryonic gonad.

sem·i·no·ma

(sem'i-nō'mă),
A radiosensitive malignant neoplasm usually arising from germ cells in the testis of young male adults that metastasizes to the paraortic lymph nodes; a counterpart of dysgerminoma of the ovary.
[L. semen, seed (semen) + G. -oma, tumor]

seminoma

(sĕm′ə-nō′mə)
n. pl. semino·mas or semino·mata (-mə-tə)
A malignant tumor of the testis arising from sperm-forming tissue.

seminoma

Lance Armstrong tumor Urology A testicular germ-cell neoplasm and most common tumor of ♂ < age 40 Clinical Mass, ± pain Management Excision, RT Prognosis ± 90% 5-yr survival if treated early. See Anaplastic seminoma, Germ cell tumor, Spermatocytic seminoma.

sem·i·no·ma

(sem'i-nō'mă)
A radiosensitive malignant neoplasm usually arising from germ cells in the testis of young male adults that metastasizes to the paraortic lymph nodes; a counterpart of dysgerminoma of the ovary.
[L. semen, seed (semen) + G. -oma, tumor]

seminoma

A malignant tumour of the testicle, composed of cells resembling primitive germ cells. The seminoma is highly sensitive to radiotherapy.

Chevassu,

Maurice, French physician, 1877–.
Chevassu tumor - testicular germ-cell tumor affecting men over 30 years of age. Synonym(s): seminoma
References in periodicals archive ?
In the COSMIC database for the KRAS and NRAS proto-oncogene receptor tyrosine kinase proteins activating Raf/MEK/ERK and PI3 kinase pathways, mutation rates in seminoma cases are 9% and 5%, respectively, while there are no mutations in nonseminoma cases.
This case demonstrated an unusual presentation of metastatic seminoma in a bald eagle.
(23) Metachronous contralateral testicular tumours occur in 1-2% of men with testicular seminoma. (24,25)
The biological and clinical significance of hCG-containing cells in seminoma. Br J Cancer 1985; 51:473-8.
Moore, "Malignant spinal cord compression secondary to testicular seminoma at the time of initial presentation and at relapse while on surveillance," Canadian Urological Association Journal, vol.
Pure seminoma is rare in the pediatric and adolescent population.
The aims of this study are to investigate the presence and localization of NIS expression in pure testicular seminomas, lymph nodes with seminoma metastasis, and embryonal carcinomas by immunohistochemical methods and to discuss RAI treatment as an alternative therapy
Figures 1-3 are depicting microscopic pictures of teratocarcinoma, seminoma and malignant fibrous histiocytoma.
Hypercalcemia resulting from multiple mechanisms, HHM-CIH and HHM-PTHrP, has been described in rare cases of HTLV-1 positive ATLL [5], neuroendocrine tumors of the pancreas [6], seminoma [7], and ovarian carcinoma [8].
The pathologic findings were consistent with a seminoma. He was staged as Stage IIIA, pT1N3M1aS1 given the metastases to the retroperitoneum and lungs.