| embryoma | Embryonic tumour, a neoplasm, usually malignant, which arises during intrauterine or early postnatal development from an organ rudiment or immature tissue; it forms immature structures characteristic of the part from which it arises, and may form other tissues as well. The term includes neuroblastoma and Wilms' tumour, and is also used to include certain neoplasms presenting in later life, this usage being based on the belief that such tumours arise from embryonic rests. See: teratoma. Synonym: embryoma. (05 Mar 2000) |
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| embryoma of the kidney | <oncology, tumour> Wilm's tumour or nephroblastoma, is a cancerous tumour of the kidney in children. Wilm's is the most common tumour of the kidney and the most common intra-abdominal tumour in children. The exact cause is unknown, but probably develops in foetal tissue due to an underlying genetic factor. Like retinoblastoma, both sporadic and inherited forms occur. Believed to be caused by development of homozygosity for a deletion of the tip of the short arm of chromosome 11, which is presumed to contain a tumour suppressor gene. (07 Oct 1997) Previous: willow wattle, willow-weed, willow-wort, wills, Wilms, Max, wilms tumourNext: Wilms' tumour, Wilson block, Wilson, Clifford, wilson diseaseembryoma of the kidney -->Wilms' tumour A malignant renal tumour of young children, composed of small spindle cells and various other types of tissue, including tubules and, in some cases, structures resembling foetal glomeruli, and striated muscle and cartilage. Often inherited as an autosomal dominant trait . Synonym: adenomyosarcoma, embryoma of the kidney, nephroblastoma. (05 Mar 2000) |
| embryoma |
any neoplasm thought to be derived from embryonic cells or tissues, such as a dermoid cyst, teratoma, primitive neuroectodermal tumor, embryonal carcinoma or sarcoma, nephroblastoma, or hepatoblastoma. Called also embryonal tumor.
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| embryoma | malignant renal tumor of young children characterized by hypertension and blood in the urine and the presence of a palpable mass |
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