| ameloblastoma | <oncology, tumour> A malignant jaw tumour (adamantinoma) which stems from the ameloblasts, cells which form tooth enamel. (09 Oct 1997) |
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| ameloblastomatous craniopharyngioma | <tumour> A form of craniopharyngioma resembling an ameloblastoma. (05 Mar 2000) |
| pigmented ameloblastoma | A benign neoplasm of neuroectodermal origin that most often involves the anterior maxilla of infants in the first year of life. It presents clinically as a rapidly growing blue-black lesion producing a destructive radiolucency; histologically, it is characterised by small round undifferentiated tumour cells interspersed with larger polyhedral melanin-producing cells arranged in an alveolar configuration. Synonym: melanoameloblastoma, pigmented ameloblastoma, pigmented epulis, progonoma of jaw, retinal anlage tumour. (05 Mar 2000) |
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| pituitary ameloblastoma | <oncology, tumour> A form of primary brain tumour which develops in the pituitary gland. These tumours often secrete increased quantities of pituitary hormones (for example growth hormone) which can result in conditions such as gigantism and acromegaly. They are often benign and rare and comprise less than 5% of childhood brain tumours. Other symptoms include vision changes, headache and weight gain. Treatment often includes a combination of surgery and radiation therapy. (27 Sep 1997) |
Synonyms : Ameloblastomas
| ameloblastoma |
Ameloblastoma is a rare, benign neoplasm (tumor) of odontogenic epithelium (the cells that create the enamel, or outside portion, of the teeth) appearing in mandibular or maxillary structures (upper or lower jaw) of the mouth. While the resulting tumors are rarely malignant or metastatic (that is, they rarely spread to other parts of the body), and progress slowly, the resulting lesions can cause severe abnormalities of the face and jaw. ...
Ãâó: en.wikipedia.org/wiki/Ameloblastoma
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