epithelioma

epithelioma /ep·i·the·li·o·ma/ (-the″le-o´mah)

1. any tumor derived from epithelium.

2. loosely and incorrectly, carcinoma.epithelio´matous

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malignant epithelioma  carcinoma.

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ep·i·the·li·o·ma (p-thl-m)

n. pl. ep·i·the·li·o·mas or ep·i·the·li·o·ma·ta (-m-t)

A benign or malignant tumor derived from epithelium.

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epithelioma

[-thē′lē·ō′mə]

Etymology: Gk, epi + thele + oma, tumor

a neoplasm derived from the epithelium.

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epithelioma (ep´ithē´lēō´m),

n an epithelial neoplasm.

epithelioma adenoides cysticum,

n multiple trichoepitheliomas.

epithelioma, basal cell,

n See carcinoma, basal cell.

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epithelioma

any tumor derived from epithelium.

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epithelioma adenoides cysticum

see trichoepithelioma.

basal cell epithelioma

see basal cell tumors.

benign calcifying epithelioma

see pilomatrixoma.

intracutaneous cornifying epithelioma

a benign skin tumor of dogs that consists of a keratin-filled cyst, usually opening to the surface of the skin through a pore. Occasionally, and particularly in some breeds, tumors may be multiple or recurring.

epithelioma of Malherbe

see pilomatrixoma.

sebaceous epithelioma

a benign tumor of sebaceous glands that is histologically similar to basal cell tumor.

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epithelioma

A tumour of epithelial cells, ranging from benign to malignant (e.g. carcinoma). Example: epithelioma of the conjunctival epithelium that begins near the limbus and spreads to the fornices and cornea. Treatment usually consists of excision, cryotherapy or both, or even enucleation if the tumour is very advanced.