epithelioma


Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to epithelioma: basal cell epithelioma, Eccrine epithelioma

epithelioma

 [ep″ĭ-the″le-o´mah]
1. a neoplasm of epithelial origin, ranging from benign (adenoma and papilloma) to malignant (carcinoma).
2. the term is sometimes used loosely and incorrectly as a synonym for carcinoma. adj., adj epithelio´matous.
epithelioma adenoi´des cys´ticum trichoepithelioma.

ep·i·the·li·o·ma

(ep'i-thē-lē-ō'mă),
1. An epithelial neoplasm or hamartoma of the skin, especially of skin appendage origin.
2. Obsolete term for a carcinoma of the skin derived from squamous, basal, or adnexal cells.
[epithelium + G. -ōma, tumor]

epithelioma

/ep·i·the·li·o·ma/ (-the″le-o´mah)
1. any tumor derived from epithelium.
2. loosely and incorrectly, carcinoma.epithelio´matous

malignant epithelioma  carcinoma.

epithelioma

(ĕp′ə-thē′lē-ō′mə)
n. pl. epithelio·mata (-mə-tə) or epithelio·mas
A benign or malignant tumor derived from epithelium.

ep′i·the′li·om′a·tous (-ŏm′ə-təs) adj.

epithelioma

[-thē′lē·ō′mə]
Etymology: Gk, epi + thele + oma, tumor
a neoplasm derived from the epithelium.

ep·i·the·li·o·ma

(ep'i-thē'lē-ō'mă)
1. An epithelial neoplasm or hamartoma of the skin, especially of skin appendage origin.
2. A carcinoma of the skin derived from squamous, basal, or adnexal cells.
[epithelium + G. -ōma, tumor]

epithelioma

A cancer derived from EPITHELIUM. A carcinoma.

epithelioma

skin carcinoma derived from squamous, basal or adnexal cells

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.

ep·i·the·li·o·ma

(ep'i-thē'lē-ō'mă)
1. An epithelial neoplasm or hamartoma of the skin, especially of skin appendage origin.
2. A carcinoma of the skin derived from squamous, basal, or adnexal cells.
[epithelium + G. -ōma, tumor]

epithelioma (ep´ithē´lēō´mə),

n an epithelial neoplasm.
epithelioma adenoides cysticum,
n multiple trichoepitheliomas.
epithelioma, basal cell,

epithelioma

any tumor derived from epithelium.

epithelioma adenoides cysticum
basal cell epithelioma
see basal cell tumors.
benign calcifying epithelioma
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
sebaceous epithelioma
a benign tumor of sebaceous glands that is histologically similar to basal cell tumor.
References in periodicals archive ?
The gross appearance of epithelioma cuniculatum is characteristic and distinctive, presenting as a warty, keratotic or sometimes soft tumour.
Epithelioma, one of his doctors announced, "as a rule starts from local irritation, and unlike other forms of cancer, is not dependent upon hereditary disposition to the disease.
Epithelioma of the cavities and internal organs of the head and neck.
Calcifying epithelioma (pilomatrixoma) of the head and neck: Analysis of 37 cases.
Basal cell epithelioma with giant tumor cells: light and electron microscopic study.
Electron microscopic studies of palmar and plantar pits of nevoid basal cell epithelioma.
Pathologic diagnosis: Benign tumors Diagnosis n (%) Hemangioma 5 (9) Ossifying fibroma 4 (7) Adnexal neoplasm 1 (2) Ameloblastic fibro-odontoma 1 (2) Benign fibrous histiocytoma 1 (2) Blue nevus 1 (2) Compound nevus 1 (2) Epithelioma adenoides cysticum 1 (2) Giant cell granuloma 1 (2) Lymphangioma 1 (2) Neurofibroma 1 (2) Osteochondroma 1 (2) Port wine stain 1 (2) Spitz nevus 1 (2) Xanthogranuloma 1 (2) Total 22 (41) Table 4.
Epithelioma cuniculatum: a variety of squamous carcinoma peculiar to the foot.
Giant calcifying epithelioma of Malherbe (pilomatrixoma): Imaging features.
Pilomatrixoma, also known as pilomatricoma and calcifying epithelioma of Malherbe, is a rare, benign tumor that originates in the cells of the hair follicle matrix.
38] Moreover, Kato et al omitted 6 cases recorded in the literature,[39] 4 reported as such[19,40,41] and 2 reported under the label of "eccrine epithelioma,"[42] but considered as examples of primary cutaneous adenoid cystic carcinoma.