epithelioma

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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

(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.

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

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]
References in periodicals archive ?
(8.) Noguchi H, Hayashibana T, Ono T: A statistical study of calcifying epithelioma, focusing on the site of origin.
(9.) Thomas J, Kathare S: Calcifying epithelioma of Malherbe, a true tumor or malformation?
(10.) Forbis R, Helwigh EB: Pilomatrixoma (calcifying epithelioma).
Giant calcifying epithelioma of Malherbe (pilomatrixoma): Imaging features.
All cases more or less shared the same microscopic features of basaloid cells, ghost cells, calcification, and foreign body type giant cells, presenting features of a calcifying epithelioma of Malherbe (pilomatricoma) (Figure 1).
About the time that the first paper was published, routine numerical microscopic grading of squamous cell epithelioma of the lip was instituted at the Clinic.
Welch, MD, professor of pathology at Johns Hopkins, who concluded that it was an "epithelioma." Although there were "no positive proofs of malignancy," the surgical team decided to remove it anyway; the surgical procedure was performed secretly while floating down the Potomac River on a friend's private yacht.
Muir-Torre syndrome-related sebaceous tumors include sebaceous adenoma, sebaceoma/sebaceous epithelioma, sebaceous carcinoma, keratoacanthoma with sebaceous differentiation, BCC with sebaceous differentiation, and cystic sebaceous neoplasms.
Sebaceoma (formerly known as sebaceous epithelioma) is a variant of sebaceous adenoma in which the basaloid epithelial cells comprise 50% or more of the tumor.