Papilloma
A benign tumor that projects above the surface of the tissue from which it arises. Papillomas have clearcut borders and are usually small and fairly round.
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A circumscribed, benign epithelial tumor projecting from the surrounding surface; more precisely, a benign epithelial neoplasm consisting of villous or arborescent outgrowths of fibrovascular stroma covered by neoplastic cells. SYN: papillary tumor. [papilla + G. -oma, tumor]
- basal cell p. SYN: seborrheic keratosis.
- p. canaliculum a papillomatous benign tumor arising within the duct of a gland.
- p. diffusum widespread occurrence of papillomas.
- duct p. SYN: intraductal p..
- p. durum a wart, corn, or cutaneous horn. SYN: hard p..
- hard p. SYN: p. durum.
- Hopmann p. a papillomatous overgrowth of the nasal mucous membrane. SYN: Hopmann polyp.
- p. inguinale tropicum a cutaneous eruption, occurring in Colombia, characterized by numerous slender pink vegetations in the inguinal region.
- intracystic p. a p. growing within a cystic adenoma, filling the cavity with a mass of branching epithelial processes.
- intraductal p. a small, often nonpalpable, benign p. arising in a lactiferous duct and frequently causing bleeding from the nipple. SYN: duct p..
- inverted p. an eplithelial tumor of the urinary bladder or nasal cavity in which proliferating epithelium is invaginated beneath the surface and is more smoothly rounded than in other papillomas.
- p. molle SYN: skin tag.
- Shope p. a papillomatous growth found in wild cottontail rabbits originally described by Shope that is caused by a virus in the family Papovaviridae and can be transferred to domestic rabbits where it will cause similar growths. A high percentage of these growths may become malignant.
- soft p. SYN: skin tag.
- transitional cell p. SYN: urothelial p..
- urothelial p. a benign papillary tumor of urothelium. SYN: transitional cell p..
- villous p. a p. composed of slender, fingerlike excrescences occurring in the bladder or large intestine, or from the choroid plexus of the cerebral ventricles; villous p. of the colon is usually sessile and frequently becomes malignant. SYN: villous tumor.
- zymotic p. SYN: yaws.

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pap·il·lo·ma .pap-ə-'lō-mə n, pl -mas also -ma·ta -mət-ə a benign tumor (as a wart or condyloma) resulting from an overgrowth of epithelial tissue on papillae of vascularized connective tissue (as of the skin) see papillomavirus

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n.
a benign nipple-like growth on the surface of skin or mucous membrane. Examples include basal-cell papillomas (see keratosis) and bladder papillomas.
papillomatous adj.

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pap·il·lo·ma (pap″ĭ-loґmə) [papilla + -oma] a benign epithelial neoplasm producing finger-like or verrucous projections from the epithelial surface. Called also papillary tumor. papillomatous adj

Medical dictionary. 2011.

Look at other dictionaries:

  • Papilloma — Pap il*lo ma, n.; pl. {Papillomata}. [NL. See {Papilla}, and { Oma}.] (Med.) A tumor formed by hypertrophy of the papill[ae] of the skin or mucous membrane, as a corn or a wart. Quain. [1913 Webster] …   The Collaborative International Dictionary of English

  • papilloma — papilloma. См. папиллома. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Papillōma — Papillōma, s. Papillargeschwulst …   Meyers Großes Konversations-Lexikon

  • papilloma — 1866, from PAPILLA (Cf. papilla) + OMA (Cf. oma) …   Etymology dictionary

  • papilloma — ► NOUN (pl. papillomas or papillomata) Medicine ▪ a small wart like growth, usually benign …   English terms dictionary

  • papilloma — [pap΄ə lō′mə] n. pl. papillomata [pap΄i lō′mə tə] or papillomas [ModL: see PAPILLA & OMA] 1. a benign tumor, as a polyp or wart, of the skin or mucous membrane, consisting of a group of thickened, enlarged papillae 2. such a tumor caused by a… …   English World dictionary

  • Papilloma — Infobox Disease Name = PAGENAME Caption = DiseasesDB = ICD10 = ICD9 = ICDO = 8050/0 OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = D010212 Papilloma refers to a benign epithelial tumor growing exophytically (outwardly projecting)… …   Wikipedia

  • Papilloma — Humane Papillomviren HPV im Elektronenmikroskop. Systematik Reich: Viren Baltimore K. dsDNA Viren I …   Deutsch Wikipedia

  • papilloma — Benign tumour of epithelium. Warts (caused by papilloma virus) are the most familiar example, and each is a clone derived from a single infected cell …   Dictionary of molecular biology

  • papilloma — noun (plural mas; also papillomata) Etymology: New Latin Date: 1866 a benign tumor (as a wart) due to overgrowth of epithelial tissue on papillae of vascular connective tissue (as of the skin) • papillomatous adjective …   New Collegiate Dictionary

  • papilloma — papillomatosis, n. papillomatous /pap euh loh meuh teuhs, lom euh /, adj. /pap euh loh meuh/, n., pl. papillomata / meuh teuh/, papillomas. Pathol. a benign tumor of the skin or mucous membrane consisting of hypertrophied epithelial tissue, as a… …   Universalium

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