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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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.

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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, cutaneous — A small tag of skin that may have a stalk (a peduncle). Cutaneous papillomas may appear on the skin almost anywhere although the favorite locales are the eyelids, neck, armpits (axillae), upper chest, and groin. Invariably benign, this tiny tumor …   Medical dictionary

  • 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

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