Papilloma

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Papilloma
Intraductal papilloma of breast, H&E, 10x
SpecialtyOncology Edit this on Wikidata

A papilloma (plural papillomas or papillomata) (papillo- + -oma) is a benign epithelial tumor[1] growing exophytically (outwardly projecting) in nipple-like and often finger-like fronds. In this context, papilla refers to the projection created by the tumor, not a tumor on an already existing papilla (such as the nipple).

When used without context, it frequently refers to infections (squamous cell papilloma) caused by human papillomavirus (HPV), such as warts. Human papillomavirus infection is a major cause of cervical cancer, vulvar cancer, vaginal cancer, penis cancer, anal cancer, and HPV-positive oropharyngeal cancers.[2][3][4][5][6] Most viral warts are caused by human papillomavirus infection (HPV),[7] of which there are nearly 200 distinct human papillomaviruses (HPVs),[4] and many HPV types are carcinogenic.[2][3] There are, however, a number of other conditions that cause papilloma, as well as many cases in which there is no known cause.

Signs and symptoms

HPV6 pedunculated papilloma behind the uvula and HPV6 sessile papilloma next to the uvula
HPV6 pedunculated papilloma removed from behind the uvula using a laser

A benign papillomatous tumor is derived from epithelium, with cauliflower-like projections that arise from the mucosal surface. It may appear white or normal colored. It may be pedunculated or sessile. The average size is between 1–5 cm. Neither sex is significantly more likely to develop them. The most common site is the palate-uvula area followed by tongue and lips. Durations range from weeks to 10 years.

Presence of HPV

Immunoperoxidase stains have identified antigens of the human papillomavirus (HPV) types 6 and 11 in approximately 50% of cases of squamous cell papilloma.[8]

Prognosis

There is no evidence that papillomas are premalignant.

Differential diagnosis

Note: differentiation is done accurately by microscopic examination only.

Treatment

With conservative surgical excision, recurrence is rare.[citation needed]

See also

References

  1. ^ "papilloma" at Dorland's Medical Dictionary
  2. ^ a b Muñoz N, Bosch FX, de Sanjosé S, Herrero R, Castellsagué X, Shah KV, et al. (International Agency for Research on Cancer Multicenter Cervical Cancer Study Group) (February 2003). "Epidemiologic classification of human papillomavirus types associated with cervical cancer". The New England Journal of Medicine. 348 (6): 518–527. doi:10.1056/NEJMoa021641. hdl:2445/122831. PMID 12571259. S2CID 1451343.
  3. ^ a b Parkin DM (June 2006). "The global health burden of infection-associated cancers in the year 2002". International Journal of Cancer. 118 (12): 3030–3044. doi:10.1002/ijc.21731. PMID 16404738. S2CID 10042384.
  4. ^ a b Ljubojevic S, Skerlev M (2014). "HPV-associated diseases". Clinics in Dermatology. 32 (2): 227–234. doi:10.1016/j.clindermatol.2013.08.007. PMID 24559558. S2CID 24219797.
  5. ^ "Human papillomavirus (HPV) and cervical cancer". WHO. June 2016. Archived from the original on 5 August 2016.
  6. ^ Jamal, Zohaib; Anjum, Fatima (January 2024). "Oropharyngeal Squamous Cell Carcinoma". StatPearls. Treasure Island, Florida: StatPearls Publishing LLC. doi:10.32388/G6TG1L. PMID 33085415 – via NCBI.
  7. ^ "Warts: Overview" (Updated ed.). U.S. National Library of Medicine. 7 November 2019 . Archived from the original on 10 September 2017. Retrieved 7 February 2021. {{cite journal}}: Cite journal requires |journal= (help)
  8. ^ Quinlan, Jeffrey D. (August 2021). "Human Papillomavirus: Screening, Testing, and Prevention". American Family Physician. 104 (2): 152–159. ISSN 1532-0650.
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