Immunophenotypic and viral (human papillomavirus) correlates of vulvar seborrheic keratosis

Hongwei Bai, Aida Cviko, Scott Granter, Liping Yuan, Rebecca Betensky, Christopher P. Crum

Research output: Contribution to journalArticle

Abstract

Human papillomavirus (HPV) infections of the genital mucosa classically present as warts (condylomata) and are traditionally defined by the presence of viral cytopathic effect (koilocytosis). In recent years, HPV has been detected in vulvar epithelial changes lacking koilocytosis, including squamous papillomas and lesions closely resembling seborrheic keratosis (SK). The purpose of this study was to determine the frequency and type of HPV associated with vulvar SK (VSK) and to compare expression of biomarkers (p16, Mib-1, and cyclin E) in these lesions. Sixty-seven biopsy specimens, including 25 VSKs, 10 nondiagnostic vulvar acanthoses, 12 fibroepithelial polyps (FEPs), and 20 nongenital cutaneous SKs (CSKs), were studied. Biopsy specimens were typed for HPV by polymerase chain reaction and immunostained with Mib-1, cyclin E, and p16INK4 antibodies. Eighteen of 25 VSKs (72%), 0 of 10 nondiagnostic vulvar acanthuses (0%; P = 0.0001), 2 of 12 FEPs (16.7%; P = 0.004), and 3 of 20 CSKs (15%; P = 0.0002) scored HPV positive. Increased Mib-1 staining was significantly more common in VSKs than in other vulvar lesions, but not in CSKs; increased p16 and cyclin E staining was not more common. VSKs are morphologically and immunophenotypically similar to CSKs but distinct by their association with HPV. Unlike the cervix, p16 and cyclin E will not consistently distinguish VSKs from HPV-negative lesions due to underexpression in low-risk HPV infections (p16) and less-restricted expression in vulvar lesions (cyclin E). Whether CSKs are associated with other forms of HPV infection remains to be determined.

Original languageEnglish (US)
Pages (from-to)559-564
Number of pages6
JournalHuman Pathology
Volume34
Issue number6
DOIs
StatePublished - Jun 1 2003

Fingerprint

Seborrheic Keratosis
Cyclin E
Papillomavirus Infections
Skin
Polyps
Viral Cytopathogenic Effect
Staining and Labeling
Biopsy
Warts
Papilloma
Cervix Uteri
Mucous Membrane
Biomarkers

Keywords

  • Cyclin E
  • Human papilloma virus
  • Ki-67
  • P16
  • Polymerase chain reaction - restriction fragment length polymorphism
  • Seborrheic keratosis
  • Vulva

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Immunophenotypic and viral (human papillomavirus) correlates of vulvar seborrheic keratosis. / Bai, Hongwei; Cviko, Aida; Granter, Scott; Yuan, Liping; Betensky, Rebecca; Crum, Christopher P.

In: Human Pathology, Vol. 34, No. 6, 01.06.2003, p. 559-564.

Research output: Contribution to journalArticle

Bai, H, Cviko, A, Granter, S, Yuan, L, Betensky, R & Crum, CP 2003, 'Immunophenotypic and viral (human papillomavirus) correlates of vulvar seborrheic keratosis', Human Pathology, vol. 34, no. 6, pp. 559-564. https://doi.org/10.1016/S0046-8177(03)00184-9
Bai, Hongwei ; Cviko, Aida ; Granter, Scott ; Yuan, Liping ; Betensky, Rebecca ; Crum, Christopher P. / Immunophenotypic and viral (human papillomavirus) correlates of vulvar seborrheic keratosis. In: Human Pathology. 2003 ; Vol. 34, No. 6. pp. 559-564.
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abstract = "Human papillomavirus (HPV) infections of the genital mucosa classically present as warts (condylomata) and are traditionally defined by the presence of viral cytopathic effect (koilocytosis). In recent years, HPV has been detected in vulvar epithelial changes lacking koilocytosis, including squamous papillomas and lesions closely resembling seborrheic keratosis (SK). The purpose of this study was to determine the frequency and type of HPV associated with vulvar SK (VSK) and to compare expression of biomarkers (p16, Mib-1, and cyclin E) in these lesions. Sixty-seven biopsy specimens, including 25 VSKs, 10 nondiagnostic vulvar acanthoses, 12 fibroepithelial polyps (FEPs), and 20 nongenital cutaneous SKs (CSKs), were studied. Biopsy specimens were typed for HPV by polymerase chain reaction and immunostained with Mib-1, cyclin E, and p16INK4 antibodies. Eighteen of 25 VSKs (72{\%}), 0 of 10 nondiagnostic vulvar acanthuses (0{\%}; P = 0.0001), 2 of 12 FEPs (16.7{\%}; P = 0.004), and 3 of 20 CSKs (15{\%}; P = 0.0002) scored HPV positive. Increased Mib-1 staining was significantly more common in VSKs than in other vulvar lesions, but not in CSKs; increased p16 and cyclin E staining was not more common. VSKs are morphologically and immunophenotypically similar to CSKs but distinct by their association with HPV. Unlike the cervix, p16 and cyclin E will not consistently distinguish VSKs from HPV-negative lesions due to underexpression in low-risk HPV infections (p16) and less-restricted expression in vulvar lesions (cyclin E). Whether CSKs are associated with other forms of HPV infection remains to be determined.",
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AU - Crum, Christopher P.

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AB - Human papillomavirus (HPV) infections of the genital mucosa classically present as warts (condylomata) and are traditionally defined by the presence of viral cytopathic effect (koilocytosis). In recent years, HPV has been detected in vulvar epithelial changes lacking koilocytosis, including squamous papillomas and lesions closely resembling seborrheic keratosis (SK). The purpose of this study was to determine the frequency and type of HPV associated with vulvar SK (VSK) and to compare expression of biomarkers (p16, Mib-1, and cyclin E) in these lesions. Sixty-seven biopsy specimens, including 25 VSKs, 10 nondiagnostic vulvar acanthoses, 12 fibroepithelial polyps (FEPs), and 20 nongenital cutaneous SKs (CSKs), were studied. Biopsy specimens were typed for HPV by polymerase chain reaction and immunostained with Mib-1, cyclin E, and p16INK4 antibodies. Eighteen of 25 VSKs (72%), 0 of 10 nondiagnostic vulvar acanthuses (0%; P = 0.0001), 2 of 12 FEPs (16.7%; P = 0.004), and 3 of 20 CSKs (15%; P = 0.0002) scored HPV positive. Increased Mib-1 staining was significantly more common in VSKs than in other vulvar lesions, but not in CSKs; increased p16 and cyclin E staining was not more common. VSKs are morphologically and immunophenotypically similar to CSKs but distinct by their association with HPV. Unlike the cervix, p16 and cyclin E will not consistently distinguish VSKs from HPV-negative lesions due to underexpression in low-risk HPV infections (p16) and less-restricted expression in vulvar lesions (cyclin E). Whether CSKs are associated with other forms of HPV infection remains to be determined.

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