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    Vulvar Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI] - Stage 0 Vulvar Cancer


    In the only trial reporting progression to cancer (at 12 months), there was no difference in progression rate, but the trial was severely underpowered because only 3 of the total 52 women included developed invasive disease by 12 months.[16] The only trial reporting quality of life [16] showed no difference between imiquimod and placebo. Local side effects of imiquimod included pain, edema, erythema, and a single case of erosion. However, no patients had to discontinue treatment as a result of toxicity.

    Standard treatment options:

    1. Separate excision of focal lesions.[3]
    2. Wide local excision.[3]
    3. CO2 laser surgery and vaporization.[2,6] A disadvantage of vaporization is that it does not provide tissue for histologic examination to confirm complete removal of the lesion and the absence of invasive disease.
    4. Ultrasonic surgical aspiration (USA).[2,6]
    5. Superficial skinning vulvectomy with or without grafting.[3]
    6. Topical imiquimod for patients wishing to avoid surgery.[11,14,15,16,17]

    Current Clinical Trials

    Check for U.S. clinical trials from NCI's list of cancer clinical trials that are now accepting patients with stage 0 vulvar cancer. The list of clinical trials can be further narrowed by location, drug, intervention, and other criteria.

    General information about clinical trials is also available from the NCI Web site.


    1. Sideri M, Jones RW, Wilkinson EJ, et al.: Squamous vulvar intraepithelial neoplasia: 2004 modified terminology, ISSVD Vulvar Oncology Subcommittee. J Reprod Med 50 (11): 807-10, 2005.
    2. Kaushik S, Pepas L, Nordin A, et al.: Surgical interventions for high grade vulval intraepithelial neoplasia. Cochrane Database Syst Rev (1): CD007928, 2011.
    3. van Seters M, van Beurden M, de Craen AJ: Is the assumed natural history of vulvar intraepithelial neoplasia III based on enough evidence? A systematic review of 3322 published patients. Gynecol Oncol 97 (2): 645-51, 2005.
    4. Jones RW, Rowan DM, Stewart AW: Vulvar intraepithelial neoplasia: aspects of the natural history and outcome in 405 women. Obstet Gynecol 106 (6): 1319-26, 2005.
    5. Eifel PJ, Berek JS, Markman MA: Cancer of the cervix, vagina, and vulva. In: DeVita VT Jr, Lawrence TS, Rosenberg SA: Cancer: Principles and Practice of Oncology. 9th ed. Philadelphia, Pa: Lippincott Williams & Wilkins, 2011, pp 1311-44.
    6. von Gruenigen VE, Gibbons HE, Gibbins K, et al.: Surgical treatments for vulvar and vaginal dysplasia: a randomized controlled trial. Obstet Gynecol 109 (4): 942-7, 2007.
    7. Küppers V, Stiller M, Somville T, et al.: Risk factors for recurrent VIN. Role of multifocality and grade of disease. J Reprod Med 42 (3): 140-4, 1997.
    8. Buscema J, Woodruff JD, Parmley TH, et al.: Carcinoma in situ of the vulva. Obstet Gynecol 55 (2): 225-30, 1980.
    9. Jones RW, Rowan DM: Vulvar intraepithelial neoplasia III: a clinical study of the outcome in 113 cases with relation to the later development of invasive vulvar carcinoma. Obstet Gynecol 84 (5): 741-5, 1994.
    10. Sillman FH, Sedlis A, Boyce JG: A review of lower genital intraepithelial neoplasia and the use of topical 5-fluorouracil. Obstet Gynecol Surv 40 (4): 190-220, 1985.
    11. Pepas L, Kaushik S, Bryant A, et al.: Medical interventions for high grade vulval intraepithelial neoplasia. Cochrane Database Syst Rev (4): CD007924, 2011.
    12. Hillemanns P, Untch M, Dannecker C, et al.: Photodynamic therapy of vulvar intraepithelial neoplasia using 5-aminolevulinic acid. Int J Cancer 85 (5): 649-53, 2000.
    13. Fehr MK, Hornung R, Schwarz VA, et al.: Photodynamic therapy of vulvar intraepithelial neoplasia III using topically applied 5-aminolevulinic acid. Gynecol Oncol 80 (1): 62-6, 2001.
    14. Sterling JC, Smith NA, Loo WJ, et al.: Randomized, doubleblind, placebo-controlled trial for treatment of high grade vulval intraepithelial neoplasia with imiquimod. [Abstract] J Eur Acad Derm Venereol 19 (Suppl 2): A-FC06.1, 22, 2005.
    15. Mathiesen O, Buus SK, Cramers M: Topical imiquimod can reverse vulvar intraepithelial neoplasia: a randomised, double-blinded study. Gynecol Oncol 107 (2): 219-22, 2007.
    16. van Seters M, van Beurden M, ten Kate FJ, et al.: Treatment of vulvar intraepithelial neoplasia with topical imiquimod. N Engl J Med 358 (14): 1465-73, 2008.
    17. Terlou A, van Seters M, Ewing PC, et al.: Treatment of vulvar intraepithelial neoplasia with topical imiquimod: seven years median follow-up of a randomized clinical trial. Gynecol Oncol 121 (1): 157-62, 2011.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Public Information from the National Cancer Institute

    Last Updated: May 28, 2015
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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