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Table 2 Vulvar abnormalities, cervical cytology, and sexually transmissible infections detected at study examination

From: Investigating a cluster of vulvar cancer in young women: a cross-sectional study of genital human papillomavirus prevalence

  N=551 %
Suspected vulvar abnormality 20 3.6
Confirmed vulvar abnormality 9 1.6
 low grade VIN 3 0.5
 high-grade VIN* 2 0.4
 invasive vulvar cancer* 1 0.2
 genital warts 1 0.2
 other (e.g. trauma, non-specific inflammation) 3 0.5
Pap test performed 509 92.4
 thin prep and/or slide 502 91.1
 vault smear 7 1.3
Satisfactory Pap specimen 501 98.4
Pap result normal 464 92.6
Abnormal Pap results 37 7.4
 possible LGSIL 19 3.8
 definite LGSIL 8 1.6
 possible HGSIL 4 0.8
 definite HGSIL 6 1.2
Sexually transmissible infections   
 positive for N. gonorrhoeae § 19 3.9
 positive for C. trachomatis § 25 5.1
 positive for T. vaginalis § 132 26.9
 positive for active syphilis (T. pallidum) 11 2.5
 previous positive for past and/or treated syphilis 76 17.3
 HIV** 0 0
  1. *One woman had a high-grade and an invasive cancerous lesion on the vulva.
  2. Of n=509 Pap tests performed.
  3. Of n=501 satisfactory Pap specimens.
  4. §Of n=491 tests.
  5. Of n=439 tests.
  6. **Of n=428 tests.
  7. VIN = vulvar intraepithelial neoplasia, LGSIL = low-grade squamous intraepithelial lesion, HGSIL = high-grade squamous intraepithelial lesion, SCC = squamous cell carcinoma, HIV = human immunodeficiency virus.