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

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

	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

^*One woman had a high-grade and an invasive cancerous lesion on the vulva.
^†Of n=509 Pap tests performed.
^‡Of n=501 satisfactory Pap specimens.
^§Of n=491 tests.
^¶Of n=439 tests.
^**Of n=428 tests.
VIN = vulvar intraepithelial neoplasia, LGSIL = low-grade squamous intraepithelial lesion, HGSIL = high-grade squamous intraepithelial lesion, SCC = squamous cell carcinoma, HIV = human immunodeficiency virus.

ISSN: 1471-2334