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We studied the natural course of high-risk human papillomavirus (HPV) infection and cytological regression in women referred for colposcopy because of abnormal cervical smears. We found that high-risk HPV clearance preceded regression of cervical lesions by an average of 3 months. The cumulative 1-year rate of cytological regression was similar in women(More)
OBJECTIVE To study the significance of the presence of high risk human papillomavirus (HPV) in women with initially normal cervical cytology for the development of abnormal cytology and an abnormal colposcopic impression. DESIGN Prospective, observational study PARTICIPANTS AND METHODS Sixty-eight women with cytomorphologically normal smears and at(More)
Cervical-cancer screening programmes using cytomorphological criteria could be more efficient if the screening included objective individual risk factors for women with normal cytology, such as a test for high-risk human papillomavirus (HPV). The value of a PCR-based test for high-risk HPV types was studied in a cohort of 1622 women presenting in a routine(More)
The purpose of this work was to study intraobserver and interobserver variation in the interpretation of colposcopic images of cervical intraepithelial neoplasia (CIN). Twenty-three experienced colposcopists were asked to assess colposcopic images presented on slides and to select the biopsy site. Eleven cases were independently interpreted twice with an(More)
BACKGROUND A relation has been established between infection with high-risk types of human papillomavirus and development of cervical cancer. We investigated a role for testing for human papillomavirus as part of cervical-cancer screening. METHODS We monitored by cytology, colposcopy, and testing for high-risk human papillomavirus 353 women referred to(More)
The prevalence of human papillomavirus (HPV) genotypes in relation to age was investigated by the polymerase chain reaction (PCR) method in cytologically normal smears from 4 different groups of women. Group A consisted of young women from a district population, aged 15-34 years, using oral contraceptives and visiting general practitioners for a check-up (n(More)
High-risk human papillomavirus (HPV) infection plays an important role in cervical intra-epithelial neoplasia (CIN), but HPV infection alone is not sufficient for progression to cervical cancer. Several lines of evidence suggest that cellular immune surveillance is important in the control of HPV infection and the development of CIN. The presentation to T(More)
Toxicity studies for intraperitoneal photodynamic therapy (IPPDT) were performed in Wag/RijA rats, using specially designed light delivery blocks for proper light distribution and light dosimetry. A recently developed photosensitizer mesotetrahydroxyphenylchlorin (mTHPC), excited at 652-nm wave-length, was compared with Photofrin (630 nm). Toxicity profiles(More)
The aim of this study was to compare red (652 nm) and green (514 nm) light for photodynamic therapy (PDT) of the peritoneal cavity with emphasis on light distribution and toxicity. Red-light PDT was limited by intestinal toxicity and it was hypothesized that less penetrating green light would allow higher light doses to be used in the peritoneal cavity.(More)
A randomized study was performed to compare efficacy and side effects of laser and cryotherapy: 51 patients were treated with laser vaporization and 50 patients with cryotherapy. Success rates for laser and cryotherapy were not significantly different. Success rates were significantly related to lesion size. Grade of CIN, positive endocervical curettage,(More)