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Long Term Effectiveness of Photodynamic Therapy for CIN Treatment

Authors
  • inada, natalia mayumi
  • buzzá, hilde harb
  • martins leite, marieli fernanda
  • kurachi, cristina
  • trujillo, jose roberto
  • de castro, cynthia aparecida
  • carbinatto, fernanda mansano
  • lombardi, welington
  • bagnato, vanderlei salvador
Publication Date
Jul 12, 2019
Source
MDPI
Keywords
Language
English
License
Green
External links

Abstract

2019. About 90% of cervical cancers originate from the malignant progression of cervical intraepithelial neoplasia (CIN) which is classified based on cytohistological characteristics (low- and high-grade lesions). The present study reports the long-term effectiveness of topical photodynamic therapy (PDT) for CIN grades 1 and 2/3 with up to two years of follow up. (2) Methods: A total of 56 patients with CIN 1, ten with CIN 2, and 14 patients for the placebo group were enrolled in this study. (3) Results: 75% (n = 42) of CIN 1 patients presented a complete response to PDT and only 23.2% (n = 13) of recurrence, progression, and/or lesions remaining two years after PDT. For CIN 2/3 patients, 90% were observed to be cured after one and two years of follow up. (4) Conclusions: PDT presented best results two years after a non-invasive, fast, and low-cost procedure and in comparison with the placebo group, preventing the progression of cervical intraepithelial neoplasia and preserving the cervix.

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