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Topical Bevacizumab for the Treatment of Ocular Surface Squamous Neoplasia

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jop.2014.0158.pdf (146.7Kb)
Date
2015
Author
Asena, Leyla
Altinors, Dilek Dursun
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Abstract
Purpose: To determine the efficacy and safety of topical bevacizumab treatment in patients with ocular surface squamous neoplasia (OSSN). Methods: Six eyes of 6 patients with primary OSSN confirmed by impression cytology received topical 5mg/mL bevacizumab 4 times daily for a period of 8 weeks. Patients were evaluated in 2-week intervals. Digital photography images were obtained at each visit and changes in the size of the lesions were analyzed by image analysis software. Results: The mean age of the patients was 6613 (+/- SD) years. Four tumors were nasal in origin and 2 tumors were temporal. The mean reduction observed in the lesion area was 43%+/- 24.2% (range, 20%-71%) in the first month and 68%+/- 29.7% (range, 42%-100%) in the second month when compared with the baseline area. Four patients required tumor excision at the end of the treatment period. Surgical treatment was not necessary in 2 patients due to complete disappearance of the tumor, which was confirmed by impression cytology. The visual acuity was stable in all patients and no systemic or visual side effects were observed during the study period. Conclusions: Topical bevacizumab is effective as a neoadjuvant therapy combined with surgical excision for the treatment of OSSN. Topical bevacizumab may be used before surgery to decrease the size of the excision. Excision may be unnecessary in responsive patients.
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http://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC4599122&blobtype=pdf
http://hdl.handle.net/11727/4202
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  • PubMed İndeksli Yayınlar Koleksiyonu [2491]
  • Scopus İndeksli Yayınlar Koleksiyonu [3175]
  • Tıp Fakültesi / Faculty of Medicine [5082]
  • Wos İndeksli Yayınlar Koleksiyonu [4284]

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