Home Neoplasma 2006 Neoplasma Vol.53, p.418-423, 2006

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Founded: 1954
ISSN 0028-2685
ISSN 1338-4317 (online)

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Neoplasma Vol.53, p.418-423, 2006

Title: In vivo fluorescence diagnostics and photodynamic therapy of gastrointestinal superficial polyps with aminolevulinic acid. A clinical and spectroscopic study

Abstract: In the present study initial results of clinical study related to the treatment of patients having different types of precancerous lesions in the area of esophagus, stomach and intestine by photodynamic therapy (PDT) based on aminolevulinic acid (ALA-PDT) are reported. The procedure was performed by laser fibre system with the light guides introduced through biopsy channel of an endoscope. In addition, in vivo fluorescent diagnostics and spectral analyses of biopsies were performed. Each patient had a positive response to therapy. In two cases there was a total response and in other five cases more than sixty percent of suspected area was removed. Additionally, sigilocellular carcinoma of stomach was revealed in one case. It appears from the results of this study, that the treatment of precancerous lesions with ALA-PDT could be successful treatment modality.

Keywords: fluorescence diagnostics, photodynamic therapy, protoporphyrin IX
Year: 2006, Volume: 53, Issue: Page From: 418, Page To: 423

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