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JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
Clinical Significance of Low 2-Methoxyestradiol Levels in Serum and Tissue of Recurrent Juvenile-Onset Laryngeal Papillomatosis.
Otolaryngology - Head and Neck Surgery 2018 March
Objective We aim to explore the correlation between serum and tissue 2-methoxyestradiol (2-ME-2) levels and recurrence of juvenile-onset respiratory papillomatosis (JORRP). Study Design Retrospective cohort studies. Settings Laboratory of Otolaryngology, Department of Head and Neck Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University. Subjects and Methods Sixty-four patients diagnosed with JORRP in our department from January 2007 to December 2012 were enrolled. Patients were divided into recurrence and nonrecurrence groups, with 32 patients in each group. ELISA detected the concentration of 2-ME-2 in serum and tissue samples collected during the first surgical procedure. Mann-Whitney analysis, receiver operating characteristic curves, logistic regression model, and Kaplan-Meier method were used for data processing. Results There was no difference in the serum 2-ME-2 concentration between the groups ( P = .237), while the tissue 2-ME-2 concentration of the recurrent group was significantly lower than that of the nonrecurrence group ( P = .0001). When the area under the curve was 0.752, the cutoff value of tissue 2-ME-2 at 670.02 pg/mL yielded the highest predictive sensitivity (71.9%) and specificity (71.9%). Regrouped by this cutoff point, patients with a lower tissue 2-ME-2 level (n = 26) had shorter disease-free survival and a higher recurrence odds ratio than patients with a higher tissue 2-ME-2 level (n = 38; P = .0408, odds ratio = 7.667). Conclusion A low tissue 2-ME-2 level is associated with a higher recurrence rate of JORRP. Tissue 2-ME-2 may be an effective target for JORRP treatment and a convenient measure for recurrence monitoring.
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