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  • Title: Indications for postoperative radiotherapy in laryngeal carcinoma: a panel of tumor tissue markers for predicting locoregional recurrence in surgically treated carcinoma. A pilot study.
    Author: Marioni G, Blandamura S, Lionello M, Giacomelli L, Lovato A, Favaretto N, Breda S, Tealdo G, Guzzardo V, Ottaviano G, Staffieri A.
    Journal: Head Neck; 2014 Nov; 36(11):1534-40. PubMed ID: 23996283.
    Abstract:
    BACKGROUND: Combining primary surgery with postoperative radiotherapy (RT) significantly reduces locoregional recurrence rates in selected patients with laryngeal squamous cell carcinoma (SCC). A prognostic model was used to see if associating laryngeal SCC tissue markers (mammary serine protease inhibitor [MASPIN], CD105, angiogenin [ANG], and nm23-H1) with conventional criteria could better discriminate higher-risk patients warranting postoperative RT. METHODS: The study involved 76 consecutively operated patients with laryngeal SCC not recommended for postoperative RT, in accord with current guidelines. RESULTS: On multivariate statistical modeling, non-nuclear MASPIN expression (p = .022), a CD105 expression ≥ 5.28% in vascular endothelial cells (p = .003), an nm23-H1 nuclear expression in carcinoma cells ≤ 12.0% (p = .028), and an ANG expression ≥ 5.0% (p = .07, statistical trend) showed a negative prognostic significance. The discriminatory power for disease recurrence of the 4 considered biomarkers generated an area under the curve (AUC; receiver operating characteristic [ROC]) of 0.872. The Hosmer-Lemeshow scale indicated an excellent discriminatory power. CONCLUSION: This panel's ability to predict laryngeal SCC recurrence warrants further prospective, randomized studies to assess its use among the parameters routinely considered before recommending postoperative RT for patients with laryngeal SCC.
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