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  • Title: [Therapeutic effect of low-temperature radiofrequency coblation on early-stage laryngeal cancer].
    Author: Gong XY, Chen ZW, Lin ZP, Chen HB, Cheng L, Chen X.
    Journal: Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi; 2019 Feb 05; 33(2):143-147. PubMed ID: 30808140.
    Abstract:
    Objective: To evaluate the safety,efficacy and prognosis of low-temperature plasma radiofrequency coblation for early-stage laryngeal cancer(Tis, T1 and T2). Method: A retrospective analysis of 202 patients with early-stage laryngeal cancer who underwent the low-temperature radiofrequency coblation surgery, including 34 cases of Tis(16.83%), 49 cases of stage T1aN0M0(24.26%), 50 cases of stage T1bN0M0(24.75%) and 69 cases of stage T2N0M0(34.16%). Surgical patients were followed up closely for 6 to 60 months, with a median follow-up of 29 months. Result: Of the 202 patients,165(81.68%) had no recurrence and achieved good surgical results. None of them suffered severe complications such as post-operative hemorrhage and asphyxia. 37 cases(18.32%) had recurrence, including 1 case(0.50%) in stage Tis, 7 cases(3.47%) in stage T1a,7 cases(3.47%) in stage T1b, and 22 cases(10.89%) in stage T2. Thirteen patients who had recurrence underwent total laryngectomy(5 of which had a recurrence of T3 and 8 of which progressed to T4), including 1 in the stage T1a,2 in the stage T1b, and 10 in the stage T2. Vertical hemilaryngectomy were performed in 4 cases, 3 cases of stage T1a and 1 case of stage T2; 5 cases underwent plasma radiofrequency coblation again, including 3 cases of stage T1b and 2 cases of stage T2,no recurrence was found in all the patients; 1 patient had no obvious recurrence in the larynx but had cervical lymph node metastasis, radical neck dissection was performed; 1 patient with stage T2 recurrence was treated with a tracheotomy to relieve laryngeal obstruction without further treatment;3 cases showed improvement by radiotherapy and chemotherapy treatment after recurrence; 9 death cases,5 patients died after radiotherapy and chemotherapy, and 4 patients stopped getting treatment after recurrence.Conclusion: Low-temperature radiofrequency coblation surgery for patients with early-stage laryngeal cancer has great advantages in the preservation of laryngeal function and reduction of surgical trauma after surgery compared with traditional surgical method, and can obtain satisfactory results, but the selection of surgical indications for some patients with clinical stage T2 is still need to be carefully considered..
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