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  • Title: Role of larynx-preserving partial hypopharyngectomy with and without postoperative radiotherapy for squamous cell carcinoma of the hypopharynx.
    Author: Joo YH, Cho KJ, Park JO, Nam IC, Kim MS.
    Journal: Oral Oncol; 2012 Feb; 48(2):168-72. PubMed ID: 21930416.
    Abstract:
    The purpose of this study was to examine the treatment outcomes of larynx-preserving partial hypopharyngectomies for hypopharyngeal carcinoma. Forty-three patients underwent partial hypopharyngectomy and reconstruction using faciocutaneous free flaps with and without postoperative radiotherapy between 1998 and 2009. Primary tumor sites were pyriform sinus in 35 and posterior pharyngeal wall in 8 patients. Thirty patients received postoperative radiotherapy. The 5-year overall and disease-specific survival rates were 63% and 67%, respectively. A significant positive correlation was found between pathologic N stage and primary site and disease-specific survival rates (N0/N1 stage; 93% vs. N2/N3 stage; 43%, p<0.001 and pyriform sinus; 80% vs. posterior pharyngeal wall; 29%, p=0.012, respectively). Recurrences occurred in 15 (35%) patients. Among them, two patients were successfully rescued. Primary partial hypopharyngectomy with laryngeal preservation can be achieved with favorable oncologic outcomes. Factors that affected prognosis were advanced stage neck disease and posterior pharyngeal wall carcinoma.
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