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The impact of positive resection margins in partial laryngectomy for advanced laryngeal carcinomas and radiation failures. 2010

E Soudry, and T Hadar, and J Shvero, and K Segal, and T Shpitzer, and B I Nageris, and R Feinmesser
Department of Otorhinolaryngology and Head and Neck Surgery, Rabin Medical Center, Beilinson Campus, Petach Tikva, and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.

OBJECTIVE To investigate the prognostic significance of positive margin and disease course in partial laryngectomy for advanced laryngeal carcinoma and radiation failure. METHODS Retrospective case control study. METHODS A major tertiary referral centre. METHODS Patients who underwent partial laryngectomy for advanced laryngeal carcinoma or for radiation failure with at least 2 years of follow-up. METHODS Margin status versus primary treatment and salvage treatment versus disease-free survival and overall survival. RESULTS Twenty nine patients with sufficient follow-up data were found. Twelve patients had histological positive margin. Five of the 12 patients with a histological positive margin failed surgery as did four patients with clear margins. A positive margin had no effect on disease-free survival (P = 0.287) but was associated with poorer overall survival (P = 0.051). Of 11 patients treated primarily with surgery, recurrence was documented in one of eight with a positive margin and none of three with clear margins. Of 18 patients who underwent surgery secondary to radiation failure, recurrence was documented in all four with a positive margin and 4 of 14 with negative margins. Extended frontolateral resection, performed only in radiation failures, was associated with worse disease-free survival. CONCLUSIONS Non-irradiated patients with involvement of a single margin after partial laryngectomy may be spared total laryngectomy if adjuvant radiation is administered. Patients who fail radiation should undergo radical partial laryngectomy, with conversion to total laryngectomy in those with a positive margin.

UI MeSH Term Description Entries
D007822 Laryngeal Neoplasms Cancers or tumors of the LARYNX or any of its parts: the GLOTTIS; EPIGLOTTIS; LARYNGEAL CARTILAGES; LARYNGEAL MUSCLES; and VOCAL CORDS. Cancer of Larynx,Laryngeal Cancer,Larynx Neoplasms,Cancer of the Larynx,Larynx Cancer,Neoplasms, Laryngeal,Cancer, Laryngeal,Cancer, Larynx,Cancers, Laryngeal,Cancers, Larynx,Laryngeal Cancers,Laryngeal Neoplasm,Larynx Cancers,Larynx Neoplasm,Neoplasm, Laryngeal,Neoplasm, Larynx,Neoplasms, Larynx
D007825 Laryngectomy Total or partial excision of the larynx. Laryngectomies
D008297 Male Males
D009367 Neoplasm Staging Methods which attempt to express in replicable terms the extent of the neoplasm in the patient. Cancer Staging,Staging, Neoplasm,Tumor Staging,TNM Classification,TNM Staging,TNM Staging System,Classification, TNM,Classifications, TNM,Staging System, TNM,Staging Systems, TNM,Staging, Cancer,Staging, TNM,Staging, Tumor,System, TNM Staging,Systems, TNM Staging,TNM Classifications,TNM Staging Systems
D003131 Combined Modality Therapy The treatment of a disease or condition by several different means simultaneously or sequentially. Chemoimmunotherapy, RADIOIMMUNOTHERAPY, chemoradiotherapy, cryochemotherapy, and SALVAGE THERAPY are seen most frequently, but their combinations with each other and surgery are also used. Multimodal Treatment,Therapy, Combined Modality,Combined Modality Therapies,Modality Therapies, Combined,Modality Therapy, Combined,Multimodal Treatments,Therapies, Combined Modality,Treatment, Multimodal,Treatments, Multimodal
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D016016 Proportional Hazards Models Statistical models used in survival analysis that assert that the effect of the study factors on the hazard rate in the study population is multiplicative and does not change over time. Cox Model,Cox Proportional Hazards Model,Hazard Model,Hazards Model,Hazards Models,Models, Proportional Hazards,Proportional Hazard Model,Proportional Hazards Model,Cox Models,Cox Proportional Hazards Models,Hazard Models,Proportional Hazard Models,Hazard Model, Proportional,Hazard Models, Proportional,Hazards Model, Proportional,Hazards Models, Proportional,Model, Cox,Model, Hazard,Model, Hazards,Model, Proportional Hazard,Model, Proportional Hazards,Models, Cox,Models, Hazard,Models, Hazards,Models, Proportional Hazard
D016019 Survival Analysis A class of statistical procedures for estimating the survival function (function of time, starting with a population 100% well at a given time and providing the percentage of the population still well at later times). The survival analysis is then used for making inferences about the effects of treatments, prognostic factors, exposures, and other covariates on the function. Analysis, Survival,Analyses, Survival,Survival Analyses

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