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Vol. 75. Issue 1.
Pages 8-16 (January - February 2024)
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Vol. 75. Issue 1.
Pages 8-16 (January - February 2024)
Original article
Oncological results of salvage treatment in patients with oropharynx carcinoma treated with radiotherapy
Resultados oncológicos del tratamiento de rescate en pacientes con carcinomas de orofaringe tratados con radioterapia
Xavier Leóna,b,c, Eduard Neumanna, Anna Holgadoa, Rosselin Vásqueza, Albert Pujola,
Corresponding author
apujolo@santpau.cat

Corresponding author.
, Miquel Quera,b
a Servicio de Otorrinolaringología, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
b Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Madrid, Spain
c UVIC. Universitat Central de Catalunya, Vic, Spain
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Tables (5)
Table 1. Characteristics of the patients included in the study and the patients with local recurrence of disease (rT) according to the different variables analysed.
Table 2. Patients with local tumour recurrence who underwent salvage surgery according to different variables.
Table 3. Types of salvage surgery at the level of the site of the primary tumour and pathological results achieved with salvage surgery.
Table 4. Specific survival at 5 years according to different clinical variables and variables related to the anatomopathological results of salvage surgery.
Table 5. Pathological outcome of resection margins in patients with oropharyngeal carcinomas treated with salvage surgery.
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Additional material (1)
Abstract
Objective

To evaluate the possibilities of salvage after local recurrence in patients with oropharyngeal carcinomas treated with radiotherapy, and to analyse the prognostic factors related to the final control of the disease.

Methods

Retrospective study of 596 patients with oropharyngeal carcinoma treated with radiotherapy during the period 1991–2018.

Results

One hundred and eighty-one patients (30.4%) had a local recurrence. Of the patients with a local recurrence, 51 (28.2%) were treated with salvage surgery. Variables that were associated with the patient not receiving salvage surgery were age greater than 75 years, tumour location in the posterior hypopharyngeal wall, an initial tumour extent cT4, and a recurrence-free interval of less than 6 months. Five-year specific survival of patients treated with salvage surgery was 19.1% (95% CI: 7.3%–30.9%). Variables that were related to specific survival were extent of recurrence and status of resection margins. Final tumour control was not achieved in any of the patients with extensive recurrence (rpT3−4, n = 25) or positive resection margins (n = 22).

Conclusion

Patients with oropharyngeal carcinomas treated with radiotherapy with local tumour recurrence have a limited prognosis. Most patients (71.8%) were not considered candidates for salvage surgery. The 5-year specific survival of patients treated with salvage surgery was 19.1%.

Keywords:
Oropharyngeal carcinoma
Local recurrence
Radiation therapy
Salvage surgery
Specific survival
Resumen
Objetivo

Evaluar las posibilidades de rescate tras la recidiva local en pacientes con carcinomas de orofaringe tratados con radioterapia, y analizar los factores pronósticos relacionados con el control final de la enfermedad.

Métodos

Estudio retrospectivo de 596 con carcinomas de orofaringe pacientes tratados con radioterapia durante el periodo 1991–2018.

Resultados

Ciento ochenta y un pacientes (30,4%) tuvieron una recidiva local. De los pacientes con una recidiva local, 51 (28,2%) fueron tratados con una cirugía de rescate. Las variables que se relacionaron con que el paciente no recibiese una cirugía de rescate fueron una edad superior a los 75 años, la localización del tumor en la pared posterior de la hipofaringe, una extensión inicial del tumor cT4, y un intervalo libre de recidiva inferior a los 6 meses. La supervivencia específica a los 5 años de los pacientes tratados con una cirugía de rescate fue del 19,1% (IC 95%: 7,3–30,9%). Las variables que se relacionaron con la supervivencia específica fueron la extensión de la recidiva y el estatus de los márgenes de resección. No se consiguió el control final del tumor en ninguno de los pacientes con una recidiva extensa (rpT3-4, n = 25) o con unos márgenes de resección positivos (n = 22).

Conclusión

Los pacientes con carcinomas de orofaringe tratados con radioterapia con una recidiva local del tumor cuentan con un pronóstico limitado. Una mayoría de los pacientes (71,8%) no fueron considerados candidatos a cirugía de rescate. La supervivencia específica a los 5 años de los pacientes tratados con una cirugía de rescate fue del 19,1%.

Palabras clave:
Carcinoma de orofaringe
Recidiva local
Radioterapia
Cirugía de rescate
Supervivencia específica

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