The keys to conservative treatment of early-stage squamous cell carcinoma of the tonsillar region - 01/08/17
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Abstract |
To analyze the medical literature devoted to work-up, epidemiology, local control, survival, complications and sequelae after conservative treatment for early-stage squamous cell carcinoma of the tonsillar region. An analysis of the PubMed (1975–2016) database was performed using the following keywords and associations: “tonsil/tonsillar region/oropharynx” AND “squamous cell carcinoma” AND “early-stage (I–II; T1–2N0M0)” AND “radiation therapy/radiotherapy” OR “conservative surgery/oropharyngectomy/transoral surgery/radical tonsillectomy”. The search retrieved 10 retrospective series documenting local control and/or survival in series with more than 50 cases and a minimum 2 years’ follow-up after conservative treatment; no prospective studies, meta-analyses and/or Cochrane analyses were found. Magnetic resonance imaging is the key radiological exam for local extension assessment. Human papilloma virus infection (HPV) is a risk factor that must be screened for systematically, since it induces tumoral radio-sensitivity and increases the risk of specific synchronous and metachronous second primaries. Whatever conservative treatment used, local control and survival rates higher than 85% were achieved. Implementing intensity-modulated radiation therapy reduced the incidence and severity of radiation-related complications and sequelae. Transoral surgery yielded very low morbidity/mortality rates, enabled association to ipsilateral neck dissection, and allowed radiation therapy to be reserved for the management of metachronous second primaries. Transoral surgery appeared to be the first-line option in the majority of cases. Lifetime follow-up adapted to HPV status is mandatory. The development of HPV vaccination does not mean that campaigns against smoking and alcohol abuse are of diminished importance.
Le texte complet de cet article est disponible en PDF.Keywords : Oropharynx, Tonsil, Squamous cell carcinoma, Early-stage, Radiation therapy, Transoral surgery
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Vol 134 - N° 4
P. 259-264 - septembre 2017 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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