Maximum standardised uptake value is prognostic in patients with early-stage squamous cell carcinoma of the tongue

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The aims of this paper were to evaluate the relation between the preoperative primary tumour maximum standardised uptake value (SUVmax, tSUVmax) and clinicopathological features, including depth of invasion (DOI), recurrence factors, and survival outcomes, and to compare the prognostic value of tSUVmax with that of other factors associated with the recurrence of early-stage oral squamous cell carcinoma (OSCC) of the tongue. We retrospectively analysed data from 155 patients. All patients were treated and regularly monitored at the Changhua Christian Hospital (CCH). Only those who had undergone 18 F-fluorodeoxyglucose positron emission tomography (FDG-PET) in the 14 days before surgery were included. A tSUVmax of >5.2 was found to be the sole strong predictor of a DOI of >4 mm. A tSUVmax of >7.6 was strongly associated with pT2 SCC of the tongue, more aggressive DOI, and perineural invasion. DOI and tSUVmax could be used to predict disease-free survival (DFS) for early-stage SCC of the tongue, and they showed stronger predictive power than the traditional American Joint Committee on Cancer (AJCC) T stage. Therefore tSUVmax could be a prognostic tool for DFS in AJCC early-stage SCC of the tongue.

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.