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To retrospectively evaluate oncological outcomes in two groups of patients with pT4aN0 glottic SCC treated with total laryngectomy (TL) and neck dissection (ND) who underwent postoperative radiotherapy or exclusive clinical and radiological follow-up.It includes patients with pT4N0 glottic SCC who underwent TL and unilateral or bilateral ND with or without PORT. Divided in two comparison groups: the first group underwent adjuvant RT (TL-PORT); the second group referred to clinical and radiological follow-up (TL).PORT was associated with a better OS while no differences were found in terms of DSS. A better local control is achieved when PORT is administered while no differences in terms of regional and distant control rates were found. Bilateral ND positively impacts on the regional control while the PNI negatively impact the regional control.A tailored PORT protocol might be considered for pT4N0 glottic SCC treated with TL and ND, both considering the ND's extent and presence of PNI.

Objectives/hypothesis There is no general consensus on what kind of examination to include in an optimal detection strategy for head and neck squamous cell carcinomas of unknown primary (SCCUPs). This study investigates the role of narrow-band imaging (NBI) in their identification. Study design Case series. Methods Twenty-nine consecutive patients affected by SCCUPs were referred at two academic institutions. Selection criteria were: 1) lymph node cytology positive for squamous cell carcinoma (SCC); 2) no evidence of any primary at white light (WL); 3) negative contrast-enhanced computed tomography (CT) and/or magnetic resonance imaging, and positron emission tomography-CT; and 4) no contraindication to general anesthesia. Each patient underwent office-based NBI panendoscopy. If a suspicious area was identified, a biopsy was performed for histological confirmation. When no suspicious area was detected in the office, patients underwent WL and NBI under general anesthesia. If this examination was still negative, bilateral tonsillectomy and base of the tongue (BOT) mucosectomy were performed. Results Office-based NBI identified 10 SCCs (34.5%), one in the nasopharynx, three in the tonsil, four in the BOT, and two in the supraglottis. In only one (3.5%) NBI-negative patient was a primary found in the BOT. In one (3.5%) we found an NBI suspicious area during panendoscopy under general anesthesia, but histology did not confirm this finding after BOT mucosectomy. Seventeen (58.6%) patients remained as having true SCCUPs. NBI sensitivity, specificity, positive, negative predictive values, and accuracy were 91%, 95%, 91%, 95%, and 90%, respectively. Conclusions In the present study, office-based NBI increased the detection rate of head and neck SCCUPs by 34.5% and should be strongly recommended as an adjunctive tool in their diagnostic workup. Level of evidence 4. Laryngoscope, 128:2060-2066, 2018.