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This video summarizes a case of a 45-year-old female with a long history of chronic rhinosinusitis and multiple sinonasal surgeries, including a DRAF type III in 2020, who came to us with a recurrence of right nasal obstruction, frontal headache, and nasal discharge. CT scan and ENT evaluation showed a restenosis of the right frontal sinus. Surgical revision of the DRAF type III with lateral-based local flaps and steroid-eluting stent was offered.By Gloria Schiavo; Mario Turri-Zanoni; Marco Valentini; Sara Gotti and Paolo BattagliaReported by Author; Author; Author; Author; Author [Extracted from the article]

This article presents a retrospective study on 457 patients with adenoid cystic carcinoma (ACC) in the sinonasal tract, nasopharynx, and upper oral and oropharyngeal cavity. The study aims to define optimal treatment strategies for ACC and identify a new definition of recovery due to its unique behavior. Findings indicate that gross total resection without adjuvant radiotherapy leads to higher disease-specific survival, while patients with noncurative treatment intent have a worse prognosis. The study also highlights the significant burden of symptoms and toxicity from retreatments, as well as the potential for local and distant metastases years after primary treatment. [Extracted from the article]

The prognostic value of conventional histopathological parameters in the sinonasal intestinal-type adenocarcinoma (ITAC) has been debated and novel variables should be investigated. Increasing evidence demonstrated that the evolution of cancer is strongly dependent upon the complex interactions within tumor microenvironment. The aim of this retrospective study was to assess the features of immune microenvironment in terms of CD3+ and CD8+ cells in a series of ITAC and explore their prognostic role, as well as their relations with clinicopathological variables. A computer-assisted image analysis of CD3+ and CD8+ tumor-infiltrating lymphocytes (TIL) density was conducted on surgical specimens of 51 patients with ITAC that underwent a curative treatment including surgery. ITAC displays variable TIL density, which is associated with OS. In a univariate model, the density of CD3+ TIL was significantly related to OS (p = 0.012), whereas the association with CD8+ TIL density resulted in being non-significant (p = 0.056). Patients with intermediate CD3+ TIL density were associated with the best outcome, whereas 5-year OS was the lowest for intermediate CD8+ TIL density. CD3+ TIL density maintained a significant association with OS in the multivariable analysis. TIL density was not significantly related to demographic and clinicopathological variables. CD3+ TIL density was independently associated with OS in a non-linear fashion and patients with intermediate CD3+ TIL density had the best outcome. Though based on a preliminary analysis on a relatively small series of patients, this finding makes TIL density a potential independent prognostic factor of ITAC. [ABSTRACT FROM AUTHOR]

Osteoid osteoma (OO) is a primary benign tumor that accounts for up to 3% of all bone tumors. The cervical spine is less affected by OOs, and very few cases of C2 OOs have been reported in the literature, both in adults and children. Surgery may be required in case of functional torticollis, stiffness, and reduced range of motion (ROM) due to cervical OOs refractory to medical therapy. Several posterior and anterior surgical techniques have been described to remove C2 OOs. In particular, anterior approaches to the cervical spine represent the most used surgical route for treating C2 OOs. We describe the first case of OO of the odontoid process removed through a transnasal endoscopic approach with the aid of neuronavigation in a 6-year-old child. No intraoperative complications occurred, and the post-operative course was uneventful. The patient had immediate relief of neck pain and remained pain-free throughout the follow-up period, with complete functional recovery of the neck range of motion (ROM). In this case, based on the favorable anatomy, the transnasal endoscopic approach represented a valuable strategy for the complete removal of an anterior C2 OO without the need for further vertebral fixation since the preservation of ligaments and paravertebral soft tissue. [ABSTRACT FROM AUTHOR]