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Objective: To evaluate the correlation between the ability to predict the attachment site of sinonasal inverted papilloma by computed tomography and the long-term surgical outcome., Study Design: Retrospective cohort study., Setting: Five tertiary medical centers., Methods: Study patients underwent attachment-oriented resection of inverted papilloma. The primary outcome was tumor recurrence., Results: Among 195 patients eligible for the study, focal hyperostosis was recognized on computed tomography in 65% (n = 127), in 71% of primary cases (n = 101), and in 50% of revision procedures (n = 26). There was a trend for a higher incidence of squamous cell carcinoma among the patients without detectable hyperostosis ( P = .051). Location of hyperostosis coincided with the actual tumor attachment site in 114 patients (90%). Discordance between these parameters did not differ significantly ( P = .463) between 11 primary and 2 revision cases. The overall rate of recurrence was 9.7% (n = 19), with a mean time to recurrence of 20 months (range, 7-96 months). The rate of recurrence did not correlate with any of the following: tumor stage, surgical approach, presence of squamous cell carcinoma, whether the surgery was primary or revision, and the presence or location of focal hyperostosis on computed tomography. Inverted papilloma recurred significantly more often (38.5%) when the intraoperative findings of the tumor attachment site did not match the location of hyperostosis observed on computed tomography (odds ratio, 6.5; 95% CI, 1.78-23.66)., Conclusion: Detectability of focal hyperostosis on preoperative computed tomography does not affect the long-term outcome of inverted papilloma resection.

Objectives: Fluorodeoxyglucose positron emission tomography-computed tomography (FDG PET-CT) has been increasingly used in the past decade. Incidental FDG-avid findings are encountered in these studies, several of which with clinical significance. However, the significance of incidental FDG-avid sinonasal findings has not been studied to date., Study Design: Retrospective cohort study., Setting: A single tertiary medical center., Materials and Methods: The medical records were reviewed of patients with incidental sinonasal positive FDG uptake between 2007 and 2016 who referred for further otolaryngological diagnostic workup., Results: A total of 26 patients were identified, all of whom underwent a diagnostic surgical procedure. Histopathology revealed chronic inflammation (n = 12, 46.1%), malignancy (n = 7, 26.9%), inverted papilloma (n = 4, 15.5%), and fungal infections (n = 3, 11.5%). A unilateral maxillary sinus with FDG uptake was documented for 16 (61.5%) patients. CT evidence of bilateral disease and mucosal or sinus wall thickening correlated with inflammatory disease., Conclusions: Incidental lesions with positive FDG uptake in the sinonasal cavities are at a high risk (40%) of being neoplastic. A diagnostic biopsy is advocated in these cases.

Objective: This study aimed to assess sinonasal outcomes in patients with aspirin exacerbated respiratory disease (AERD) undergoing aspirin desensitization following endoscopic sinus surgery (ESS)., Study Design: Case series with chart review., Setting: University hospital., Subjects and Methods: A retrospective review of sinonasal outcomes was conducted for 30 AERD patients undergoing aspirin desensitization and maintenance therapy following ESS. Sinonasal outcomes were prospectively assessed by the Sinonasal Outcomes Test-22 (SNOT-22) and endoscopic polyp grading system. Data were collected preoperatively, 1 and 4 weeks postsurgery (before desensitization), and 1, 6, 12, 18, 24, and 30 months after aspirin desensitization., Results: Twenty-eight of 30 patients (93.3%) successfully completed aspirin desensitization, whereas 2 of 30 (6.7%) were unable to complete desensitization due to respiratory intolerance. Of the 21 patients who successfully completed a minimum of 24 weeks of follow-up, 20 (95.2%) patients demonstrated sustained endoscopic and symptomatic improvement for a median follow-up period of 33 months. After surgical treatment but before desensitization, patients experienced significant reductions in SNOT-22 and polyp grade scores. In the first 6 months after aspirin desensitization, patients experienced further significant reductions in SNOT-22 scores, whereas polyp grade remained stable. The improvements in symptom endoscopic scores were preserved throughout the follow-up period after desensitization. No patients required additional sinus surgery. One patient had to discontinue aspirin therapy due to gastrointestinal side effects. No other adverse reactions to aspirin were noted., Conclusion: Aspirin desensitization following ESS appears to be a well-tolerated and effective adjunctive therapy for long-term control of nasal polyposis in patients with AERD., (© American Academy of Otolaryngology—Head and Neck Surgery Foundation 2014.)

Objectives: To systematically review the literature concerning techniques of closure of endoscopically created skull base defects based on site of skull base defect and flow rate of cerebrospinal fluid (CSF)., Data Sources: PubMed, SCOPUS, and Cochrane databases., Review Methods: A comprehensive systematic literature review., Results: The literature search produced a total of 1708 studies. Of these, 1585 studies were excluded based on title and/or abstract review. A total of 123 articles remained for full-text review, 101 of which were subsequently excluded primarily because of lack of detailed information as to the reconstructive techniques used or clinical outcomes. Of the 22 studies remaining for final analysis, all were case series. A total of 673 patients were included in the analysis, with an overall postoperative CSF leak rate of 8.5%. Subgroup analysis was performed based on location of the skull base defect and presence and quality of intraoperative CSF leak., Conclusions: Based on level 4 evidence, in cases of low-flow intraoperative CSF leaks, skull base reconstruction with multilayered free grafts and synthetic materials offers similar outcomes to vascularized flaps. In cases of high-flow intraoperative CSF leaks, pedicled vascularized flaps appear to be superior. Location of the defect does not seem to be a significant factor in determining successful closure, with the exception of clival defects. In all other sites, good closure may be achieved by multiple reconstructive approaches. More consistency in data reporting and higher levels of evidence will ultimately be necessary to make definitive recommendations.

Objective: To study the effect of specific clinical, laboratory, and imaging parameters on the course of severe (type 1) malignant external otitis (MEO)., Study Design: Case series with chart review., Setting: Tertiary, university-affiliated medical center., Subjects and Methods: Fifty-seven patients hospitalized with severe MEO were followed for disease course and survival in a tertiary center between 1990 and 2008., Results: In 20% of patients, disease was persistent and/or aggressive despite prolonged and extensive treatment. Of this subgroup, 45% died of the disease. Prognostic factors of persistent/aggressive disease were facial nerve paralysis, bilateral disease, and significant major computed tomography findings (temporomandibular joint destruction, infratemporal fossa or nasopharyngeal soft tissue involvement). Cultures grew fungi in 5 patients, and follow-up imaging revealed disease progression. The overall 5-year survival was 55% for patients with short-term disease and 40% for patients with persistent/ aggressive disease (P = .086). By age, 5-year survival was 75% in patients younger than 70 years old and 44% in older patients (P = .029)., Conclusions: A significant subset of patients with MEO has a prolonged, aggressive, and highly fatal disease that needs to be identified early. These patients more frequently have bilateral disease, cranial nerve paralysis, and positive computed tomography findings. Their follow-up should routinely include imaging studies to evaluate disease progression, and every effort should be made to identify and treat underlying fungal infection.