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Objective: To determine the in-hospital cost implications of an endoscopic expanded endonasal approach (EEEA) for meningioma resection relative to the open transcranial approach. Methods: All anterior skull base meningioma surgeries performed over a period from January 1st, 2015 to October 31th, 2017 were evaluated. The electronic medical record was reviewed for patient factors, tumor characteristics, and cost variables associated with each hospital stay and univariate analysis was performed using R software. All cost data were converted into August 2021-equivalent dollar amounts using the United States Bureau of Labor Statistics consumer price index. Results: Thirty-five patients met study criteria, including 27 patients undergoing an open transcranial approach and 8 undergoing an EEEA. Average length of stay for patients undergoing an open approach was 9.3 days compared to 5.6 within the EEEA group (P =.126). The average total in-hospital cost of patient undergoing an EEEA was $35417.1 compared to $46406.9 among patients undergoing an open transcranial approach (P =.168). On univariate analysis, the cost of an open transcranial approach relative to the EEEA was $10989.8 (P =.411). Conclusions: The open transcranial approach remained the dominant surgical approach to anterior skull base meningiomas over our study time period. However, despite limited patient numbers the EEEA was associated with decreased total in-hospital costs. [ABSTRACT FROM AUTHOR]

Objectives: Myoepithelial carcinoma (MECA) is a rare salivary gland tumor that can occur in the sinonasal cavity with poor outcomes. There are limited data on sinonasal outcomes to guide management. We sought to use the National Cancer Database (NCDB) to better define treatment outcomes in MECA. Methods: We conducted a retrospective analysis of the NCDB from 2004 to 2016 for patients with MECA of the sinonasal cavity. Patient demographic, treatment, and survival information were extracted from the database. Unadjusted Kaplan–Meier estimates, log-rank tests, and a multivariable Cox proportional hazard model were used to assess overall survival (OS). Results: A total of 38 patients were included. The average age was 60.7 ± 18.2 years and male patients represented 47.4% of the cohort. Most patients were White (n = 26, 68.4%) and the majority of patients had either private insurance (n = 20, 52.6%) or Medicare (n = 15, 39.5%). The primary site of most tumors was nasal cavity (n = 19, 50%), followed by maxillary sinus (n = 16, 42.1%). Most tumors were >4 cm (n = 17, 44.7%). The 1-, 5-, and 10-year OS was 89.7% (95% confidence interval [CI]: 80.7%−99.8%), 63.6% (95% CI: 49.4%−82%), and 46.4% (95% CI: 31%−69.5%), respectively. The median survival for the overall cohort was 85.8 months. Medicare insurance was associated with a decreased OS (hazard ratio [HR]: 8.2; 95% CI: 2.88−23.4, P <.001). Patients who underwent surgery had a significant survival benefit (HR: 0.04, 95% CI: 0.01−0.21, P <.001). Discussion: MECA of the sinonasal cavity is a rare tumor with poorly understood behavior. Data from the NCDB suggests that it is a relatively aggressive tumor with surgical management associated with better outcomes. This analysis is limited by the small sample size and further research into optimal treatment regimens is needed. [ABSTRACT FROM AUTHOR]