Background We evaluated the accuracy of nasal endoscopy in diagnosing chronic rhinosinusitis (CRS) compared with paranasal sinus computed tomography (CT). Methods Two authors independently searched the 5 databases (PubMed, SCOPUS, Embase, the Web of Science, and the Cochrane database) up to March 2019. For all included studies, we calculated correlation coefficients between the endoscopic and CT scores. We extracted data on true-positive and false-positive and true-negative and false-negative results. Methodological quality was assessed using the Quality Assessment of Diagnostic Accuracy Studies tool (version 2). Results We included 16 observational or retrospective studies. A high correlation ( r = .8543; 95% confidence interval [CI] [0.7685–0.9401], P < .0001, I2 = 76.58%) between endoscopy and CT in terms of the diagnostic accuracy for CRS was apparent. The odds ratio (Lund–Kennedy endoscopic score ≥1) was 7.915 (95% CI [4.435–14.124]; I2 = 28.361%). The area under the summary receiver operating characteristic curve was 0.765. The sensitivity and specificity were 0.726 (95% CI [0.584–0.834]) and 0.767 (95% CI [0.685–0.849]), respectively. However, high interstudy heterogeneity was evident given the different endoscopic score thresholds used (Lund–Kennedy endoscopic score ≥1 vs 2). In a subgroup analysis of studies using a Lund–Kennedy endoscopic score threshold ≥2, the area under the summary curve was 0.881, and the sensitivity and specificity were 0.874 (95% CI [0.783–0.930]) and 0.793 (95% CI [0.366–0.962]), respectively. Conclusion Nasal endoscopy is a useful diagnostic tool; the Lund–Kennedy score was comparable with that of CT.
Objective: This study aimed to evaluate the diagnostic accuracy of high-resolution T2-weighted magnetic resonance imaging (T2wi) in terms of detecting vestibular schwannoma compared with gadolinium-enhanced T1-weighted MRI (GdT1wi). Data Sources: Five databases (PubMed, SCOPUS, Embase, the Web of Science, and the Cochrane database). Data Selection: Two authors independently searched five databases up to January 2019 on diagnosis of vestibular schwannomas via T2wi. Data Extraction: In the included studies, tumor diameters reported using T2wi were compared with those revealed by GdT1wi and correlation coefficients were calculated. Data on true-positives, true-negatives, false-positives, and false-negatives were extracted from the relevant articles. Methodological quality was assessed using the Quality Assessment of Diagnostic Accuracy Studies 2 tool. Inter-rater agreement among different observers and intra-rater agreement among different measurements made by a single observer was assessed. Data Synthesis: Outcomes subjected to analysis included diagnostic accuracy (the diagnostic odds ratio); summary receiver operating characteristic curve and area under the curve values. The summary intra-class correlation coefficient was used for various random-effects models. The quality of each study was analyzed using the Quality Assessment of Diagnostic Accuracy Studies 2 tool. Conclusions: T2wi performed without the use of a contrast agent is a highly accurate diagnostic and monitor tool compared with GdT1wi and also demonstrated high reliability. However, further studies are required to confirm the results of this study.
Introduction: Orbital complications of rhinosinusitis in adults are scarcely discussed in the literature. We defined atypical orbital complications as those without typical orbital invasion and not classified by the Chandler classification. These complications present as visual loss of diplopia without soft tissue swelling, pain, or computed tomography images of an orbital abscess. Objectives: The objective of this study was to review our experience with the management of atypical orbital complications of rhinosinusitis and to identify key factors in the characteristics of these patients. Methods: A retrospective case series review was conducted from 2015 to 2019 in a tertiary referral center, which included all patients with rhinosinusitis and orbital complications. Results: Five patients were identified with atypical complications in the orbital area. Two of the 5 patients exhibited vision loss without any other symptoms. Two patients showed diplopia with or without ptosis. One patient had a headache and ptosis. Complete recovery was noted in 4 of the 5 patients after endoscopic sinus surgery. Conclusion: With future studies, new surgical criteria, including retinal destruction, location of the sinusitis, the onset of ophthalmological symptoms, and culture results may be added to the classical surgical criteria to manage orbital complications of paranasal sinus infection cases.
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