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https://www.selleckchem.com/products/aunp-12.html CONCLUSION Sickle SCAN is a rapid test that shows high sensitivity and specificity for identification of hemoglobin S among blood donors and when used for testing blood units. © 2019 AABB.OBJECTIVES/HYPOTHESIS The objective of this study was to classify anomalous facial nerve (FN) routes and to determine their association with inner ear malformations (IEMs). STUDY DESIGN Retrospective cross sectional study. METHODS The computed tomography images of 519 patients (796 ears) with IEMs were retrospectively evaluated, and the abnormal routes of the FN were classified as Meatal segment type 1, normal internal auditory canal (IAC); type 2, narrow IAC; type 3, facial canal (FC) only; type 4 separate FC/duplicated IAC. Labyrinthine segment (LS) type 1, normal; type 2a/b/c, mild/moderate/severe anterior displacement; type 3, superior displacement; type 4 straight LS. Tympanic segment (TS) type 1, normal; type 2, superiorly displaced TS; type 3, TS at the oval window; type 4 TS inferior to the oval window; type 5 unclassified. Mastoid segment type 1, normal facial recess (FR)/normal mastoid segment; type 2 narrow FR; type 3, unclassified. RESULTS In meatal segment classification, a narrow IAC was common in ears with cochlear hypoplasia (CH) (76.1%), and only FC was common in ears with severe IEMs (62.7%) such as Michel deformity, common cavity, and cochlear aplasia. Incomplete partition-III has its unique superiorly displaced LS (100%). CH-IV also has its unique mild anterosuperior displacement. Ears with a superiorly displaced TS usually (93.1%) had aplastic or hypoplastic semicircular canals. The FR is likely to be narrow in CH and severe IEMs. CONCLUSIONS The FN route is affected in IEMs, which must be kept in mind when operating on ears with IEMs. Especially in CH cases, all segments of the FN can be abnormal. LEVEL OF EVIDENCE 4 Laryngoscope, 2020. © 2020 The American Laryngological, Rhinological and Otological Society, In

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