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May-June 2019 Archives - AJNR News Digest

May-June 2019

Head & Neck

Measurement for Detection of Incomplete Partition Type II Anomalies on MR Imaging

Katherine Reinshagen

The incomplete partition type II (IP-II) anomaly of the cochlea is one of the most frequently imaging-detected congenital causes of sensorineural hearing loss. Certain imaging features of IP-II have been previously described on CT, including a lack of bony partitions within the cochlea and flattening of the anchor point or interscalar ridge between … more »

Head & Neck

Evaluation of the Normal Cochlear Second Interscalar Ridge Angle and Depth on 3D T2-Weighted Images: A Tool for the Diagnosis of Scala Communis and Incomplete Partition Type II

Timothy Booth

I believe the imaging evaluation of children with sensorineural hearing loss is difficult, often with quite subtle findings. I wanted to report on unique, objective measures to help in the diagnosis of cochlear malformations. Determining the number of cochlear turns can be difficult even for the experienced temporal bone imager. Scala communis is a … more »

Introduction

Inner Ear Malformations: More to Come?

Suresh Mukherji

Inner ear malformations are one of the most challenging and confusing topics in all of neuroradiology (and radiology for that matter). The topic has “haunted” radiology residents for years, and I remember being a petrified fourth-year resident in the spring of 1992 (last century!), preparing for the oral boards and being completely flummoxed … more »