Cochlear Implants Linked to New Bone Formation, Increased Hearing Loss (IMAGE)

Radiological Society of North America

Cochlear Implants Linked to New Bone Formation, Increased Hearing Loss

Caption

Midmodiolar ultra-high-spatial-resolution CT scans with corresponding annotations indicating new bone formation (NBF) in red. Note the varying appearance of NBF, ranging from (A) slightly increased attenuation, resembling that of the modiolus, to (D) frank ossification with an attenuation similar to that of the otic capsule surrounding a translocated contact in the scala vestibuli. An intermediate form of NBF appearance is shown in B and C. Moreover, in B, the ossification between the perimodiolar positioned electrode contact and the medial cochlear wall is difficult to discern, resulting in interrater disagreement.

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Radiological Society of North America

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