ArticleBMJ case reports2026
Intraoperative high-resolution CT reveals electrode misplacement undetected by skull X-ray following cochlear implantation for IP-III inner ear malformation.
Article in BMJ case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Incomplete partition type III (IP-III) malformation presents unique challenges for cochlear implantation. We report a critical intraoperative imaging comparison in a paediatric IP-III case where traditional skull X-ray failed to reveal the precise location of the cochlear electrode, while high-resolution CT (HRCT) precisely identified the site of electrode displacement. This finding demonstrates a significant limitation of routine radiography in these complex anatomies. Our experience underscores HRCT's critical role in accurately verifying electrode placement for patients with IP-III. Recognising this imaging discrepancy is essential for preventing undiagnosed malposition, guiding surgical revision and optimising auditory outcomes. Our findings support considering intraoperative HRCT as a valuable adjunct for confirming electrode position in IP-III implantation. Further multicentre studies are warranted to establish evidence-based imaging protocols for this challenging patient group.
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