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&lt;p&gt;Photon counting CT allows for improved spatial and contrast resolution as compared to traditional energy integrating detector CT. Photon counting CT offers markedly improved visualization of previously described structures, as well as those that were previously beyond the resolution of imaging. Although the anatomical details of the external ear and middle ear structures have been described previously, the rich detail of these structures has not been comprehensively reviewed in the radiology literature. The microarchitecture of the middle ear ossicles and bony protuberances are particularly well visualized on photon counting CT. This manuscript updates the existing literature with a detailed anatomical review of external ear and the middle ear on temporal bone CT.&lt;/p&gt;&lt;p&gt;ABBREVIATIONS: EID, energy-integrating detector; PCT, photon-counting computed tomography&lt;/p&gt;" />
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      <div class="highwire-cite-overline"><span  class="highwire-cite-metadata-article-type highwire-cite-metadata">Review Article</span><span class="separator-pipe"></span><span  class="highwire-cite-metadata-art-cat highwire-cite-metadata"><span class="wrapper">REVIEW ARTICLE</span></span></div>
  
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      <h1 class="highwire-cite-title" id="page-title">Comprehensive Review of External and Middle Ear Anatomy on Photon Counting CT</h1>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">Dinesh Rao</span>, <span class="highwire-citation-author" data-delta="1">John V. Murray</span>, <span class="highwire-citation-author" data-delta="2">Amit K. Agarwal</span>, <span class="highwire-citation-author" data-delta="3">Sukhwinder Johnny Sandhu</span> and <span class="highwire-citation-author" data-delta="4">Pat A. Rhyner</span></span></div>
  
    	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-journal highwire-cite-metadata">American Journal of Neuroradiology </span><span  class="highwire-cite-metadata-date highwire-cite-metadata">May 2024,  </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">ajnr.A8359; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata">DOI: https://doi.org/10.3174/ajnr.A8359 </span></div>
  
  
  
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<div id="hw-article-author-popups-top-node-107915--61834100100" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">Dinesh Rao </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'>From the Department of Radiology (DR), (JVM), (AKA), (SJS), (PAR), Mayo Clinic, Jacksonville, FL, USA. From the Departments of Radiology (.DR, J.V.M, A.A, S.J.S, P.A.R) Mayo Clinic, Jacksonville, Florida</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=Dinesh%2BRao%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Rao%20D&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3ADinesh%2BRao%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-1"><div class="author-tooltip-name">John V. Murray </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'>From the Department of Radiology (DR), (JVM), (AKA), (SJS), (PAR), Mayo Clinic, Jacksonville, FL, USA. From the Departments of Radiology (.DR, J.V.M, A.A, S.J.S, P.A.R) Mayo Clinic, Jacksonville, Florida</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=John%2BV.%2BMurray%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Murray%20JV&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3AJohn%2BV.%2BMurray%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-2"><div class="author-tooltip-name">Amit K. Agarwal </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'>From the Department of Radiology (DR), (JVM), (AKA), (SJS), (PAR), Mayo Clinic, Jacksonville, FL, USA. From the Departments of Radiology (.DR, J.V.M, A.A, S.J.S, P.A.R) Mayo Clinic, Jacksonville, Florida</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=Amit%2BK.%2BAgarwal%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Agarwal%20AK&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3AAmit%2BK.%2BAgarwal%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-3"><div class="author-tooltip-name">Sukhwinder Johnny Sandhu </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'>From the Department of Radiology (DR), (JVM), (AKA), (SJS), (PAR), Mayo Clinic, Jacksonville, FL, USA. From the Departments of Radiology (.DR, J.V.M, A.A, S.J.S, P.A.R) Mayo Clinic, Jacksonville, Florida</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=Sukhwinder%2BJohnny%2BSandhu%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Sandhu%20SJ&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3ASukhwinder%2BJohnny%2BSandhu%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-4"><div class="author-tooltip-name">Pat A. 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      <div class="highwire-cite-title">Comprehensive Review of External and Middle Ear Anatomy on Photon Counting CT</div>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0"><span class="nlm-given-names">Dinesh</span> <span class="nlm-surname">Rao</span></span>, <span class="highwire-citation-author" data-delta="1"><span class="nlm-given-names">John V.</span> <span class="nlm-surname">Murray</span></span>, <span class="highwire-citation-author" data-delta="2"><span class="nlm-given-names">Amit K.</span> <span class="nlm-surname">Agarwal</span></span>, <span class="highwire-citation-author" data-delta="3"><span class="nlm-given-names">Sukhwinder Johnny</span> <span class="nlm-surname">Sandhu</span></span>, <span class="highwire-citation-author" data-delta="4"><span class="nlm-given-names">Pat A.</span> <span class="nlm-surname">Rhyner</span></span></span></div>
  
    	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-journal highwire-cite-metadata">American Journal of Neuroradiology </span><span  class="highwire-cite-metadata-date highwire-cite-metadata">May 2024, </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">ajnr.A8359; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata"><span class="label">DOI:</span> 10.3174/ajnr.A8359 </span></div>
  
  
  
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    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0"><span class="nlm-given-names">Dinesh</span> <span class="nlm-surname">Rao</span></span>, <span class="highwire-citation-author" data-delta="1"><span class="nlm-given-names">John V.</span> <span class="nlm-surname">Murray</span></span>, <span class="highwire-citation-author" data-delta="2"><span class="nlm-given-names">Amit K.</span> <span class="nlm-surname">Agarwal</span></span>, <span class="highwire-citation-author" data-delta="3"><span class="nlm-given-names">Sukhwinder Johnny</span> <span class="nlm-surname">Sandhu</span></span>, <span class="highwire-citation-author" data-delta="4"><span class="nlm-given-names">Pat A.</span> <span class="nlm-surname">Rhyner</span></span></span></div>
  
    	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-journal highwire-cite-metadata">American Journal of Neuroradiology </span><span  class="highwire-cite-metadata-date highwire-cite-metadata">May 2024, </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">ajnr.A8359; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata"><span class="label">DOI:</span> 10.3174/ajnr.A8359 </span></div>
  
  
  
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