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<meta name="description" content="Endoscopic ultrasonography (EUS) was evaluated in the diagnosis of carcinoma of the papilla of Vater. Thirteen cases of carcinoma of the papilla examined by EUS were investigated with the aim of assessing the detection capability of EUS in comparison with other diagnostic tools, and its usefulness i …"><meta name="keywords" content="pmid:3049060, doi:10.1055/s-2007-1018179, K Yasuda, H Mukai, K Kawai, Aged, Aged, 80 and over, Ampulla of Vater / pathology*, Common Bile Duct Neoplasms / diagnosis*, Endoscopy, Female, Humans, Male, Middle Aged, Neoplasm Staging, Ultrasonography / methods*, PubMed Abstract, NIH, NLM, NCBI, National Institutes of Health, National Center for Biotechnology Information, National Library of Medicine, MEDLINE"><meta name="robots" content="index,nofollow,noarchive"><meta property="og:title" content="The use of endoscopic ultrasonography in the diagnosis and staging of carcinoma of the papilla of Vater - PubMed"><meta property="og:url" content="https://pubmed.ncbi.nlm.nih.gov/3049060/"><meta property="og:description" content="Endoscopic ultrasonography (EUS) was evaluated in the diagnosis of carcinoma of the papilla of Vater. Thirteen cases of carcinoma of the papilla examined by EUS were investigated with the aim of assessing the detection capability of EUS in comparison with other diagnostic tools, and its usefulness i …"><meta property="og:image" content="https://cdn.ncbi.nlm.nih.gov/pubmed/persistent/pubmed-meta-image-v2.jpg"><meta property="og:image:secure_url" content="https://cdn.ncbi.nlm.nih.gov/pubmed/persistent/pubmed-meta-image-v2.jpg"><meta property="og:type" content="website"><meta property="og:site_name" content="PubMed"><meta name="twitter:domain" content="pubmed.ncbi.nlm.nih.gov"><meta name="twitter:card" content="summary_large_image"><meta name="twitter:title" content="The use of endoscopic ultrasonography in the diagnosis and staging of carcinoma of the papilla of Vater - PubMed"><meta name="twitter:url" content="https://pubmed.ncbi.nlm.nih.gov/3049060/"><meta name="twitter:description" content="Endoscopic ultrasonography (EUS) was evaluated in the diagnosis of carcinoma of the papilla of Vater. Thirteen cases of carcinoma of the papilla examined by EUS were investigated with the aim of assessing the detection capability of EUS in comparison with other diagnostic tools, and its usefulness i …"><meta name="twitter:image" content="https://cdn.ncbi.nlm.nih.gov/pubmed/persistent/pubmed-meta-image-v2.jpg">


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<meta name="citation_title" content="The use of endoscopic ultrasonography in the diagnosis and staging of carcinoma of the papilla of Vater">

  
    <meta name="citation_authors" content="Yasuda K;Mukai H;Cho E;Nakajima M;Kawai K;">
  


  
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        <label for="email-to" class="action-panel-label required-field-asterisk">
          To:
        </label>
        <input type="email" aria-label="Recipient Email Address"  placeholder="email@example.com" id="email-to" class="email-to" pattern="^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$" maxlength="100" required>
      </div>

      <div class="action-panel-control-wrap">
        <label for="email-from" class="action-panel-label">
          From:
        </label>
        <input type="email" aria-label="Sender Email Address"  placeholder="email@example.com" id="email-from" class="email-from" pattern="^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$" maxlength="256">
      </div>

      

      <div class="action-panel-control-wrap">
        <label for="email-citation-format" class="action-panel-label">
          Format:
        </label>
        <select id="email-citation-format" name="citation-format" class="action-panel-selector email-citation-format">
          <option selected="selected" value="summary">Summary</option>
          <option value="summary-text">Summary (text)</option>
          <option value="abstract">Abstract</option>
          <option value="abstract-text">Abstract (text)</option>
          
        </select>
      </div>
      <div class="include-supplemental-container">
        <input type="checkbox"  aria-label="Include MeSH and other data" name="include-supplemental" id="email-include-supplemental" class="email-include-supplemental">
        <label for="email-include-supplemental" class="email-include-supplemental-label">MeSH and other data</label>
      </div>

      
        
<div class="form-field recaptcha ">
  

  
    <div class="g-recaptcha" id="id-recaptcha" data-sitekey="6LfsWHMdAAAAAClKbtOpjQ2pMjgsGxvv7NdZW9uI"></div>
  

  

  
</div>
<div id="captcha-error-message" class="usa-input-error-message captcha-validation-message" role="alert"></div>

      

      <div class="action-panel-actions">
        <button class="action-panel-submit"
                type="submit"
                data-loading-label="Sending..."
                data-ga-category="save_share"
                data-ga-action="email"
                data-ga-label="send">
          Send email
        </button>
        <button class="action-panel-cancel"
                aria-label="Close 'Email citations' panel"
                ref="linksrc=close_email_panel"
                aria-controls="email-action-panel"
                aria-expanded="false"
                data-ga-category="save_share"
                data-ga-action="email"
                data-ga-label="cancel">
          Cancel
        </button>
      </div>
      <input type="hidden" name="email-search-details" value="" />
      <input type="hidden" name="email-search-details-hash" value="0e42663a6c3bd85498fcb88798998fed7bfdc45d457db35281e41afe13cc0524" />
    </form>
  </div>
</div>

      <div id="collections-action-panel"
     class="collections-action-panel action-panel in-progress-dots-panel"
     aria-hidden="true"
     data-collections-open-panel-enabled="false"
     data-collections-open-panel-url-hash="#open-collections-panel">
  <div class="inner-wrap">
    <h3 class="action-panel-heading">
      Add to Collections
    </h3>
    

<form id="collections-action-panel-form"
      class="collections-action-panel-form action-panel-content action-form action-panel-smaller-selectors"
      data-existing-collections-url="/list-existing-collections/"
      data-add-to-existing-collection-url="/add-to-existing-collection/"
      data-create-and-add-to-new-collection-url="/create-and-add-to-new-collection/"
      data-get-article-ids-by-search-url="/get-article-ids-by-search/"
      data-myncbi-max-collection-name-length="100"
      data-add-to-collection-max-amount="1000"
      data-collections-root-url="https://www.ncbi.nlm.nih.gov/myncbi/collections/">

  <input type="hidden" name="csrfmiddlewaretoken" value="jTM8EfzijCxYENffCmdRlh5PVmSgkpSaAGwdh52ETdksyel5fFQTPpBttqAsd0qu">

  

  <div class="choice-group" role="radiogroup">
    <ul class="radio-group-items">
      <li>
        <input type="radio"
               id="collections-action-panel-new"
               class="collections-new"
               name="collections"
               value="new"
               data-ga-category="save_share"
               data-ga-action="collections"
               data-ga-label="collections_radio_new">
        <label for="collections-action-panel-new">Create a new collection</label>
      </li>
      <li>
        <input type="radio"
               id="collections-action-panel-existing"
               class="collections-existing"
               name="collections"
               value="existing"
               checked="true"
               data-ga-category="save_share"
               data-ga-action="collections"
               data-ga-label="collections_radio_existing">
        <label for="collections-action-panel-existing">Add to an existing collection</label>
      </li>
    </ul>
  </div>

  <div class="controls-wrapper">
    <div class="action-panel-control-wrap new-collections-controls">
      <label for="collections-action-panel-add-to-new" class="action-panel-label required-field-asterisk">
        Name your collection:
      </label>
      <input
        type="text"
        name="add-to-new-collection"
        id="collections-action-panel-add-to-new"
        class="collections-action-add-to-new"
        pattern="[^&quot;&amp;=&lt;&gt;\/]*" title="The following characters are not allowed in the Name field: &quot;&amp;=&lt;&gt;/"
        maxlength="100"
        data-ga-category="save_share"
        data-ga-action="create_collection"
        data-ga-label="non_favorties_collection">
      <div class="collections-new-name-too-long usa-input-error-message selection-validation-message">
        Name must be less than 100 characters
      </div>
    </div>
    <div class="action-panel-control-wrap existing-collections-controls">
      <label for="collections-action-panel-add-to-existing" class="action-panel-label">
        Choose a collection:
      </label>
      <select id="collections-action-panel-add-to-existing"
              class="action-panel-selector collections-action-add-to-existing"
              data-ga-category="save_share"
              data-ga-action="select_collection"
              data-ga-label="($('#collections-action-add-to-existing').val() === 'Favorites') ? 'Favorites' : 'non_favorites_collection'">
      </select>
      <div class="collections-retry-load-on-error usa-input-error-message selection-validation-message">
        Unable to load your collection due to an error<br>
        <a href="#">Please try again</a>
      </div>
    </div>
  </div>

  <div class="action-panel-actions">
    <button class="action-panel-submit"
            type="submit"
            data-loading-label="Adding..."
            data-pinger-ignore
            data-ga-category="save_share"
            data-ga-action="collections"
            data-ga-label="add">
      Add
    </button>
    <button class="action-panel-cancel"
            aria-label="Close 'Add to Collections' panel"
            ref="linksrc=close_collections_panel"
            aria-controls="collections-action-panel"
            aria-expanded="false"
            data-ga-category="save_share"
            data-ga-action="collections"
            data-ga-label="cancel">
      Cancel
    </button>
  </div>
</form>
  </div>
</div>

      <div id="bibliography-action-panel"
     class="bibliography-action-panel action-panel in-progress-dots-panel"
     aria-hidden="true"
     data-bibliography-open-panel-enabled="false"
     data-bibliography-open-panel-url-hash="#open-bibliography-panel">
  <div class="inner-wrap">
    <h3 class="action-panel-heading">
      Add to My Bibliography
    </h3>
    <form id="bibliography-action-panel-form"
          class="bibliography-action-panel-form action-panel-content action-form action-panel-smaller-selectors"
          data-add-to-bibliography-max-amount="100"
          data-add-to-bibliography-batch-size="10"
          data-bibliography-delegates-url="/list-bibliography-delegates/"
          data-add-to-bibliography-url="/add-to-bibliography/"
          data-get-article-ids-by-search-url="/get-article-ids-by-search/"
          data-mybib-root-url="https://www.ncbi.nlm.nih.gov/myncbi/collections/mybibliography/">

      <input type="hidden" name="csrfmiddlewaretoken" value="jTM8EfzijCxYENffCmdRlh5PVmSgkpSaAGwdh52ETdksyel5fFQTPpBttqAsd0qu">

      

      <div class="action-panel-control-wrap bibliographies-controls">
        <div class="choice-group">
          <ul class="bibliographies-action-add radio-group-items">
            <li>
              <input name="bibliography" id="my-bibliography" class="my-bibliography" type="radio" checked/>
              <label for="my-bibliography">My Bibliography</label>
            </li>
          </ul>
        </div>
      </div>

      <div class="bibliographies-retry-load-on-error usa-input-error-message selection-validation-message">
        Unable to load your delegates due to an error<br>
        <a href="#">Please try again</a>
      </div>

      <div class="action-panel-actions">
        <button class="action-panel-submit"
                type="submit"
                data-loading-label="Adding..."
                data-pinger-ignore>
          Add
        </button>
        <button class="action-panel-cancel"
                aria-label="Close 'Add to bibliography' panel"
                ref="linksrc=close_bibliography_panel"
                aria-controls="bibliography-action-panel"
                aria-expanded="false"
                data-ga-category="save_share"
                data-ga-action="mybib"
                data-ga-label="cancel">
          Cancel
        </button>
      </div>
    </form>
  </div>
</div>

      


<div id="saved-search-action-panel" class="saved-search-action-panel action-panel " aria-hidden="true"
     data-saved-search-open-panel-enabled="false"
     data-saved-search-open-panel-url-hash="#open-saved-search-panel">
  <div class="inner-wrap">
    <h2 class="action-panel-heading">
      Your saved search
    </h2>

    <form id="saved-search-action-panel-form"
          class="saved-search-action-panel-form action-panel-content action-form"
          data-create-saved-search-url="/create-saved-search/"
          data-try-search-terms-url="/try-search-term/"
          data-saved-search-root-url="https://www.ncbi.nlm.nih.gov/myncbi/searches/">

      <input type="hidden" name="csrfmiddlewaretoken" value="jTM8EfzijCxYENffCmdRlh5PVmSgkpSaAGwdh52ETdksyel5fFQTPpBttqAsd0qu">

      <div class="action-panel-control-wrap">
        <label for="saved-search-name" class="action-panel-label saved-search-name-label required-field-asterisk">
          Name of saved search:
        </label>
        <input maxlength="200"
               type="text"
               name="saved-search-name"
               id="saved-search-name"
               class="saved-search-name"
               value=""
               required
               pattern="[^&quot;&amp;=&lt;&gt;\/]*" title="The following characters are not allowed in the Name field: &quot;&amp;=&lt;&gt;/">
      </div>

      <div class="action-panel-control-wrap">
        <label for="saved-search-term" class="action-panel-label required-field-asterisk">
          Search terms:
        </label>
        <textarea name="saved-search-term" id="saved-search-term" class="saved-search-term" required></textarea>
      </div>
      <div class="test-search-term-wrap">
        <a href="#" class="try-search-term">Test search terms</a>
      </div>
      <div class="choice-group action-panel-extra-margin-top">
        <span class="action-panel-label" id="fieldset-label">
          Would you like email updates of new search results?
        </span>
        <fieldset id="saved-search-alert" aria-describedby="fieldset-label">
          <legend class="usa-sr-only">Saved Search Alert Radio Buttons</legend>
          <ul class="radio-group-items">
            <li>
              <input type="radio" id="saved-search-alert-yes" class="saved-search-alert-yes" name="saved-search-alert" value="yes" checked>
              <label for="saved-search-alert-yes" class="action-panel-label">Yes</label>
            </li>
            <li>
              <input aria-label="No radio input" type="radio" id="saved-search-alert-no" class="saved-search-alert-no" name="saved-search-alert" value="no">
              <label for="saved-search-alert-no" class="action-panel-label">No</label>
            </li>
          </ul>
        </fieldset>
      </div>

      <div class="alert-schedule-wrap">
        <div class="action-panel-control-wrap">
          <label class="action-panel-label">
            Email:
          </label>
          <span aria-label="Email address" id="saved-search-email" class="action-panel-label"><span class="action-panel-label-bold"></span> (<a class="myncbi-account-settings" href="https://www.ncbi.nlm.nih.gov/account/settings/">change</a>)</span>
        </div>
        <div class="action-panel-control-wrap action-panel-extra-margin-top">
          <label for="saved-search-frequency" class="action-panel-label">
            Frequency:
          </label>
          <select id="saved-search-frequency" class="no-border-panel-selector saved-search-frequency">
            <option value="monthly">Monthly</option>
            <option value="weekly">Weekly</option>
            <option value="daily">Daily</option>
          </select>
        </div>
        <div class="action-panel-control-wrap saved-search-monthly-additional">
          <label for="saved-search-monthly-on-day" class="action-panel-label">
            Which day?
          </label>
          <select id="saved-search-monthly-on-day" class="no-border-panel-selector">
            <option value="Sunday">The first Sunday</option>
            <option value="Monday">The first Monday</option>
            <option value="Tuesday">The first Tuesday</option>
            <option value="Wednesday">The first Wednesday</option>
            <option value="Thursday">The first Thursday</option>
            <option value="Friday">The first Friday</option>
            <option value="Saturday">The first Saturday</option>
            <option value="day">The first day</option>
            <option value="weekday">The first weekday</option>
          </select>
        </div>
        <div class="action-panel-control-wrap saved-search-weekly-additional">
          <label for="saved-search-weekly-on-day" class="action-panel-label">
            Which day?
          </label>
          <select id="saved-search-weekly-on-day" class="no-border-panel-selector saved-search-weekly-on-day">
            <option value="Sunday">Sunday</option>
            <option value="Monday">Monday</option>
            <option value="Tuesday">Tuesday</option>
            <option value="Wednesday">Wednesday</option>
            <option value="Thursday">Thursday</option>
            <option value="Friday">Friday</option>
            <option value="Saturday">Saturday</option>
          </select>
        </div>
        <div class="action-panel-control-wrap">
          <label for="saved-search-report" class="action-panel-label">
            Report format:
          </label>
          <select id="saved-search-report" class="no-border-panel-selector saved-search-report">
            <option value="DocSum">Summary</option>
            <option value="DocSumText">Summary (text)</option>
            <option value="Abstract">Abstract</option>
            <option value="AbstractText">Abstract (text)</option>
            <option value="MEDLINE">PubMed</option>
          </select>
        </div>
        <div class="action-panel-control-wrap">
          <label for="saved-search-amount" class="action-panel-label">
            Send at most:
          </label>
          <select id="saved-search-amount" class="no-border-panel-selector saved-search-amount">
            <option value="1">1 item</option>
            <option value="5" selected>5 items</option>
            <option value="10">10 items</option>
            <option value="20">20 items</option>
            <option value="50">50 items</option>
            <option value="100">100 items</option>
            <option value="200">200 items</option>
          </select>
        </div>
        <div>
          <input type="checkbox" id="saved-search-send-if-no-result" class="saved-search-send-if-no-result" name="saved-search-send-if-no-result">
          <label for="saved-search-send-if-no-result" class="action-panel-label smaller-checkbox">
            Send even when there aren't any new results
          </label>
        </div>
        <div class="action-panel-control-wrap option-text-in-email-wrap">
          <label for="saved-search-email-text" class="action-panel-label">
            Optional text in email:
          </label>
          <textarea name="saved-search-email-text"
                    id="saved-search-email-text"
                    class="saved-search-email-text"></textarea>
        </div>
        
      </div>

      <div class="action-panel-actions">
        <button class="action-panel-submit"
                type="submit"
                data-loading-label="Saving..."
                data-ga-category="save_share"
                data-ga-action="alert"
                data-ga-label="save">
          Save
        </button>
        <button class="action-panel-cancel"
                aria-label="Close 'Your saved search' panel"
                ref="linksrc=close_saved_search_panel"
                aria-controls="saved-search-action-panel"
                aria-expanded="false"
                data-ga-category="save_share"
                data-ga-action="alert"
                data-ga-label="cancel">
          Cancel
        </button>
      </div>
    </form>
  </div>
</div>

      <div id="citation-manager-action-panel" class="citation-manager-action-panel action-panel" aria-hidden="true">
  <div class="inner-wrap">
    <h2 class="action-panel-heading">
      Create a file for external citation management software
    </h2>
    <form id="citation-manager-action-panel-form"
          class="action-panel-content action-form"
          action="/results-export-ids/"
          data-by-search-action="/results-export-search-data/"
          data-by-ids-action="/results-export-ids/"
          method="post"
          data-by-search-method="post"
          data-by-ids-method="post">

      <input type="hidden" name="csrfmiddlewaretoken" value="jTM8EfzijCxYENffCmdRlh5PVmSgkpSaAGwdh52ETdksyel5fFQTPpBttqAsd0qu">

      

      <input name="results-format" type="hidden" value="pubmed"/>

      <div class="action-panel-actions">
        <button class="action-panel-submit"
                type="submit"
                data-loading-label="Sending..."
                data-ga-category="save_share"
                data-ga-action="citation_manager"
                data-ga-label="save">
          Create file
        </button>
        <button class="action-panel-cancel"
                aria-label="Close 'Send citations to citation manager' panel"
                ref="linksrc=close_citation_manager_panel"
                aria-controls="citation-manager-action-panel"
                aria-expanded="false"
                data-ga-category="save_share"
                data-ga-action="citation_manager"
                data-ga-label="cancel">
          Cancel
        </button>
      </div>
    </form>
  </div>
</div>

      


<div id="rss-action-panel" class="rss-action-panel action-panel " aria-hidden="true">
  <div class="inner-wrap">
    <h2 class="action-panel-heading">
      Your RSS Feed
    </h2>

    <form id="rss-action-panel-form"
          class="rss-action-panel-form action-panel-content action-form"
          data-create-rss-feed-url="/create-rss-feed-url/"
          data-search-form-term-value="">

      <input type="hidden" name="csrfmiddlewaretoken" value="jTM8EfzijCxYENffCmdRlh5PVmSgkpSaAGwdh52ETdksyel5fFQTPpBttqAsd0qu">

      <div class="action-panel-control-wrap">
        <label for="rss-name" class="action-panel-label required-field-asterisk">
          Name of RSS Feed:
        </label>
        <input maxlength="200"
               placeholder="Name"
               type="text"
               name="rss-name"
               id="rss-name"
               class="rss-name"
               value=''
               required
               pattern="[^&quot;&amp;=&lt;&gt;\/]*" title="The following characters are not allowed in the Name field: &quot;&amp;=&lt;&gt;/">
      </div>

      <div class="rss-limit-wrap">
        <div class="action-panel-control-wrap action-panel-extra-margin-top">
          <label for="rss-limit" class="action-panel-label">
            Number of items displayed:
          </label>
          <select id="rss-limit" class="no-border-panel-selector rss-limit">
            <option value="5">5</option>
            <option value="10">10</option>
            <option value="15" selected="selected">15</option>
            <option value="20">20</option>
            <option value="50">50</option>
            <option value="100">100</option>
          </select>
        </div>
      </div>

      <div class="action-panel-actions">
        <button class="action-panel-submit"
                type="submit"
                data-loading-label="Creating..."
                data-ga-category="save_share"
                data-ga-action="alert"
                data-ga-label="save">
          Create RSS
        </button>
        <button class="action-panel-cancel"
                aria-label="Close 'Your RSS' panel"
                ref="linksrc=close_rss_panel"
                aria-controls="rss-action-panel"
                aria-expanded="false"
                data-ga-category="save_share"
                data-ga-action="alert"
                data-ga-label="cancel">
          Cancel
        </button>
      </div>

      <div class="action-panel-control-wrap rss-link-copy-wrap">
        <label for="rss-link" class="usa-sr-only">RSS Link</label>
        <input placeholder="Your RSS Feed Link" type="text" name="rss-link" id="rss-link" class="rss-link" title="RSS Link">
        <button
          type="button"
          disabled
          class="rss-link-copy-button disabled"
          data-ga-category="save_share"
          data-ga-action="rss"
          data-ga-label="copy">
          Copy
        </button>
      </div>
    </form>
  </div>
</div>

    </div>
  </div>

  <div class="article-page" id="article-page" data-article-pmid="3049060">
    <aside class="page-sidebar">
  <div class="inner-wrap">
    
  <div class="full-text-links">
    <div class="full-view">
      <h3 class="title">
        Full text links
      </h3>
      <div class="full-text-links-list">
  <a class="link-item
                
                dialog-focus"
         href="https://www.thieme-connect.com/DOI/DOI?10.1055/s-2007-1018179"
         target="_blank"
         rel="noopener"
         
         ref="linksrc=fulltextorjournal_fulltext&amp;is_pmc=False&amp;PrId=3400&amp;itool=Abstract-def&amp;log$=linkouticon&amp;uid=3049060&amp;db=pubmed&amp;nlmid=0215166"
         title="See full text options at Georg Thieme Verlag Stuttgart, New York"
         
         data-ga-category="full_text"
         data-ga-action="Georg Thieme Verlag Stuttgart, New York"
         data-ga-label="3049060"
      ><img src="https://cdn.ncbi.nlm.nih.gov/corehtml/query/egifs/https:--cdn.thieme.de-thiemede-Thieme-Connect_NO%20FREE_LinkOut_Logo120x30.jpg" alt="Georg Thieme Verlag Stuttgart, New York full text link"><span class="text">
            
              Georg Thieme Verlag Stuttgart, New York
            
          </span></a>
</div>

    </div>

    <div class="short-view">
      <a href="#" class="full-text-links-button full-text-links-dialog-trigger">
        Full text links
      </a>
    </div>
  </div>


    

<div class="actions-buttons sidebar"><h3 class="title">Actions</h3><div class="inner-wrap"><button class="citation-button citation-dialog-trigger"
              aria-label="Open dialog with citation text in different styles"
              data-ga-category="save_share"
              data-ga-action="cite"
              data-ga-label="open"
              data-all-citations-url="/3049060/citations/"
              data-citation-style="nlm"
              data-pubmed-format-link="/3049060/export/"><span class="button-label">Cite</span></button><link type="text/css" href="ncbi-overlay-block/src/overlay-block.css"><div class="collections-button-container" data-article-id="3049060" data-article-db="pubmed"><button class="collections-button collections-dialog-trigger"
          aria-label="Save article in MyNCBI collections."
          data-ga-category="collections_button"
          data-ga-action="click"
          data-ga-label="collections_button"
          data-collections-open-dialog-enabled="false"
          data-collections-open-dialog-url="https://account.ncbi.nlm.nih.gov/?back_url=https%3A%2F%2Fpubmed.ncbi.nlm.nih.gov%2F3049060%2F%23open-collections-dialog"
          data-in-collections="false"><span class="button-label">Collections</span></button><div class="overlay" role="dialog"><div id="collections-action-dialog"
       class="dialog collections-dialog"
       aria-hidden="true"><div class="title">Add to Collections</div><div class="collections-action-panel action-panel"><form id="collections-action-dialog-form"
      class="collections-action-panel-form action-panel-content action-form action-panel-smaller-selectors"
      data-existing-collections-url="/list-existing-collections/"
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      Endoscopic ultrasonography (EUS) was evaluated in the diagnosis of carcinoma of the papilla of Vater. Thirteen cases of carcinoma of the papilla examined by EUS were investigated with the aim of assessing the detection capability of EUS in comparison with other diagnostic tools, and its usefulness in diagnosing the extent of the tumor. The EUS image of the normal papilla of Vater presents as a round protruded region with the layered structure of the duodenal papilla along with images of periampullary organs. All but one of 13 tumors of the duodenal papilla presented as a hypoechoic solid mass at EUS. On the basis of an analysis of the layered structure of the papilla of Vater and/or the duodenal wall, EUS images of 12 cases of ampullary carcinoma confirmed histologically were analysed. The EUS images of the tumors of the duodenal papilla corresponded well with the histological findings. When the extent of carcinoma was classified in 4 stages by EUS, the accuracy rate was 83%. EUS is one of the most promising procedures for determining the extent of tumors of the duodenal papilla.
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