Handling of Nail Specimens

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class="post-1317 page type-page status-publish hentry"> <div class="post-content"> <div class="fusion-fullwidth fullwidth-box hundred-percent-fullwidth non-hundred-percent-height-scrolling" style="background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;"> <div class="fusion-builder-row fusion-row "> <div class="fusion-layout-column fusion_builder_column fusion_builder_column_1_1 fusion-one-full fusion-column-first fusion-column-last 1_1" style="margin-top:0px;margin-bottom:20px;"> <div class="fusion-column-wrapper" style="padding: 0px 0px 0px 0px;background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;" data-bg-url=""> <div class="fusion-title title fusion-title-size-one" style="margin-top:0px;margin-bottom:31px;"> <h1 class="title-heading-left"></h1> <h2 style="text-align: left;">4path’s Evaluation of Nail Specimens for Fungus</h2> <div class="title-sep-container"> <div class="title-sep sep-single sep-solid" style="border-color:#e0dede;"></div> </div> </div> <div class="fusion-clearfix"></div> </div> </div> <div class="fusion-layout-column fusion_builder_column fusion_builder_column_1_1 fusion-one-full fusion-column-first fusion-column-last 1_1" style="margin-top:0px;margin-bottom:20px;"> <div class="fusion-column-wrapper" style="padding: 0px 0px 0px 0px;background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;" data-bg-url=""> <div class="fusion-text"> <p>Because of the many different ways that fungal examination of nails can be ordered, 4path’s policy is to triage nail fungal specimens in the following manner, based on what is generally thought to be best medical practice.</p> <p> <strong> <em>Read the important information about problems with PCR molecular testing for onychomycosis by reviewing the tab lower in this window.</em> </strong> </p> <p> <strong>Dry Nail (Keratin) Specimens</strong> <br>Order for KOH, PAS –  4path will perform histopathology with PAS stain<br> If order includes “culture”   –   4path will include culture specimen in the  final results addended to the surgical pathology report in approximately 14 days.  This provides all information on one, easy to read and file report.</p> <p> <strong>Specimen in Sterile Container</strong> <br> Order <em>includes</em> request for culture  –  4path will perform routine histology with PAS stain for fungus and we will culture portion of specimen for dermatophyte with final results addended to the surgical pathology report in approximately 14 days. </p> <p> <em> <strong>What should you collect and submit?</strong> </em> </p> <p> <strong>For Histologic examination only</strong>:  Fragments of nail with or without subungual currettings (clipping, trimmings, removal, etc.) can be submitted in a clean plastic bag, (supplied by 4path) or in a clean container.   Formalin MAY be added.   Please note: Specimens in formalin are NOT suitable for culture.   Label container and submit with requisition. </p> <p> <strong>Histologic examination WITH CULTURE</strong>: Fragments of nail with or without subungual currettings (clipping, trimmings, removal, etc.) can be submitted in a clean plastic bag, (supplied by 4path) or in a clean sterile container.  Formalin should NOT be added.  Label container and submit with requisition.  Final culture results are typically posted to the surgical pathology report within 14 days. </p> <p> <em>Please note:  4path performs histopathology and PAS stain with every culture order to ensure the highest level of detection of fungal organisms in the submitted sample.  PAS stain sensitivity is superior to culture alone.</em> </p> </div> <div class="fusion-clearfix"></div> </div> </div> <div class="fusion-layout-column fusion_builder_column fusion_builder_column_1_1 fusion-one-full fusion-column-first fusion-column-last 1_1" style="margin-top:0px;margin-bottom:20px;"> <div class="fusion-column-wrapper" style="padding: 0px 0px 0px 0px;background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;" data-bg-url=""> <div class="fusion-sep-clear"></div> <div class="fusion-separator fusion-full-width-sep sep-double sep-solid" style="border-color:#e0dede;border-top-width:1px;border-bottom-width:1px;margin-left: auto;margin-right: auto;margin-top:;"> </div> <div class="fusion-clearfix"></div> </div> </div> <div class="fusion-layout-column fusion_builder_column fusion_builder_column_1_1 fusion-one-full fusion-column-first fusion-column-last 1_1" style="margin-top:0px;margin-bottom:20px;"> <div class="fusion-column-wrapper" style="padding: 0px 0px 0px 0px;background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;" data-bg-url=""> <div class="fusion-tabs fusion-tabs-1 classic vertical-tabs icon-position-left"> <style type="text/css">.fusion-tabs.fusion-tabs-1 .nav-tabs li a{border-top-color:#ebeaea;background-color:#ebeaea;}.fusion-tabs.fusion-tabs-1 .nav-tabs{background-color:#ffffff;}.fusion-tabs.fusion-tabs-1 .nav-tabs li.active a,.fusion-tabs.fusion-tabs-1 .nav-tabs li.active a:hover,.fusion-tabs.fusion-tabs-1 .nav-tabs li.active a:focus{border-right-color:#ffffff;}.fusion-tabs.fusion-tabs-1 .nav-tabs li.active a,.fusion-tabs.fusion-tabs-1 .nav-tabs li.active a:hover,.fusion-tabs.fusion-tabs-1 .nav-tabs li.active a:focus{background-color:#ffffff;}.fusion-tabs.fusion-tabs-1 .nav-tabs li a:hover{background-color:#ffffff;border-top-color:#ffffff;}.fusion-tabs.fusion-tabs-1 .tab-pane{background-color:#ffffff;}.fusion-tabs.fusion-tabs-1 .nav,.fusion-tabs.fusion-tabs-1 .nav-tabs,.fusion-tabs.fusion-tabs-1 .tab-content .tab-pane{border-color:#ebeaea;}</style> <div class="nav"> <ul class="nav-tabs"> <li class="active"> <a class="tab-link" data-toggle="tab" id="fusion-tab-pasandgmsstains" href="#tab-60f80bcc87655a359f5"> <h4 class="fusion-tab-heading">PAS and GMS stains</h4> </a> </li> <li> <a class="tab-link" data-toggle="tab" id="fusion-tab-fungalculture" href="#tab-3e45f625e59756b63d6"> <h4 class="fusion-tab-heading">Fungal Culture</h4> </a> </li> <li> <a class="tab-link" data-toggle="tab" id="fusion-tab-kohexamination" href="#tab-0668d412b8bffa05c82"> <h4 class="fusion-tab-heading">KOH Examination </h4> </a> </li> </ul> </div> <div class="tab-content"> <div class="nav fusion-mobile-tab-nav"> <ul class="nav-tabs"> <li class="active"> <a class="tab-link" data-toggle="tab" id="mobile-fusion-tab-pasandgmsstains" href="#tab-60f80bcc87655a359f5"> <h4 class="fusion-tab-heading">PAS and GMS stains</h4> </a> </li> </ul> </div> <div class="tab-pane fade fusion-clearfix in active" id="tab-60f80bcc87655a359f5" style="min-height: 124px;"> <p>In our opinion, these are the best methods for detection of nail fungus. Although both stains are listed here, the PAS is faster, easier and less expensive. When done properly, the sensitivity between both methods is essentially comparable.</p> <p> <strong>Pro’s:</strong> </p> <ul> <li>Very sensitive when done correctly.</li> <li>Quick and Easy to do in a full service laboratory</li> <li>In our experience…these are more sensitive than culture.</li> <li>Detects fungal organisms in nail that may have become non-viable during transport.</li> <li>Can determine location of fungal growth in nail complex.</li> <li>Can speciate some fungal organisms based on morphology.</li> <li>Can correlate in conjunction with standard histopathology, for examination of other etiologies for nail dystrophy.</li> </ul> <p> <strong>Con’s:</strong> </p> <ul> <li>Best done by laboratories experienced with nail specimens.</li> </ul> <p> <em>PAS STAIN remains the methodology of choice for SENSITIVITY, SPECIFICITY and MOST RAPID Turn-Around-Time.</em> </p> <p>We believe that PAS stain, along with standard histopathology, is sufficient for most diagnostic purposes.  If desired, a <em>reflex</em> GMS stain can be ordered.  In that case, the GMS stain is only performed if the initial PAS stain is negative.  There is <em>no</em> reason to do a second fungal stain if the first is positive.</p> </div> <div class="nav fusion-mobile-tab-nav"> <ul class="nav-tabs"> <li> <a class="tab-link" data-toggle="tab" id="mobile-fusion-tab-fungalculture" href="#tab-3e45f625e59756b63d6"> <h4 class="fusion-tab-heading">Fungal Culture</h4> </a> </li> </ul> </div> <div class="tab-pane fade fusion-clearfix" id="tab-3e45f625e59756b63d6" style="min-height: 124px;"> <p>Culture is considered by some to be the gold standard for evaluation of nails for fungal organisms. However, there are some a major drawbacks to fungal cultures.</p> <p> <strong> Pro’s:</strong>Fungal culture can help speciate fungal types better, however, that may be of limited utility.<br> <strong>Con’s:</strong> Fungal cultures can be contaminated by other sources relatively easily.<br> Cultures take 12 days or more to be considered “negative”.<br> Fungal organisms will only be detected if they are delivered onto the media in a condition where they can live and grow.<br> Should be collected in a “sterile” environment.<br> Provides NO correlation with the location of the fungus growth in the specimen (ie. subungal debris vs. within nail bed).<br> Does not give you a good visual idea of the amount of fungus present.</p> <p> <strong> <em>NOTE: 4path uses a proprietary method (Patent Pending) for evaluation of fungal nail cultures developed by 4path. Using this method, the examination of the fungal culture colonies is taken to a new level. This PATENT PENDING system for fungal culture analysis is available ONLY at 4path.</em> </strong> </p> </div> <div class="nav fusion-mobile-tab-nav"> <ul class="nav-tabs"> <li> <a class="tab-link" data-toggle="tab" id="mobile-fusion-tab-kohexamination" href="#tab-0668d412b8bffa05c82"> <h4 class="fusion-tab-heading">KOH Examination </h4> </a> </li> </ul> </div> <div class="tab-pane fade fusion-clearfix" id="tab-0668d412b8bffa05c82" style="min-height: 124px;"> <p>This is probably the least sensitive method of fungus detection.</p> <p>This method of examination is NOT recommended because of the significant drawbacks of the method.<br> <strong>Pro’s:</strong> </p> <ul> <li>Can be done in the office easily.</li> <li>Quick and easy with minimal chemicals.</li> </ul> <p> <strong>Con’s:</strong> </p> <ul> <li>Probably HIGH level of false negatives, due to insensitive method.</li> <li>Probably only positive in high volume infections.</li> <li>Can’t really see where the fungal growth is.</li> </ul> </div> </div> </div> <div class="fusion-clearfix"></div> </div> </div> <div class="fusion-layout-column fusion_builder_column fusion_builder_column_1_1 fusion-one-full fusion-column-first fusion-column-last 1_1" style="margin-top:0px;margin-bottom:20px;"> <div class="fusion-column-wrapper" style="padding: 0px 0px 0px 0px;background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;" data-bg-url=""> <div class="fusion-title title fusion-title-size-one" style="margin-top:0px;margin-bottom:31px;"> <h1 class="title-heading-left"></h1> <h2 style="text-align: center;">SUMMARY, CONCLUSIONS AND RECOMMENDATIONS</h2> <div class="title-sep-container"> <div class="title-sep sep-single sep-solid" style="border-color:#ffffff;"></div> </div> </div> <div class="fusion-clearfix"></div> </div> </div> <div class="fusion-layout-column fusion_builder_column fusion_builder_column_1_1 fusion-one-full fusion-column-first fusion-column-last 1_1" style="margin-top:0px;margin-bottom:20px;"> <div class="fusion-column-wrapper" style="padding: 0px 0px 0px 0px;background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;" data-bg-url=""> <div class="fusion-text"> <p> <strong>Summary: </strong>We believe that nail evaluations are best done by PAS / histopathology.  The PAS stain is highly sensitive and FAST for getting an answer.  In addition the standard histopathology provides additional insight into the nature of nail dystrophy, such as viral (verruca) or dermatitis (psoriasis), when present.  In our experience with comparison between our PAS stains and cultures, we found that PAS was more sensitive and found infections that were false negatives by culture.  Moreover, we provided that information almost a month earlier than when the cultures were completed. However, cultures may provide the addition of fungal speciation, which may be desired by the submitting physician.</p> <p> <em> <strong>Addendum: </strong> <em>A recent comparison of PAS stains, KOH and Cultures supports the original posting.  In our experience, the PAS stain was positive in nearly all culture positive cases (95.6%) ( (i.e. nearly ALL culture positive cases were detected by PAS).  However. cultures MISSED fungus in nearly 53 % of positive cases, as identified by PAS stain (i.e. culture missed over half of all positive cases)  4path performs all nail, skin and hair fungal cultures in-house for improved performance and turn-around-time.  4path holds fungal cultures for 14 days, the time specified by the culture media provider.  Holding specimens for a longer time period may result in false positive results. 4path has conducted additional studies to determine if holding fungal specimens beyond the recommended 14 days would add sensitivity to the test.  We have NOT found that an additional two weeks of incubation provides significant additional positive cultures.  For that reason, we report testing after the manufactures recommended culture period of 14 days.<br> </em> </em> </p> <p> <strong>Conclusion:  PAS STAIN remains the methodology of choice for SENSITIVITY, SPECIFICITY and MOST RAPID Turn-Around-Time.</strong> </p> <p> <strong>Culture may be added, without additional submission requirements, if desired, with positive cultures reviewed using 4path’s PATENT PENDING analysis system.<br> </strong> </p> <p> <em>We do NOT recommend using EXPENSIVE molecular tests for onychomycosis due to the high cost and increased potential for false positive and false negative results, and the lack of FDA approved test systems.</em> </p> </div> <div class="fusion-clearfix"></div> </div> </div> <div class="fusion-layout-column fusion_builder_column fusion_builder_column_2_3 fusion-two-third fusion-column-first 2_3" style="margin-top:0px;margin-bottom:20px;width:65.3333%; margin-right: 4%;"> <div class="fusion-column-wrapper" style="padding: 0px 0px 0px 0px;background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;" data-bg-url=""> <div class="fusion-text"> <h2>Nail Transport Bag Guarantee</h2> <p>We know that your patient specimens are important.  Even nails.  So when we had the choice between using standard paper envelopes and more expensive Tyvek (TM) envelopes for our nail return envelopes..the choice was easy. And we also included a self-seal strip for ease and security in closure.</p> <p>Don’t settle for paper envelopes that tear and lose your specimens, or envelopes that you have to lick to seal (YUK!), when 4path provides a better solution for both issues.</p> <p>AND….we are SO SURE of our delivery process, that if a nail specimen is ever lost due to <em>envelope failure </em>(assuming that you seal it properly)  we will happily provide analysis on a repeat nail specimen to your patient at no charge.</p> <p>It’s our way of giving you the confidence to use our nail transport system.</p> </div> <div class="fusion-clearfix"></div> </div> </div> <div class="fusion-layout-column fusion_builder_column fusion_builder_column_1_3 fusion-one-third fusion-column-last 1_3" style="margin-top:0px;margin-bottom:20px;width:30.6666%"> <div class="fusion-column-wrapper" style="padding: 0px 0px 0px 0px;background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;" data-bg-url=""> <span class="fusion-imageframe imageframe-none imageframe-1 hover-type-none"> <img src="http://www.4path.com/images/100-guarantee-300x290.jpg?v=1723816547?resize=300%2C290" width="300" height="290" alt="" title="Handling of Nail Specimens" class="img-responsive"> </span> <div class="fusion-clearfix"></div> </div> </div> <div class="fusion-layout-column fusion_builder_column fusion_builder_column_2_3 fusion-two-third fusion-column-first 2_3" style="margin-top:0px;margin-bottom:20px;width:65.3333%; margin-right: 4%;"> <div class="fusion-column-wrapper" style="padding: 0px 0px 0px 0px;background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;" data-bg-url=""> <div class="fusion-text"> <h2>4path’s EXCLUSIVE Onychomycosis Patient Education Program</h2> <p>Every patient has questions when they are presented with a new diagnosis.  And when patients hear that they may have nail fungus…they start asking questions and questions.  Even though the diagnosis of onychomycosis hasn’t been diagnostically established, you get caught answering these questions.  And it happens each and every day for every new patient that you are sampling for onychomycosis.</p> <p>4path Understands this…and we have developed a program that can help you.  Help you get those questions answered for the patient, yet actually take <em>less</em> time than you normally spend on a patient visit.</p> <p>It’s 4path’s unique and exclusive patient nail fungal education program.</p> <p>In this program, 4path provides all patients with nails found to be positive for fungus a copy of the book “My Doctor Says I have Nail Fungus”.  This 55 page paperback book provides patients with information on:</p> <ul> <li>Normal nail anatomy</li> <li>Causes and Risk factors for nail fungus</li> <li>Signs and Symptoms</li> <li>Diagnosis</li> <li>Classification</li> <li>Treatment options</li> <li>Prevention of recurrence</li> <li>…and other topics</li> </ul> <p>So how does this save you time?  When you tell the patient that they may have onychomycosis, you can inform them (using the supplied information card) that they will be getting a book that will answer just about all of their questions.  And they should read that book <em>first</em>, then if there are any remaining questions, they can be answered at the next office visit.</p> <p>This approach allows you to provide the patient with comprehensive information, yet without <em>your </em> time and effort.  Let 4path’s education program do the education for you. That’s what a laboratory can provide when it looks at your practice as a <em>partner and not a revenue source.</em> </p> <p>Want to learn more about this program?  <a href="http://www.4path.com/files/Fungal-Education-Program-Survey-Results-Updated-2-26-2015-Burr-Ridge.pdf?v=1723816593" target="_blank">Click HERE for our flier</a> on our nail program.</p> <p>Once you see the value of our education program, call us at 877-884-7284 (877-88-4path) and let 4path be your partner in onychomycosis evaluation.</p> </div> <div class="fusion-clearfix"></div> </div> </div> <div class="fusion-layout-column fusion_builder_column fusion_builder_column_1_3 fusion-one-third fusion-column-last 1_3" style="margin-top:0px;margin-bottom:20px;width:30.6666%"> <div class="fusion-column-wrapper" style="padding: 0px 0px 0px 0px;background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;" data-bg-url=""> <span class="fusion-imageframe imageframe-none imageframe-2 hover-type-none"> <img src="http://www.4path.com/images/FungalCoverHIGHRES-192x300.jpg?v=1723816734?resize=192%2C300" width="192" height="300" alt="" title="Handling of Nail Specimens" class="img-responsive"> </span> <div class="fusion-clearfix"></div> </div> </div> </div> </div> </div> </div> </section> </div>  </main>  <div class="fusion-footer fusion-footer-parallax"> <footer role="contentinfo" class="fusion-footer-widget-area fusion-widget-area"> <div class="fusion-row"> <div class="fusion-columns fusion-columns-4 fusion-widget-area"> <div class="fusion-column col-lg-3 col-md-3 col-sm-3"> <section id="text-2" class="fusion-footer-widget-column widget widget_text"> <div class="textwidget"> <strong style="color:#333;padding-top:10px;">1.877.88.4path | 1.877.884.7284</strong> </div> <div style="clear:both;"></div> </section>  </div> <div class="fusion-column col-lg-3 col-md-3 col-sm-3"></div> <div class="fusion-column col-lg-3 col-md-3 col-sm-3"> <section id="media_image-5" class="fusion-footer-widget-column widget widget_media_image"> <a href="http://www.genesisbiotechgroup.com/structure/diagnostics/"> <img class="image footer-img" src="https://www.genesisbiotechgroup.com/mods/images/logo_clinical_diagnostics.png" alt="Division of Genesis Clinical Diagnostics" width="350" height="216" /> </a> <div style="clear:both;"></div> </section> </div> <div class="fusion-column fusion-column-last col-lg-3 col-md-3 col-sm-3"> <section id="media_image-4" class="fusion-footer-widget-column widget widget_media_image"> <a href="http://www.genesisbiotechgroup.com/"> <img class="image footer-img" src="http://brewplate.com/4path/wp-content/uploads/2017/08/gbg_member.jpg" alt="4Path Pathology Services" width="1880" height="1020" /> </a> <div style="clear:both;"></div> </section> </div> <div class="fusion-clearfix"></div> </div>  </div>  </footer>  <footer id="footer" class="fusion-footer-copyright-area fusion-footer-copyright-center"> <div class="fusion-row"> <div class="fusion-copyright-content"> <div class="fusion-copyright-notice"> <div> Copyright 2012 - 2024 4path, Ltd. | All Rights Reserved | <a href="http://www.genesisbiotechgroup.com/legal/#privacy">Privacy Policy</a> | <a href=" http://www.genesisbiotechgroup.com/legal">Terms of Service</a> | <a href="legal-page/">Legal</a>  <script async src="https://www.googletagmanager.com/gtag/js?id=UA-18558117-29"></script> <script> window.dataLayer = window.dataLayer || []; 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