{"id":1747,"date":"2013-06-17T13:30:11","date_gmt":"2013-06-17T00:30:11","guid":{"rendered":"http:\/\/microbiologymatters.com\/?page_id=1747"},"modified":"2024-01-12T16:08:43","modified_gmt":"2024-01-12T03:08:43","slug":"microbiology-picture-quiz-number-8-answers","status":"publish","type":"page","link":"https:\/\/microbiologymatters.com\/?page_id=1747","title":{"rendered":"Microbiology Picture Quiz: Number 8: Answers"},"content":{"rendered":"<p>Have a look at the picture below and answer the questions below.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/microbiologymatters.com\/wp-content\/uploads\/2013\/06\/Enterobius_vermicularis.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-2410\" src=\"https:\/\/i0.wp.com\/microbiologymatters.com\/wp-content\/uploads\/2013\/06\/Enterobius_vermicularis.png?resize=300%2C200\" alt=\"Enterobius_vermicularis\" width=\"300\" height=\"200\" srcset=\"https:\/\/i0.wp.com\/microbiologymatters.com\/wp-content\/uploads\/2013\/06\/Enterobius_vermicularis.png?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/microbiologymatters.com\/wp-content\/uploads\/2013\/06\/Enterobius_vermicularis.png?resize=1024%2C683&amp;ssl=1 1024w, https:\/\/i0.wp.com\/microbiologymatters.com\/wp-content\/uploads\/2013\/06\/Enterobius_vermicularis.png?w=1801&amp;ssl=1 1801w, https:\/\/i0.wp.com\/microbiologymatters.com\/wp-content\/uploads\/2013\/06\/Enterobius_vermicularis.png?w=1208 1208w\" sizes=\"(max-width: 300px) 100vw, 300px\" data-recalc-dims=\"1\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #0000ff;\">1) What type of sample is this likely to be and what is the diagnosis?<\/span><\/p>\n<p><span style=\"color: #ff0000;\">This is a &#8220;sellotape slide&#8221; demonstrating eggs of Enterobius vermicularis (pinworm\/threadworm). A strip of sellotape is applied to the peri-anal area just after the patient awakes (before washing)\u00a0and then applied to a microscope slide. Three slides on consecutive mornings are recommended to increase sensitivity.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">\u00a0<\/span><span style=\"color: #0000ff;\">2) What are the other ways to diagnose this micro-organism? (What type of sample is not recommended?)<\/span><\/p>\n<p><span style=\"color: #ff0000;\">The eggs\u00a0can also be looked for in a sample from the patient&#8217;s fingernails. (itch\/pruritis is a cardinal feature of this infection&#8230;.)<\/span><\/p>\n<p><span style=\"color: #ff0000;\">A stool sample is NOT recommended for laboratory diagnosis of Enterobius infections as the eggs are &#8220;diluted&#8221;, increasing the risk of false negative results.<\/span><\/p>\n<p><span style=\"color: #ff0000;\">Sometimes the diagnosis is obvious clinically and the worms can be visualised on the peri-anal skin and bedclothes\/pyjamas\u00a0after the patient wakes in the morning.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #0000ff;\">3) (for clinicians!) Outline treatment options for this infection?<\/span><\/p>\n<p><span style=\"color: #ff0000;\">Mebendazole, albendazole and pyrantel embonate\u00a0all have activity against Enterobius infections. Usually given as a single dose then repeated after 2 or 3 weeks.<\/span><\/p>\n<p><span style=\"color: #ff0000;\">It is usually recommended that all family members are treated. Other preventative measures are listed below.<\/span><\/p>\n<ul>\n<li><span style=\"color: #ff0000;\">Daily washing of anal region.<\/span><\/li>\n<li><span style=\"color: #ff0000;\">Daily changing of underwear and nightwear.<\/span><\/li>\n<li><span style=\"color: #ff0000;\">Hot laundering of clothes.<\/span><\/li>\n<li><span style=\"color: #ff0000;\">Keeping fingernails short.\u00a0<\/span><\/li>\n<li><span style=\"color: #ff0000;\">Showering as opposed to bathing.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">For your information here is the life cycle of Enterobius, and this should explain the preventative measures&#8230;<\/span><\/p>\n<p><a href=\"https:\/\/i0.wp.com\/microbiologymatters.com\/wp-content\/uploads\/2013\/06\/pinworm_lifecycle.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2415\" src=\"https:\/\/i0.wp.com\/microbiologymatters.com\/wp-content\/uploads\/2013\/06\/pinworm_lifecycle.gif?resize=435%2C497\" alt=\"pinworm_lifecycle\" width=\"435\" height=\"497\" data-recalc-dims=\"1\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Have a look at the picture below and answer the questions below. &nbsp; 1) What type of sample is this likely to be and what is the diagnosis? This is a &#8220;sellotape slide&#8221; demonstrating eggs of Enterobius vermicularis (pinworm\/threadworm). A strip of sellotape is applied to the peri-anal area just after the patient awakes (before &hellip; <a href=\"https:\/\/microbiologymatters.com\/?page_id=1747\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Microbiology Picture Quiz: Number 8: Answers<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1170,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/P37jIp-sb","jetpack-related-posts":[{"id":1463,"url":"https:\/\/microbiologymatters.com\/?page_id=1463","url_meta":{"origin":1747,"position":0},"title":"Picture Quiz Number 5: Answers","author":"michael","date":"May 7, 2013","format":false,"excerpt":"Have a look at this stain on a sputum sample and answer the questions below: i) What type of stain is demonstrated? Ziehl-Neelson stain. Originally invented by\u00a0 Franz Ziehl and then Friedrich Neelson. \u00a0 ii) What is the initial dye used in such a stain called?, and what is used\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"MSBA0132_tn","src":"https:\/\/i0.wp.com\/microbiologymatters.com\/wp-content\/uploads\/2013\/05\/MSBA0132_tn.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1003,"url":"https:\/\/microbiologymatters.com\/?page_id=1003","url_meta":{"origin":1747,"position":1},"title":"Tutorial: MALDI-TOF: The Basics: Answers","author":"michael","date":"March 18, 2013","format":false,"excerpt":"1) What does MALDI-TOF stand for? Matrix-Assisted Laser Desorption & Ionisation- Time Of Flight. \u00a0 2) What is the purpose of adding a drop of FORMIC ACID to the sample? This is a rapid extraction method. It helps to break down the cell wall of the bacterium thus exposing the\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1073,"url":"https:\/\/microbiologymatters.com\/?page_id=1073","url_meta":{"origin":1747,"position":2},"title":"Microbiology Picture Quiz: Number 1: Answers","author":"michael","date":"March 19, 2013","format":false,"excerpt":"\u00a0 A patient recently\u00a0returned from sub-Saharan Africa presents with painless haematuria. This structure was found on microscopy of urine. It was measured at 125 micrometers in length. What is this? An egg of Schistosoma haematobium, recognised by its characteristic size (110-170 micrometers in length), internal miracidia and terminal spine. The\u2026","rel":"","context":"With 2 comments","block_context":{"text":"With 2 comments","link":"https:\/\/microbiologymatters.com\/?page_id=1073#comments"},"img":{"alt_text":"schistomes","src":"https:\/\/i0.wp.com\/microbiologymatters.com\/wp-content\/uploads\/2013\/03\/schistomes-life-cycle-300x229.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1139,"url":"https:\/\/microbiologymatters.com\/?page_id=1139","url_meta":{"origin":1747,"position":3},"title":"Microbiology Picture Quiz: Number 2: Answers","author":"michael","date":"March 26, 2013","format":false,"excerpt":"An Injecting Drug User presents to the\u00a0ED with the lesion (as shown) on his arm. He also has a fever. 1) What disease is very important to exclude as a cause of his lesion? Cutaneous anthrax would be an important diagnosis not to miss here. There are three main forms\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1347,"url":"https:\/\/microbiologymatters.com\/?page_id=1347","url_meta":{"origin":1747,"position":4},"title":"Microbiology Picture Quiz: No. 4: Answers","author":"michael","date":"April 19, 2013","format":false,"excerpt":"Have a look at this wet film from a stool sample: \u00a0 1) What\u00a0parasites can you identify? Ascaris lumbricoides (roundworm)\u00a0ova, Hookworm ova, Trichuris trichiura (Whipworm)\u00a0ova, Fasciolopsis Buski ova 2) Are there any parasites in there which are difficult to diagnose definitively? Yes that big one on the left; the Fasciolopsis\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"parasites","src":"https:\/\/i0.wp.com\/microbiologymatters.com\/wp-content\/uploads\/2013\/04\/parasites.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/microbiologymatters.com\/wp-content\/uploads\/2013\/04\/parasites.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/microbiologymatters.com\/wp-content\/uploads\/2013\/04\/parasites.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/microbiologymatters.com\/wp-content\/uploads\/2013\/04\/parasites.jpg?resize=700%2C400 2x"},"classes":[]},{"id":1837,"url":"https:\/\/microbiologymatters.com\/?page_id=1837","url_meta":{"origin":1747,"position":5},"title":"Microbiology Picture Quiz: Number 9: Answers","author":"michael","date":"August 5, 2013","format":false,"excerpt":"This patient presents with unilateral parotid swelling. \u00a0 1) What disease\u00a0connects the\u00a0 presentation with the picture? Mumps. This is an electron micrograph of mumps virus,\u00a0a picture that would not be seen in diagnostic laboratories these days as electron microscopes are alost all now confined to research facilities.\u00a0\u00a0In mumps, parotid swelling\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"\/\/upload.wikimedia.org\/wikipedia\/commons\/5\/54\/Mumps_virus.jpg","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/microbiologymatters.com\/index.php?rest_route=\/wp\/v2\/pages\/1747"}],"collection":[{"href":"https:\/\/microbiologymatters.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/microbiologymatters.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/microbiologymatters.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/microbiologymatters.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1747"}],"version-history":[{"count":6,"href":"https:\/\/microbiologymatters.com\/index.php?rest_route=\/wp\/v2\/pages\/1747\/revisions"}],"predecessor-version":[{"id":2416,"href":"https:\/\/microbiologymatters.com\/index.php?rest_route=\/wp\/v2\/pages\/1747\/revisions\/2416"}],"up":[{"embeddable":true,"href":"https:\/\/microbiologymatters.com\/index.php?rest_route=\/wp\/v2\/pages\/1170"}],"wp:attachment":[{"href":"https:\/\/microbiologymatters.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}