{"id":2484,"date":"2009-03-08T23:18:21","date_gmt":"2009-03-08T23:18:21","guid":{"rendered":"https:\/\/medicalcriteria.com\/web\/reuwegener\/"},"modified":"2025-05-14T19:09:52","modified_gmt":"2025-05-14T19:09:52","slug":"reuwegener","status":"publish","type":"post","link":"https:\/\/medicalcriteria.com\/web\/reuwegener\/","title":{"rendered":"Criteria for the Classification of Wegener&#8217;s Granulomatosis (WG)"},"content":{"rendered":"<div class=\"99c380e4b4a7b96c35d7ddf7dcb434e8\" data-index=\"1\" style=\"float: none; margin:0px 0 0px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<!-- MC 2019- Horizontal -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-0127150553352455\"\r\n     data-ad-slot=\"3806776041\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>Granulomatosis with polyangiitis (GPA), formerly known as Wegener&#8217;s granulomatosis, is a rare form of vasculitis. In this disorder, small-sized blood vessels in the nose, sinuses, ears, lungs and kidneys become inflamed and damaged.<!--more--><\/p>\n<p><strong>Criteria for the Classification of <span class=\"SpellE\">Wegener&#8217;s<\/span> <span class=\"SpellE\">Granulomatosis<\/span> (WG)<\/strong><\/p>\n<div class=\"Section1\">\n<ol>\n<li>\n<p class=\"MsoNormal\" style=\"margin-top: 0pt; margin-bottom: 0pt;\"><span style=\"color: black;\">Nasal or oral inflammation: Development of painful or painless oral ulcers or purulent or bloody nasal discharge<\/span><\/p>\n<\/li>\n<li>\n<p class=\"MsoNormal\" style=\"margin-top: 0pt; margin-bottom: 0pt;\"><span style=\"color: black;\">Abnormal chest radiograph: Chest radiograph showing the presence of nodules, fixed infiltrates, or cavities<\/span><\/p>\n<\/li>\n<li>\n<p class=\"MsoNormal\" style=\"margin-top: 0pt; margin-bottom: 0pt;\"><span style=\"color: black;\">Urinary sediment: <span class=\"SpellE\">Microhematuria<\/span> (&gt;5 red blood cells per high power field) or red cell casts in urine sediment <\/span><\/p>\n<\/li>\n<li>\n<p class=\"MsoNormal\" style=\"margin-top: 0pt; margin-bottom: 0pt;\"><span style=\"color: black;\"> <span class=\"SpellE\">Granulomatous<\/span> inflammation on biopsy: <span class=\"SpellE\">Histologic<\/span> changes showing <span class=\"SpellE\">granulomatous<\/span> inflammation within the wall of an artery or in the <span class=\"SpellE\">perivascular<\/span> or <span class=\"SpellE\">extravascular<\/span> area (artery or arteriole)<\/span><\/p>\n<\/li>\n<\/ol>\n<p class=\"MsoNormal\">For purposes of classification, a patient shall be said to have <span class=\"SpellE\">Wegener&#8217;s<\/span> <span class=\"SpellE\">granulomatosis<\/span> if at least 2 of these 4 criteria are present. The presence of any 2 or more criteria yields a sensitivity of 88.2% and a specificity of 92.0%<\/p>\n<p class=\"MsoNormal\">\n<\/div>\n<p class=\"MsoNormal\"><strong>References:<\/strong><\/p>\n<ol style=\"margin-top: 0cm;\">\n<li class=\"MsoNormal\">Leavitt RY, <span class=\"SpellE\">Fauci<\/span> AS, Bloch DA, Michel BA, <span class=\"SpellE\">Hunder<\/span> GG, <span class=\"SpellE\">Arend<\/span> WP, Calabrese LH, Fries JF, Lie JT, Lightfoot RW <span class=\"SpellE\">Jr<\/span>, et al. The American College of Rheumatology 1990 criteria for the classification of <span class=\"SpellE\">Wegener&#8217;s<\/span> <span class=\"SpellE\">granulomatosis<\/span>. Arthritis Rheum. 1990 Aug<span class=\"GramE\">;33<\/span>(8):1101-7. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/2202308\/\" target=\"_blank\" rel=\"noopener noreferrer\">[Medline]<\/a><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>Created: May 16, 2005<\/p>\n\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Sorry, this entry is only available in Espa\u00f1ol.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"no","_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[45],"tags":[166,167,16,15,1467,1070,1468,1469],"class_list":["post-2484","post","type-post","status-publish","format-standard","hentry","category-rheumatology","tag-clasificacion","tag-classification","tag-criteria","tag-criterios","tag-granulomatosis","tag-rheumatology","tag-wegener","tag-wg"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - 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