Question 901
{"accessible":false,"alternatives":[{"id":4531,"text":"IgA"},{"id":4532,"text":"IgD"},{"id":4533,"text":"IgE"},{"id":4534,"text":"IgG"},{"id":4535,"text":"IgM"}],"archived":false,"correctAlternativeId":4535,"explanation":"\u003cp\u003e\u003ca href=\"/articles/waldenstroms-macroglobulinaemia\"\u003eWaldenström\u0026nbsp;macroglobulinaemia\u003c/a\u003e\u0026nbsp;is a lymphoproliferative disorder of B cells characterised by the production of IgM, thus the description 'macroglobulinaemia'. Production of other immunoglobulins does not occur in this condition, but are common in other disorders such as \u003ca href=\"/articles/multiple-myeloma-1\"\u003emultiple myeloma\u003c/a\u003e where IgG and IgA production accounts for the vast majority of cases.\u003c/p\u003e","id":901,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/901","nextQuestionPath":"/articles/waldenstrom-macroglobulinaemia/questions/900","relatedArticles":[{"id":9555,"title":"Multiple myeloma","link":"/articles/multiple-myeloma-1?lang=gb"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhich\u0026nbsp;immunoglobulin is most commonly\u0026nbsp;produced in Waldenström\u0026nbsp;macroglobulinaemia?\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/901"}],"attemptsPercentages":[{"alternativeId":"4531","percentage":12},{"alternativeId":"4532","percentage":3},{"alternativeId":"4533","percentage":7},{"alternativeId":"4535","percentage":59},{"alternativeId":"4534","percentage":20}],"promptToLogin":false,"questionManager":false,"articleId":"waldenstrom-macroglobulinaemia"}