{"id":1672,"date":"2021-10-28T22:29:49","date_gmt":"2021-10-28T22:29:49","guid":{"rendered":"https:\/\/blogs.bmj.com\/jmg\/?p=1672"},"modified":"2026-02-23T21:09:36","modified_gmt":"2026-02-23T21:09:36","slug":"complex-pathway-to-identification-of-fanconi-anaemia-due-to-biallelic-brca2-variants-presenting-as-severe-chemotherapy-toxicity-in-adulthood","status":"publish","type":"post","link":"https:\/\/blogs.bmj.com\/jmg\/2021\/10\/28\/complex-pathway-to-identification-of-fanconi-anaemia-due-to-biallelic-brca2-variants-presenting-as-severe-chemotherapy-toxicity-in-adulthood\/","title":{"rendered":"Complex pathway to identification of Fanconi anaemia due to biallelic BRCA2 variants presenting as severe chemotherapy toxicity in adulthood (Contributed by Emilia Ip)"},"content":{"rendered":"<p>We describe an interesting case of a 23 year old female with known primary ovarian failure, who was diagnosed with abdominal adenocarcinoma of gastrointestinal origin. She experienced severe and prolonged chemotherapy side effects, and was eventually diagnosed with Fanconi anaemia due to biallelic BRCA2 variants. We highlights hurdles that were encountered during diagnosis, including initial false negative chromosome instability testing, and the uncertainty generated for individuals, families and clinicians when variants of uncertain significance are encountered. Gastrointestinal cancer has been described in only 2 other adults with BRCA2-related Fanconi anaemia and is worthy of further investigation, given the availability of effective screening for these types of cancers. (<a href=\"https:\/\/jmg.bmj.com\/content\/early\/2021\/10\/24\/jmedgenet-2021-108072\">https:\/\/jmg.bmj.com\/content\/early\/2021\/10\/24\/jmedgenet-2021-108072<\/a> )<!--TrendMD v2.4.8--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>We describe an interesting case of a 23 year old female with known primary ovarian failure, who was diagnosed with abdominal adenocarcinoma of gastrointestinal origin. She experienced severe and prolonged chemotherapy side effects, and was eventually diagnosed with Fanconi anaemia due to biallelic BRCA2 variants. We highlights hurdles that were encountered during diagnosis, including initial [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/blogs.bmj.com\/jmg\/2021\/10\/28\/complex-pathway-to-identification-of-fanconi-anaemia-due-to-biallelic-brca2-variants-presenting-as-severe-chemotherapy-toxicity-in-adulthood\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":123,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1672","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Complex pathway to identification of Fanconi anaemia due to biallelic BRCA2 variants presenting as severe chemotherapy toxicity in adulthood (Contributed by Emilia Ip) - JMG Contact blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.bmj.com\/jmg\/2021\/10\/28\/complex-pathway-to-identification-of-fanconi-anaemia-due-to-biallelic-brca2-variants-presenting-as-severe-chemotherapy-toxicity-in-adulthood\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Complex pathway to identification of Fanconi anaemia due to biallelic BRCA2 variants presenting as severe chemotherapy toxicity in adulthood (Contributed by Emilia Ip) - JMG Contact blog\" \/>\n<meta property=\"og:description\" content=\"We describe an interesting case of a 23 year old female with known primary ovarian failure, who was diagnosed with abdominal adenocarcinoma of gastrointestinal origin. She experienced severe and prolonged chemotherapy side effects, and was eventually diagnosed with Fanconi anaemia due to biallelic BRCA2 variants. We highlights hurdles that were encountered during diagnosis, including initial [...]Read More...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.bmj.com\/jmg\/2021\/10\/28\/complex-pathway-to-identification-of-fanconi-anaemia-due-to-biallelic-brca2-variants-presenting-as-severe-chemotherapy-toxicity-in-adulthood\/\" \/>\n<meta property=\"og:site_name\" content=\"JMG Contact blog\" \/>\n<meta property=\"article:published_time\" content=\"2021-10-28T22:29:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-23T21:09:36+00:00\" \/>\n<meta name=\"author\" content=\"hqqu\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@HuiQiQu\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"hqqu\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2021\\\/10\\\/28\\\/complex-pathway-to-identification-of-fanconi-anaemia-due-to-biallelic-brca2-variants-presenting-as-severe-chemotherapy-toxicity-in-adulthood\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2021\\\/10\\\/28\\\/complex-pathway-to-identification-of-fanconi-anaemia-due-to-biallelic-brca2-variants-presenting-as-severe-chemotherapy-toxicity-in-adulthood\\\/\"},\"author\":{\"name\":\"hqqu\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/#\\\/schema\\\/person\\\/be0250f8d5b52412c3e7c222dabd591b\"},\"headline\":\"Complex pathway to identification of Fanconi anaemia due to biallelic BRCA2 variants presenting as severe chemotherapy toxicity in adulthood (Contributed by Emilia Ip)\",\"datePublished\":\"2021-10-28T22:29:49+00:00\",\"dateModified\":\"2026-02-23T21:09:36+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2021\\\/10\\\/28\\\/complex-pathway-to-identification-of-fanconi-anaemia-due-to-biallelic-brca2-variants-presenting-as-severe-chemotherapy-toxicity-in-adulthood\\\/\"},\"wordCount\":137,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/#organization\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2021\\\/10\\\/28\\\/complex-pathway-to-identification-of-fanconi-anaemia-due-to-biallelic-brca2-variants-presenting-as-severe-chemotherapy-toxicity-in-adulthood\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2021\\\/10\\\/28\\\/complex-pathway-to-identification-of-fanconi-anaemia-due-to-biallelic-brca2-variants-presenting-as-severe-chemotherapy-toxicity-in-adulthood\\\/\",\"url\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2021\\\/10\\\/28\\\/complex-pathway-to-identification-of-fanconi-anaemia-due-to-biallelic-brca2-variants-presenting-as-severe-chemotherapy-toxicity-in-adulthood\\\/\",\"name\":\"Complex pathway to identification of Fanconi anaemia due to biallelic BRCA2 variants presenting as severe chemotherapy toxicity in adulthood (Contributed by Emilia Ip) - 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