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How can histopathologists help clinical genetics in the investigation of suspected hereditary gastrointestinal cancer?

Frayling, Ian Martin and Arends, Mark J. 2015. How can histopathologists help clinical genetics in the investigation of suspected hereditary gastrointestinal cancer? Diagnostic Histopathology 21 (4) , pp. 137-146. 10.1016/j.mpdhp.2015.04.004

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Abstract

Histopathologists are critical in the diagnosis of hereditary gastrointestinal tumours. This is increasingly important as genetic testing becomes more available and the benefits of anti-cancer surveillance in those at increased risk are realised. Cancer genetics services should include pathologists and be organised on multidisciplinary team lines. Hereditary cancer syndromes predispose to tumours throughout the GI tract. Lynch syndrome is the most prevalent hereditary GI cancer condition, responsible for ∼3.3% of all colorectal as well as other GI and extra-intestinal cancers. Tumour tests to diagnose Lynch syndrome are important in guiding genetic testing, and can be used systematically to screen cancers for the condition. Familial adenomatous polyposis and all the other forms of hereditary polyposis put together account for <1% of all colorectal cancer. However, the histological distinction of the various polyposes, including type, site and numbers of polyps is crucial in informing genetic testing.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Subjects: Q Science > QH Natural history > QH426 Genetics
R Medicine > RC Internal medicine > RC0254 Neoplasms. Tumors. Oncology (including Cancer)
Uncontrolled Keywords: Polyposis; Cowden syndrome; DNA mismatch repair; gastrointestinal neoplasms; genetic predisposition to disease; immunohistochemistry; juvenile polyposis syndrome; Lynch syndrome; microsatellite instability; Peutz-Jeghers syndrome
Publisher: Elsevier
Last Modified: 15 Mar 2019 15:42
URI: http://orca-mwe.cf.ac.uk/id/eprint/75413

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