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Hereditary diffuse gastric cancer (HDGC) is a cancer syndrome associated with a significant lifetime risk of diffuse gastric cancer (DGC), a malignancy characterized by late clinical presentation and poor prognosis, as well as lobular breast cancer. HDGC is linked to germline pathogenic variants in the E-cadherin gene (CDH1) that are inherited in an autosomal dominant pattern; however, in many families with DGC clustering, no genetic cause has been identified. This review discusses key elements that allow risk assessment of potential inherited DGC susceptibility. We provide a practical overview of the recommendations for surveillance and treatment of individuals at risk and patients with early disease. The review also outlines future research avenues to improve our understanding of the genetic background and natural history of the disease, the endoscopic detection of early lesions, and the outcome of prophylactic surgery in young individuals.

Citation

Nastazja Dagny Pilonis, Marc Tischkowitz, Rebecca C Fitzgerald, Massimiliano di Pietro. Hereditary Diffuse Gastric Cancer: Approaches to Screening, Surveillance, and Treatment. Annual review of medicine. 2021 Jan 27;72:263-280


PMID: 33217247

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