Genetic Test Reveals Lynch Syndrome, Leads to Early Cancer Detection
Translated & summarized from N12 by baba
A man in his 30s discovered he was a carrier of Lynch syndrome through the "Mosaic" genetic testing project, leading to the early detection of a cancerous tumor. The discovery, prompted by a family history of cancer, allowed for the removal of a polyp before it could metastasize. Experts highlight the importance of such genetic screenings for proactive health management and preventing advanced cancer. The "Mosaic" project has identified genetic mutations in about 3% of its 60,000 participants.
The story in 6 lines · by baba
- A man's participation in the "Mosaic" genetic project led to the discovery of Lynch syndrome and early-stage cancer.
- Lynch syndrome significantly increases the risk of developing colon and uterine cancers, often at a young age.
- An early colonoscopy, prompted by the genetic finding, revealed and removed a cancerous polyp.
- Prof. Zohar Levi stated that without the early detection, the man could have developed metastatic cancer.
- The "Mosaic" project has enrolled 60,000 Israelis, identifying genetic mutations in approximately 3% of participants.
- Genetic screening is recommended for individuals with a family history of early-onset colon or uterine cancer.
A man in his 30s, identified as Amit (a pseudonym), joined the "Mosaic" genetic testing project at Beilinson Hospital nearly two years ago. He had largely forgotten about the test until he received a call informing him he was a carrier of Lynch syndrome, a hereditary condition increasing the risk of certain cancers. This discovery prompted further investigation, especially given his family history: his grandfather died of gastrointestinal cancer at age 46. His father had recently been diagnosed with a genetic mutation linked to Lynch syndrome.
Following his father's diagnosis, Amit sought genetic testing, but before he could arrange it, the "Mosaic" project contacted him. Initially surprised by the call, he soon realized the significance of the finding, having heard explanations given to his father. A week after receiving the results, he consulted Prof. Zohar Levi, Director of the Service for Increased Risk of Gastrointestinal Malignancies at Beilinson.
A colonoscopy revealed a large, advanced polyp, which contained a cancerous tumor. The polyp was removed, and subsequent surgery confirmed the cancer had not spread, eliminating the need for further treatment. Prof. Levi emphasized that without the early colonoscopy, Amit could have developed metastatic cancer within six to twelve months, a far more serious condition.
Lynch syndrome, as explained by Prof. Levi, is a genetic condition that heightens the predisposition to malignancies, particularly in the colon and uterus, often at a young age. He stressed that identifying carriers allows for proactive management, including appropriate monitoring and early detection, and potentially targeted immunotherapies if a tumor develops. Genetic screening is recommended for individuals with early-onset (before 50) colon or uterine cancer, or multiple family members with such cancers.
Prof. Gabi Barbash, who leads the "Mosaic" project, stated that around 60,000 Israelis have joined, with approximately 3% found to carry significant genetic mutations. He noted that these mutations are chosen for their practical medical implications, covering risks for cancer, heart disease, and blood lipid disorders. The project focuses on actionable findings, and participants are referred for genetic counseling. Confirmatory tests are performed before final results are given, and in some cases, preimplantation genetic diagnosis can be used for future generations.
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