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New Predictive Blood Test: ctDNA

Breast Cancer | Last Active: 15 hours ago | Replies (32)
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@shireen71

How is this test different from signatera, this test also detects cancer in the blood before it shows up in scans . It also detects CtDna.

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Replies to "How is this test different from signatera, this test also detects cancer in the blood before..."
colely | @colely | Jun 15 2:24pm

I just looked up the information regarding the Signatera test. I saw two obvious differences. Firstly, they request a tumor sample, besides a blood sample. Secondly, they use the old, whole exhome sequencing which would not be able to find the much larger amount of mutations that the new, whole genome sequencing finds, with the new test.

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