Q&A: Why do doctors want to stick that thing down your throat and scrape your intestines to check for celiac?

Question by Trixie: Why do doctors want to stick that thing down your throat and scrape your intestines to check for celiac?
What is the point of putting patients through that? If they have the symptoms just try the gluten free diet and if you get better then voila.
They won’t give you a confirmed diagnosis from the blood test alone though and I don’t get it. The biopsy procedure is painful and that thing that goes down your throat is the same one they use for colonoscopies I mean yuck.

Best answer:

Answer by Jonah
Because some patients (in fact, more than a third) don’t stick to the gluten free diet very well or find it very difficult, and once patients are eating gluten free, the endoscopy no longer accurately says if the patient had celiac.
Also, many patients think they are eating gluten free when they’re not, so they’ll think they don’t have celiac when the diet doesn’t help. Or they may truly be eating gluten free, but can still have it take months for them to feel better.

But you do have a point and many doctors agree with you, particularly since the blood test is accurate in more than 95% of cases.

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