Using the Cytosponge to Test for Eosinophilia

May 22, 2019 | Crystal Lavey | @crystallavey


The upper endoscopy is the gold standard way for doctors to assess your esophagus and take biopsies, or tiny pieces of tissue, to test for eosinophils in your esophagus.

Dr. Rebecca Fitzgerlad of Cambridge University has developed the Cytosponge, a capsule with a string attached, as an alternative way to retrieve esophageal tissue. This tissue can be tested in the same way that biopsies are tested in pathology.

Dr. David Katzka of Mayo Clinic in Rochester is using the Cytosponge to monitor Eosinophilic Esophagitis. Watch the video to learn more about this exciting new testing device.


The team anticipates clinical use in the future. To find out more about the Cytosponge and studies available, email or call Mayo Clinic Rochester at (507) 284-2141.

Interested in more newsfeed posts like this? Go to the Eosinophilic Esophagitis blog.

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