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Procedure explained

Endoscopy explained: what can a camera examination tell us?

How a camera examination of the gut works, what it can reveal, and the questions it can't answer on its own.

Tests compared

CT, ultrasound and endoscopy: why might different tests be needed?

A plain-language comparison of three common investigations, and why your vet might suggest more than one.

Test explained

Endoscopy

A camera on a flexible tube is used to look at the inside of the gut or airways, and to take samples.

For vets

Gastrointestinal endoscopy — professional overview

Upper GI (oesophagus, stomach, duodenum) and lower GI (colon, ileum where accessible) assessment and mucosal biopsy.

Test explained

Biopsy and laboratory analysis

Small pieces of tissue are examined by a pathologist to understand what a change actually is.