Fig. 1
From: Blue-green endoscopy in a dog presenting chronic vomiting-regurgitation
Distal oesophagus and cardia. a White light endoscopy. The oesophageal mucosa proximal to the cardia appears mildly erythematosus with small superficial areas of bleeding. b In this BG image blood and lesions are visible as dark blue areas. Lesions appear distributed in a manner comparable to that shown up by the white light endoscopy (Fig. 1a), but these areas appear more clearly defined compared to the remaining mucosa