Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society · 2013
Efficacy of video capsule endoscopy with flexible spectral imaging color enhancement at setting 3 for differential diagnosis of red spots in the small bowel.
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Maeda Mitsunori, Hiraishi Hideyuki
Аннотация
BACKGROUND: Red spots on the small bowel mucosa are observed in patients with angioectasia and enteritis. The present study investigated the effectiveness of capsule endoscopy (CE)-flexible spectral imaging color enhancement (FICE) as a method for differential diagnosis of the two conditions.
PATIENTS AND METHODS: The subjects were 30 patients who underwent CE and double-balloon endoscopy at Dokkyo Medical University Hospital between February 2007 and January 2013. Of these 30 patients, those diagnosed with angioectasia were assigned to Group A (n = 13) and those diagnosed with enteritis were assigned to Group E (n = 17).
RESULTS: Using FICE at setting 3 and comparing the color intensity of the red spots on a four-step scale (0-3), no statistically significant (P = 0.712) difference was found between the twogroups (Group A: 2.69 ± 0.48, Group E: 2.76 ± 0.56). Subjects were considered to show a positive blue sign when areas of blue were observed against the yellow-green background and surrounding the red spots. A comparison of the ratio of positive blue sign for both groups (Group A: 15.4% ± 37.6%, Group E: 94.1% ± 24.2%) showed a statistically significant increase in the ratio in Group E (P < 0.001).
CONCLUSION: The results of the present study suggest that blue sign may be effective in the differential diagnosis of angioectasia and enteritis in patients with red spots.
PATIENTS AND METHODS: The subjects were 30 patients who underwent CE and double-balloon endoscopy at Dokkyo Medical University Hospital between February 2007 and January 2013. Of these 30 patients, those diagnosed with angioectasia were assigned to Group A (n = 13) and those diagnosed with enteritis were assigned to Group E (n = 17).
RESULTS: Using FICE at setting 3 and comparing the color intensity of the red spots on a four-step scale (0-3), no statistically significant (P = 0.712) difference was found between the twogroups (Group A: 2.69 ± 0.48, Group E: 2.76 ± 0.56). Subjects were considered to show a positive blue sign when areas of blue were observed against the yellow-green background and surrounding the red spots. A comparison of the ratio of positive blue sign for both groups (Group A: 15.4% ± 37.6%, Group E: 94.1% ± 24.2%) showed a statistically significant increase in the ratio in Group E (P < 0.001).
CONCLUSION: The results of the present study suggest that blue sign may be effective in the differential diagnosis of angioectasia and enteritis in patients with red spots.