Magnified and enhanced computed virtual chromoendoscopy in gastric neoplasia: A feasibility study

Table 1 Histopathology and pit patterns of the lesions classified by M i-scan

Pit	Histology						Total
	Inflammation	Atrophy	Metaplasia	LGD	HGD	Cancer
Type I	0	6	1	0	0	0	7
Type II	2	7	1	0	0	0	10
Type III	1	0	8	1	0	0	10
Type IV	4	1	0	0	4	0	9
Type V	3	0	0	0	1	3	7
Total	10	14	10	1	5	3	43

HGD: High grade dysplasia; LGD: Low grade dysplasia.

Table 2 Diagnostic yield of gastric neoplasia by real time M i-scan

M i-scan	Histopathology		Total
	Cancerous	Non-cancerous
Neoplasia	8	8
Non-neoplasia	0	27
Total	8	35	43

Sensitivity: 100%; Specificity: 77.1%; Positive predictive value: 50%; Negative predictive value: 100%; Likelihood ratio: 4.37.