Review Article

Early Gastric Cancer: Current Advances of Endoscopic Diagnosis and Treatment

Table 1

Microvascular/microsurface patterns.

StudyMicrovascular pattern

Yao, 2013 [8]Regular microvascular patternClosed- or open-looped with a uniform shape
Homogeneous morphology
Symmetrical distribution
Regular arrangement
Irregular microvascular patternDifferent shapes: closed-looped (polygonal), open-looped, tortuous, branched, bizarrely shaped
Heterogeneous morphology
Asymmetrical distribution
Irregular arrangement
Absent microvascular patternSubepithelial microvascular pattern is obscured
Presence of a white opaque substance (WOS)

ā€‰Microsurface pattern

Yao, 2013 [8]Regular microsurface patternShape of marginal crypt epithelium:
uniform linear/curved/oval/circular structure
Homogeneous morphology
Symmetrical distribution
Regular arrangement
Regular WOS
Irregular microsurface patternShape of marginal crypt epithelium:
irregular linear/curved/oval/circular structure
Heterogeneous morphology
Asymmetrical distribution
Irregular arrangement
Irregular WOS
Absent microsurface patternNo marginal crypt epithelial structure
No WOS are visible

Yokoyama et al., 2010 [9]Abnormal microvascular irregular superficial glandular patternFine network pattern
Corkscrew pattern
Intralobular loop pattern-1
Intralobular loop pattern-2

ā€‰Microvascular featuresFine mucosal structural features

Kaise et al., 2009 [10]Dilation
Abrupt caliber alteration
Absence
Denseness
Heterogeneity in shape
Micrification
TortuousnessHeterogeneity

Nakayoshi et al., 2004 [11]Microvascular patternA fine network pattern
A corkscrew pattern
An unclassified pattern