Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 28, 2012; 18(12): 1295-1307
Published online Mar 28, 2012. doi: 10.3748/wjg.v18.i12.1295
Table 1 Inoue’s classification of intra-papillary capillary loop in esophagus
TypingIPCLIodine stainingUnder NBIPathological assessingTreatment
Type ISmooth running small diameter capillary vessel with no difference from the normal patternStainedNormal epithelium
Type IIElongation and/or dilation capillary is often seenSlightly stainedEsophagitis or re-generative tissue
Type IIINo or minimal change from the normalUnstainedBrownishHGIENFurther follow-up
Type IVShowing two or three of four patterns among dilation, meandering, caliber changes and different shapesUnstainedBrownishHGIEN or m1 carcinoma in situESD/en bloc EMR
Type VDemonstrating all four characteristic changes: dilation, tortuous weaving, irregular caliber and form variationUnstainedBrownishM1 carcinoma in situ
Type VIElongation basing on the shapes of type V IPCL , keeping IPCL partlyUnstainedBrownishM2 carcinoma in situ
Type VIIDestructing dramatically and running on horizontal planeUnstainedBrownishM3-Sm1deeper carcinomaRelatively indicated for ESD/EMR
Type VIIINew tumor vessel appearUnstainedBrownishSm2 deep carcinomaSurgery, chemorado-therapy