In colorectal cancers, although flat and depressed-type lesions are found by regular
endoscopic view, magnification and pit-pattern observation are vital parts of the precise …

Colorectal adenomas and early cancers are grossly classified into three groups: protruded,
flush or slightly elevated (so‐called flat adenomas), and depressed. Protruded lesions and …

Although flat and depressed-type lesions are found by regular endoscopic view,
magnification and pit pattern observation are vital parts of a precise diagnosis of the lesion …

The relation between subclassification of V type pit pattern and histopathologic features,
particularly, in regards to the invasion depth, was examined in 75 cases of early colorectal …

Recent advances in colonoscopy have enabled us to diagnose early-stage colorectal
tumors. Magnifying colonoscopy is useful for diagnosing histologic types by assessing the …

The present review describes the changes in views about the early forms of colorectal
cancers. In 1985, a concept of 'flat adenoma'was born in Japan. At around the same time …

Early superficial colorectal carcinoma (CRC) has been commonly detected by routine
colonoscopic examination in Japan. A series of 769 early CRCs and 4821 adenomas were …

Background With the introduction of colorectal cancer screening and improvements in
endoscopic technology, the recognition and management of early colorectal cancer …

High‐magnification chromoscopic endoscopy is a new technique which has been recently
introduced to the UK. This technology, initially pioneered by the Japanese in the 1980s, has …

The earliest phases of colorectal tumourigenesis initiate in the normal mucosa, with a
generalised disorder of cell replication, and with the appearance of clusters of enlarged …