GASTROENTEROLOGICAL ENDOSCOPY
Online ISSN : 1884-5738
Print ISSN : 0387-1207
ISSN-L : 0387-1207
DEVELOPMENT OF THE STRIP-OFF BIOPSY
Masahiro TADA, Masakatsu SHIMADA, Fujio MURAKAMI, Masakatsu SHIMADA, Muneharu MIZUMACHI, Kozaburo ARIMA, Hideo YANAI, Shinya OKA, Masaki SHIGEEDA, Masaaki OGINO, Tsutoshi AIBE, Yukinori OKAZAKI, Tadayoshi TAKEMOTO, Zenji KINOSHITA, Kumiko KINOSHITA, Yozo IIDA
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1984 Volume 26 Issue 6 Pages 833-839

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Abstract

The biopsy specimens obtained by conventional bite biopsy technique are too small and too superficial in many cases. To conqure this deficit of the bite biopsy technique, we developed a new biopsy technique under direct visual control called strip-off biopsy. The method of this strip-off is following. Under fiberoptic observation, we injected saline around the aimed lesion and made a mucosal elevation. Then, the elevation was resected by electro-coagulation. After resection we removed the specimen by grasp forceps. According to this strip-off biopsy technique, we could remove specimens abuot 3 cm in length even the lesion was flat or depressed. We succeeded in total resection of a specimen of group 3 atypical mucosa and could easily demonstrated RLH of which main lesion located in the submucosal layer. Endoscopic observation revealed that the ulcer made by this procedure healed whithin 1-2 weeks. Obvious side effects such as bleeding and pain were not observed.

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