[Treatment of early gastric cancer by endoscopic double snare polypectomy (EDSP)].

  • 1 August 1986
    • journal article
    • abstracts
    • Vol. 32  (10) , 1185-90
Abstract
The indication for EDSP was studied in 75 patients with early gastric cancer diagnosed endoscopically which had been obtained over a period of 11 years (1979 to 1985) at the Cancer Institute Hospital, Tokyo and the following results were obtained. EDSP consists of two procedures using double channel fiberscope; a sessile or depressed lesion pulled upward by one snare cautery (standard EDSP) is transformed into a subpedunculated one, which allows another snare cautery of pseudostalk, and it is excised by using coagulation current. EDSP was performed in 53 cases of IIa type and 22 cases of IIc type. Excision by one snare cautery was possible in 90.9% (40/44) of IIa lesion measuring less than 2 cm and in 100% (14/14) of IIc lesion measuring less than 1 cm, the total being 85.3% (64/75). There was no residual cancer in 41 cases of IIa lesion (93.2%) and 17 cases (85.0%) of IIc lesion with two recurrent cancers confirmed by follow-up endoscopy. Residual cancer was found in 6 cases (9.1%) which were operated on. The results mentioned above show the usefulness of EDSP and selection of case without lymph node metastasis permitting complete excision by one snare cautery is of much importance. EDSP is indicated for IIa lesion of differentiated type measuring less than 2 cm, IIc lesion of differentiated type without ulceration measuring less than 1 cm and IIc lesion of undifferentiated type without ulceration measuring less than 0.5 cm that is not located in the fundic gland area.

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