Abstract:
:A retrospective study was conducted to establish the criteria for performing a pylorus-preserving gastrectomy. This study was performed on 491 patients who had cancer of the middle-third stomach and had been curatively treated with a distal gastrectomy. The incidence of node metastasis for each lymph node station (the group of regional lymph nodes which have been anatomically defined and classified by the Japanese Classification of Gastric Carcinoma) was evaluated with reference to the depth of invasion, tumor size, and circumferential location, to show any significant correlations with an increase in tumor diameter or in the depth of tumor invasion. The benefits of resecting each station was then evaluated based on the incidence of metastasis to each station and the rate of long-term survivors among those with metastasis to each station. The benefit was substantial for the lymph nodes along the lesser curvature, along the right gastroepiploic artery, and at the base of the left gastric artery, while the advantages were almost negligible for the suprapyloric nodes and right paracardial nodes. In conclusion, carcinoma that fulfills either of the following conditions may thus be indicated to undergo a pylorus-preserving gastrectomy: (i) restricted to a depth of m or sml, (ii) a depth of sm2 or mp with a diameter of less than 2cm, (ii) a depth of sm2 or mp and located in the greater curvature.
journal_name
Surg Todayjournal_title
Surgery todayauthors
Kodera Y,Yamamura Y,Kanemitsu Y,Shimizu Y,Hirai T,Yasui K,Morimoto T,Kato Tdoi
10.1007/s005950170168subject
Has Abstractpub_date
2001-01-01 00:00:00pages
196-203issue
3eissn
0941-1291issn
1436-2813pii
10.1007/s005950170168journal_volume
31pub_type
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