Surgical outcome of solid pseudopapillary tumor of the pancreas.

Background/purpose: The best surgical treatment for solid pseudopapillary tumor of the pancreas is a matter of debate.

Methods: Fourteen patients with solid pseudopapillary tumor of the pancreas who underwent surgical resection, including enucleation, between June 1996 and January 2007 were retrospectively analyzed to evaluate the effect of the treatment.

Results: The mean age of the patients was 39 years (range, 15 to 59 years).

Aggressive surgical treatment for T4 gastric cancer.

Surgical treatment for locally advanced gastric cancer remains controversial, and many still question the benefits of extended resection. The aim of this study was to evaluate the effectiveness of combined resection of the involved organs with regard to survival in patients with gastric cancer. Between 1993 and 2000, among the 1638 patients with gastric cancer who underwent gastrectomy, 82 were found to have evidence of adjacent organ spread at laparotomy.

The intraductal carcinoma component is a significant prognostic parameter in patients with invasive ductal carcinoma of the pancreas.

We have sometimes encountered invasive ductal carcinomas (IDCs) of the pancreas containing intraductal carcinoma components in the intra- and / or extra-tumor area. The purpose of this study was to investigate whether intraductal carcinoma components would be useful for predicting the outcome of IDC patients. Forty-seven surgically treated IDCs were examined, and all histological tumor sections were stained with Elastica to accurately confirm intraductal carcinoma components.

Neovascularization in pancreatic ductal adenocarcinoma: Microvessel count analysis, comparison with non-cancerous regions and other types of carcinomas.

Although neovascularization is regarded as an essential factor for tumor growth, it is unclear whether pancreatic adenocarcinoma is also influenced by this process. Furthermore, the reported microvessel count (MVC) data can not be compared due to the diversity of evaluating methods, and the relation between MVC data and metastatic potentials remains controversial. A total of 24 pancreatic adenocarcinomas and 24 adjacent non-cancerous pancreatic parenchyma were analyzed for MVC using anti-CD31 antibody.