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Erschienen in: Annals of Surgical Oncology 8/2009

01.08.2009 | Hepatobiliary and Pancreatic Tumors

Relationship Between Microvessel Count and Postoperative Survival in Patients with Intrahepatic Cholangiocarcinoma

verfasst von: Atsushi Nanashima, MD, Kenichiro Shibata, MD, Toshiyuki Nakayama, MD, Syuichi Tobinaga, MD, Masato Araki, MD, Masaki Kunizaki, MD, Hiroaki Takeshita, MD, Shigekazu Hidaka, MD, Terumitsu Sawai, MD, Takeshi Nagayasu, MD, Tsutomu Tagawa, MD

Erschienen in: Annals of Surgical Oncology | Ausgabe 8/2009

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Abstract

Background

The present study aimed to elucidate the relationship between microvessel count (MVC) according to CD34 expression and prognosis in intrahepatic cholangiocarcinoma (ICC) patients who underwent hepatectomy based on our preliminary study.

Methods

Relationships between MVC and clinicopathological factors were examined in 37 ICC patients. CD34 expression was analyzed using immunohistochemical methods.

Results

Median MVC for ICC patients was 140/mm2, which was applied as a cutoff value. Lower MVC was significantly associated with larger tumor size, periductal infiltrating type, and advanced Japanese tumor–node–metastasis stage (p < 0.05). Univariate survival analysis identified higher carcinoembryonic antigen level, periductal infiltrating type, poor histological differentiation, and lower MVC as significantly associated with lower 5-year survival rates. The 5-year survival rate in the higher-MVC group was significantly greater than that in the lower-MVC group (44% vs. 7%, p = 0.048). According to Cox multivariate survival analysis, only periductal infiltrating type on macroscopic examination was identified as a significant independent risk factor for poor survival after hepatectomy (risk ratio 4.8; p = 0.006), not MVC (1.1; p = 0.82).

Conclusion

Tumor MVC might offer a useful prognostic marker of ICC patient survival after hepatectomy and further investigation in a larger series is warranted.
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Metadaten
Titel
Relationship Between Microvessel Count and Postoperative Survival in Patients with Intrahepatic Cholangiocarcinoma
verfasst von
Atsushi Nanashima, MD
Kenichiro Shibata, MD
Toshiyuki Nakayama, MD
Syuichi Tobinaga, MD
Masato Araki, MD
Masaki Kunizaki, MD
Hiroaki Takeshita, MD
Shigekazu Hidaka, MD
Terumitsu Sawai, MD
Takeshi Nagayasu, MD
Tsutomu Tagawa, MD
Publikationsdatum
01.08.2009
Verlag
Springer-Verlag
Erschienen in
Annals of Surgical Oncology / Ausgabe 8/2009
Print ISSN: 1068-9265
Elektronische ISSN: 1534-4681
DOI
https://doi.org/10.1245/s10434-009-0494-5

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