Please use this identifier to cite or link to this item: https://doi.org/10.1245/s10434-012-2260-3
Title: Risk factors of peritoneal recurrence and outcome of resected peritoneal recurrence after liver resection in hepatocellular carcinoma: Review of 1222 cases of hepatectomy in a tertiary institution
Authors: Chieh Kow, A.W 
David Kwon, C.H
Song, S
Shin, M
Kim, J.M
Joh, J.-W
Keywords: abdominal wall
adult
bile duct invasion
cancer prognosis
cancer staging
cancer surgery
cancer survival
diaphragm
female
follow up
human
inoperable cancer
liver cell carcinoma
liver resection
major clinical study
male
medical record review
microvascular invasion
omentum
overall survival
peritoneal recurrence
peritoneum metastasis
portal vein invasion
positive resection margin
review
risk factor
serosal involvement
tertiary health care
thorax wall
totally necrotic nodule
treatment outcome
tumor localization
tumor recurrence
tumor volume
Carcinoma, Hepatocellular
Female
Follow-Up Studies
Hepatectomy
Humans
Liver Neoplasms
Male
Middle Aged
Neoplasm Invasiveness
Neoplasm Recurrence, Local
Neoplasm Staging
Peritoneal Neoplasms
Prognosis
Retrospective Studies
Risk Factors
Survival Rate
Issue Date: 2012
Citation: Chieh Kow, A.W, David Kwon, C.H, Song, S, Shin, M, Kim, J.M, Joh, J.-W (2012). Risk factors of peritoneal recurrence and outcome of resected peritoneal recurrence after liver resection in hepatocellular carcinoma: Review of 1222 cases of hepatectomy in a tertiary institution. Annals of Surgical Oncology 19 (7) : 2246-2255. ScholarBank@NUS Repository. https://doi.org/10.1245/s10434-012-2260-3
Rights: Attribution 4.0 International
Abstract: Background. Reports on the risk factors of peritoneal recurrence (PR) after liver resection for hepatocellular carcinoma are lacking. We examined the risk factors of PR after hepatectomy and the outcome of resected PR at our institution. Methods. We retrospectively reviewed the data from 1,222 patients who underwent hepatectomies for hepatocellular carcinoma in Samsung Medical Center from January 2006 to August 2010. We identified patients with PR and studied the risk factors and outcomes of resected PR. Results. The rate of PR was 3.0% (n = 36). The mean ± SD age of patients was 54.0 ± 10.2 years. Among those with PR, 23 patients (63.9%) had unresectable disease and 13 patients (36.1%) had resectable disease. Multivariate analysis found that tumor size >50 mm, presence of microvascular invasion, bile duct invasion, and positive margins were significant risk factors of PR after liver resection. The median overall survival (OS) for resectable PR was 33.0 (28.0-61.6) months compared to 14.0 (6.8-21.2) months for unresectable PR (P = 0.009). Cox regression analysis demonstrated that resected PR [hazard ratio (HR) 0.042, P = 0.001] and interval between hepatectomy and PR (>6months) (HR 0.195, P = 0.016) were positive prognostic factors for OS, while alfa-fetoprotein >200 ng/dl at detection of PR (HR 11.321, P = 0.015) and serosal involvement of primary hepatocellular carcinoma (HR 25.616, P = 0.007) were negative prognostic factors for OS. Conclusions. We found that tumor size >50 mm, presence of microvascular invasion, bile duct invasion, and positive resection margins were significant risk factors of PR after liver resection. Selected patients with resected PR had significantly better OS. © 2012 Society of Surgical Oncology.
Source Title: Annals of Surgical Oncology
URI: https://scholarbank.nus.edu.sg/handle/10635/180828
ISSN: 1068-9265
DOI: 10.1245/s10434-012-2260-3
Rights: Attribution 4.0 International
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