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J Surg Oncol. 2018 Apr;117(5):819-828. doi: 10.1002/jso.25024. Epub 2018 Mar 6.

Role of staging laparoscopy in the management of Pancreatic Duct Carcinoma (PDAC): Single-center experience from a tertiary hospital in Brazil.

Author information

1
Medical Oncology Department-A.C. Camargo Cancer Center, São Paulo, SP, Brazil.
2
Abdominal Surgery Department-A.C. Camargo Cancer Center, São Paulo, SP, Brazil.

Abstract

BACKGROUND:

Proper staging is critical to the management of pancreatic ductal carcinoma (PDAC). Laparoscopy has been used to stage patients without gross metastatic disease with variable success.

OBJECTIVES:

We aimed to identify the frequency of patients diagnosed by laparoscopy with occult metastatic disease. Also, we looked for variables related to a higher chance of occult metastasis.

METHODS:

Patients with PDAC submitted to staging laparoscopy either immediately before pancreatectomy or as a separate procedure between January 2010 and December 2016 were included. None presented gross metastatic disease at initial staging. We used logistic regression to search for variables associated with metastatic disease.

RESULTS:

The study population consisted of 63 patients. Among all patients, nine (16.7%) had occult metastases at laparoscopy. Unresectable tumor (Odds ratio = 18.0, P = 0.03), increasing tumor size (Odds ratio = 1.36, P = 0.01), and abdominal pain (Odds ratio = 5.6, P = 0.04) significantly predicted the risk of occult metastases in univariate analysis. In multivariate analysis, only tumor size predicted the risk of occult metastases.

CONCLUSION:

Laparoscopy remains a valuable tool in PDAC staging. Patients with either large or unresectable tumors, or presenting with abdominal pain present the highest risk for occult intra-abdominal metastases.

KEYWORDS:

cancer; laparoscopy; metastasis; pancreatic

PMID:
29509968
DOI:
10.1002/jso.25024
[Indexed for MEDLINE]

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