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Distribution of liver metastases based on the site of primary pancreatic carcinoma

Authors :
Giulia Zamboni
Roberto Pozzi Mucelli
Maria Chiara Ambrosetti
Source :
European Radiology. 26:306-310
Publication Year :
2015
Publisher :
Springer Science and Business Media LLC, 2015.

Abstract

To investigate whether the different location of pancreatic adenocarcinoma affects the lobar distribution of metastases to the liver.From all patients who underwent multidetector computed tomography (MDCT) examinations for staging of pancreatic adenocarcinoma in the last 4 years we selected 80 patients (42 men, 38 women; mean age, 60.56 years) with liver metastases and a pancreatic adenocarcinoma of the head (group A, 40 patients; diameter, 32.41 ± 2.28 mm) or body-tail (group B, 40 patients; diameter, 52.21 ± 2.8 mm). We analysed tumour site, diameter, vascular invasion and number of metastases in each lobe of the liver. The total number of metastases was compared between the two groups with an unpaired t-test, while Fisher's test was used to compare the number of metastases within the two lobes.As expected, the number of liver metastases was higher in group B than in group A. The ratio of metastases in the right-to-left hemi-liver was 7.4:1 for group A compared with 3.3:1 for group B (p 0.0001).Although the number of liver metastases is higher in the right lobe than in the left lobe in both groups, there is a significant difference in the ratio of metastases between the right and the left hemi-liver. This supports the existence of a streamline phenomenon and a selective lobar distribution of metastases within the liver.• Pancreatic adenocarcinoma presents with liver metastases in 40% of cases • The presence of liver metastases disqualifies the patient from curative surgery • The distribution of metastases within the liver depends on the site of pancreatic adenocarcinoma • The distribution of liver metastases is due to the streamline phenomenon.

Details

ISSN :
14321084 and 09387994
Volume :
26
Database :
OpenAIRE
Journal :
European Radiology
Accession number :
edsair.doi.dedup.....83db0a425cb0ab6eafa0366fbc3f2f9b
Full Text :
https://doi.org/10.1007/s00330-015-3843-8