ISSN: 1899-0967
Polish Journal of Radiology
Established by prof. Zygmunt Grudziński in 1926 Sun
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1/2020
vol. 85
 
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Gastrointestinal and abdominal radiology
abstract:
Original paper

Is it possible to predict the side of hepatic metastases according to the primary location of colorectal cancer?

Ayşegül Gürsoy Çoruh
1
,
Çağlar Uzun
1
,
Esra Bozca
2
,
Büşra Bozca
2
,
İhsan Batuhan Demir
2
,
Hilal Gülseren Atasever
2
,
Berna Göçtürk
2
,
Batuhan Bakırarar
3
,
Cihangir Akyol
3

1.
Department of Radiology, School of Medicine, Ankara University, Ankara, Turkey
2.
Department of General Surgery, School of Medicine, Ankara University, Ankara, Turkey
3.
Department of Biostatistics, School of Medicine, Ankara University, Ankara, Turkey
Pol J Radiol 2020; 85: e595-e599
Online publish date: 2020/10/27
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Introduction
The aim of this study was to investigate the impact of the primary location of colorectal adenocarcinoma on the lobar distribution of its hepatic metastases based on the streamline hypothesis.

Material and methods
The hospital database was utilised to identify the colorectal cancer patients. Eighty-six patients diagnosed with colorectal adenocarcinoma, who had hepatic metastases on the initial diagnostic stage or on the follow-up investigations, were enrolled the study. Computed tomography (CT) images of the study population were reviewed for the primary location of the colorectal tumour, and the side and number of hepatic metastases.

Results
A total of 481 metastases were counted on CT from 22 right-sided and 64 left-sided colon tumours. The ratio of right-to-left hemiliver involvement was 1.97 : 1 for whole study population. The right-to-left ratio was calculated as 1.55 : 1 for right colon tumours and 2.17 : 1 for left colon tumours (p = 0.106). In the subgroup analysis with unilobar metastatic patients, again there was no significant difference in terms of the colorectal tumours’ primary location (p = 0.325).

Conclusions
The lobar distribution of hepatic metastases from colorectal adenocarcinoma may not be associated with the primary tumour localisation

keywords:

colorectal neoplasms, metastasis, liver, portal vein, streamline phenomenon

 
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