Abstract
BackgroundMultidetector computed tomography (MDCT) has become the main investigation of choice for staging of many cancers.AimThe purpose of this pictorial review is to discuss the imaging appearances on CT of some of the more common cancers arising within the abdomen and pelvis and to describe their typical sites of local, nodal and haematogenous tumour spread.MethodsCancers arising from the stomach, pancreas, colon, kidney, ovary and prostate will be reviewed.ResultsAwareness of the characteristic sites of tumour spread is important to allow accurate identification of all sites of disease.ConclusionThis will clearly have an impact on both patient management and prognosis.
Highlights
In the last 2 decades, cross-sectional imaging, in particular multidetector computed tomography (MDCT), has becomeN
The identification of nodal involvement on CT is based on nodal size, typically using a minimum cutoff of 1 cm in short axis diameter, this can lead to both underand over-staging of metastatic nodal involvement
The purpose of this pictorial review is to discuss the imaging appearances on CT of some of the more common cancers arising within the abdomen and pelvis and to describe their typical sites of local, nodal and haematogenous tumour spread
Summary
In the last 2 decades, cross-sectional imaging, in particular multidetector computed tomography (MDCT), has becomeN. The purpose of this pictorial review is to discuss the imaging appearances on CT of some of the more common cancers arising within the abdomen and pelvis and to describe their typical sites of local, nodal and haematogenous tumour spread. Haematogeneous spread via the portal vein to the liver occurs in 25% of patients at presentation, with liver metastases typically appearing as rim-enhancing lowattenuation lesions during the portal venous phase.
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