What makes small ovarian lesions light up like a lightbulb?
Survival for patients with ovarian cancer is mostly determined by the complete removal of the primary tumour at the time of the initial surgery. For this to occur the extent of disease needs to be determined as effectively as possible.
This study advocates the use of diffusion weighted MRI (DWI), to show small metastases close to bowel loops. DWI plots the distribution of hydrogen atoms and measures the change in motion of these when captured in a metastasis.
Using DWI, after proper bowel preparation to overcome signal artefact, has been shown to clearly lesions measuring 4mm. or more. Using the imaging it is possible to assess the likelihood of complete clearance with an accuracy of 90%.
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