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Fig. 1 | Cancer Imaging

Fig. 1

From: 18F-FDG PET/CT based spleen to liver ratio associates with clinical outcome to ipilimumab in patients with metastatic melanoma

Fig. 1

Spleen to Liver Ratio (SLR) on positron emission tomography. Example of normal splenic FDG tracer uptake (left) compared to abnormally high tracer uptake within the spleen (right). The SUV is calculated by placing 2 cm spherical volumes of interest in the liver and spleen respectively (as depicted by red circles). The spleen to liver ratio (SLR) is calculated by dividing the SUVmean of the spleen by the SUVmean of the liver. SLR > 1.1 is considered abnormally high

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Cancer Imaging

ISSN: 1470-7330

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