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Morphology: Malignant LNs
• Malignant characteristics
– Round shape
– Necrosis
– Signal intensity similar to primary tumour*
– Extracapsular tumour extension
– Speckled calcification (e.g. in mucinous
adenocarcinoma of colon or ovary)
*Barentsz J et al, Radiology 1996; 201:185-193