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Fig. 2 | BMC Cancer

Fig. 2

From: Sentinel node theory helps tracking of primary lesions of cancers of unknown primary

Fig. 2

Images of a clinical CUP patient with cervical lymph node metastases. Nasopharynx endoscopy was negative in 2011, with the primary lesion emergent in 2013. The primary cancer was finally pathologically confirmed to be nasopharyngeal cancer, demonstrating the value of SLN theory in tracking the primary. A: Image of 18F-FDG PET-CT scan in 2011 showing only cervical lymph node metastases (black and white arrow) and was otherwise normal. B: Magnetic resonance imaging of nasopharynx in 2011 with no suspicious lesion. C: Magnetic resonance imaging of nasopharynx in 2013 with a suspicious lesion (red arrow), which was later confirmed by biopsy and pathological data

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