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Fig. 5 | EJNMMI Research

Fig. 5

From: Tumour-to-liver ratio determined by [68Ga]Ga-DOTA-TOC PET/CT as a prognostic factor of lanreotide efficacy for patients with well-differentiated gastroenteropancreatic-neuroendocrine tumours

Fig. 5

Representative case of a 55-year-old male with a previous primary pancreatic NET grade 2. The patient underwent surgery for the primary pancreatic NET 8 years prior, and multiple lung nodules were found in a follow-up chest CT image. MIP (a) and trans-axial (b, c) [68Ga]Ga-DOTA-TOC PET/CT images demonstrate small metastases with moderate uptake (red and blue arrows) in both lungs. His low TLR (0.98) and low SUVmax (5.85) predicted a poor prognosis; however, his good ECOG performance status (0) and low WTV (0.0) predicted a good prognosis. After lanreotide therapy, disease progression (metastatic nodule) was found in the right lower pulmonary lobe (red arrow; long-diameter increased from 1.2 to 1.7 cm) after 3 months of follow-up

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