PMC10184039_01
Contrast-enhanced CT scan of the abdomen showing renal mass in the right kidney.
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F1
There were also multiple enlarged retrocaval and aortocaval nodes, the largest measuring 25* 12 mm (Figure 1).
FDG PET CT showing uptake in the right renal mass.
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F2
She underwent metastatic workup by an FDG positron emission tomography (PET) CT scan (Figure 2), which showed a metabolically active heterogeneously enhancing lobulated solid cystic lesion in the right kidney along with metabolically active right renal hilar and aortocaval lymph nodes.
(A) Haematoxylin and Eosin staining; (B) Synaptophysin Positivity on Immunohistochemistry.
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F3
The tumor was found to be synaptophysin positive, chromogranin negative, and CD56 focally positive with Ki-67 of 2-3% (Figure 3).