PMC4290071_01
MIP image showing focal intense tracer uptake at the primary site in right tibia (a - arrow) with another focus of FDG uptake in liver (a - arrowhead), which was confirmed on axial fused PET/CT image (b - arrow). Post chemotherapy MIP image shows complete regression of FDG uptake in right tibia (c - arrow); however, there is increase in size and metabolic activity of FDG uptake in liver (d - arrow, compared with b)
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F1
Maximum intensity projection (MIP) image [Figure 1a] showed intense focus of tracer uptake in the right leg (arrow) and liver (arrow-head). An intense solitary focus of FDG uptake was seen in hypodense lesion in caudate lobe of liver [Figure 1c - arrow], which was presumed to be metastatic on the basis of imaging findings. CT images. Contrary to this, the focal hepatic lesion in caudate lobe of liver showed significant increase in size and metabolic activity [Figure 1b - arrow head]; measuring 31 mm, with max SUV of 14.6 on axial fused PET/CT images [Figure 1d - arrow].
Photomicrographs (a: x100, Papanicolaou Stain) show epithelioid cells (a - arrow), with pale elongated oval shaped cells (b - x200, Papanicolaou Stain) showing slipper or sole of the foot shaped nuclei (b - inset)
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F2
Microscopic examination showed collection of epitheloid cells on Papanicolaou Stain [Figure 2a - arrows and Figure 2b] with pale oval shaped cells showing slipper shaped nuclei [Figure 2b - inset].