PMC3765606_01
Axial PET-IMG/CT shows hypermetabolic activity with standard uptake of 3.8 to 4.1 in left biceps femoris.
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PMC3765606_01_40064_2013_473_Fig1_HTML.jpg
Fig1
A 28 x 17 x 7 cm resected mass was determined to be metastasis from his primary RCC (Figures 1, 2, 3, 4, 5 and 6).
A coronal PET-IMG/CT demonstrating significant enlargement of soft tissue and fatty components in the biceps femoris muscle belly. Multiple serpiginous vessels are seen coursing through the soft tissue and surrounding edema.
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PMC3765606_01_40064_2013_473_Fig2_HTML.jpg
Fig2
A 28 x 17 x 7 cm resected mass was determined to be metastasis from his primary RCC (Figures 1, 2, 3, 4, 5 and 6).
T1-weighted axial MR image with fat saturation shows an encapsulated soft tissue mass with in the left biceps femoris muscle.
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PMC3765606_01_40064_2013_473_Fig3_HTML.jpg
Fig3
A 28 x 17 x 7 cm resected mass was determined to be metastasis from his primary RCC (Figures 1, 2, 3, 4, 5 and 6).
A T2- weighted axial MR image showing avid enhancement of soft tissue components throughout the region indicating presence of various mesenchymal components including fat. Multiple serpiginous enlarged draining and feeding vessels can also be identified.
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PMC3765606_01_40064_2013_473_Fig4_HTML.jpg
Fig4
A 28 x 17 x 7 cm resected mass was determined to be metastasis from his primary RCC (Figures 1, 2, 3, 4, 5 and 6).
Light microscopy 4X showing malignant cells with clear cytoplasm invading into surrounding soft tissue and skeletal muscle.
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PMC3765606_01_40064_2013_473_Fig5_HTML.jpg
Fig5
A 28 x 17 x 7 cm resected mass was determined to be metastasis from his primary RCC (Figures 1, 2, 3, 4, 5 and 6).
Light microscopy 40X showing malignant cells with clear cytoplasm along with distinct cell membranes and prominent nucleoli. It was positive for cytokeratin, RCC, p-NRA and negative for CK7, CK20, S-100, MART-1, and PAS.
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PMC3765606_01_40064_2013_473_Fig6_HTML.jpg
Fig6
A 28 x 17 x 7 cm resected mass was determined to be metastasis from his primary RCC (Figures 1, 2, 3, 4, 5 and 6).