PMC4861849_01
Plain dorsal and lumbar spine x-ray of 27-year-old male patient 8 months before CT-guided biopsy. It is not easy to find the expansile lytic sacral lesion on this image.
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Imaging revealed an expansile lytic lesion in the body of the first sacral vertebra (S1) (Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7).
Plain Axial FSE T1W image of first sacral vertebra shows slightly increased signal in the sacral lesion (arrow).
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Imaging revealed an expansile lytic lesion in the body of the first sacral vertebra (S1) (Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7).
Sagittal FSE T1W image of the first sacral vertebra shows slightly increased signal in the lesion (arrow).
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PMC4861849_01_gr3.jpg
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Imaging revealed an expansile lytic lesion in the body of the first sacral vertebra (S1) (Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7).
Axial FSW T2W image of the first sacral vertebra shows slightly increased signal and heterogeneity (arrow).
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PMC4861849_01_gr4.jpg
fig4
Imaging revealed an expansile lytic lesion in the body of the first sacral vertebra (S1) (Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7).
Sagittal FSE T2W image of the first sacral vertebra shows slightly increased signal in the lesion with heterogeneity (arrow).
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PMC4861849_01_gr5.jpg
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Imaging revealed an expansile lytic lesion in the body of the first sacral vertebra (S1) (Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7).
Axial CT scan image with bone windowing shows an expansile lytic lesion in the first sacral vertebra (arrow).
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Imaging revealed an expansile lytic lesion in the body of the first sacral vertebra (S1) (Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7).
Axial CT scan image with bone windowing shows another focal expansile lytic lesion in the first sacral vertebra (arrow).
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Imaging revealed an expansile lytic lesion in the body of the first sacral vertebra (S1) (Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7).
CT-guided biopsy: Axial image shows the trochar and needle tip in a lytic bone lesion of the sacral vertebra.
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CT-guided biopsy was subsequently performed (Fig. 8), and histology confirmed the lesion to be Langerhans cell histiocytosis.