PMC10159329_01
Sagittal view of computed tomography scan showing lytic lesion (marked by arrow in the figure) in the body of S1 vertebra.
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F1
The X-rays and computed tomography (CT) scan of the lumbosacral spine showed a lytic S1 sacral alar lesion [Figures 1 and 2].
Coronal view of computed tomography scan showing expansile lesion in sacral ala (marked by arrow in the figure) and S1 vertebral body.
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F2
The X-rays and computed tomography (CT) scan of the lumbosacral spine showed a lytic S1 sacral alar lesion [Figures 1 and 2].
T2 weighted sagittal magnetic resonance imaging scan showing hyperintense lesion in S1 vertebral body expanding into the ala of sacrum (marked with arrow in figure).
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F3
The T1 magnetic resonance imaging images showed a hypointense lesion within the sacral ala and S1 body, while the T2 and short tau inversion recovery images revealed a hyperintense lesion with retropulsion into the spinal canal contributing to stenosis [Figure 3].
Biopsy photograph obtained from the patient showing features of giant cell tumor.
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F4
A percutaneous biopsy of the sacral ala confirmed the diagnosis of a GCT [Figure 4].
Intra operative picture showing Curetted S1 body lesion (marked by arrow in the figure) by anterior approach.
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F5
The patient first underwent an anterior transperitoneal tumor resection [Figure 5]; this was followed by a secondary posterior lumbopelvic fusion [Figure 6].
Post-operative radiograph done at 1 month after lumbopelvic fixation.
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F6
The patient first underwent an anterior transperitoneal tumor resection [Figure 5]; this was followed by a secondary posterior lumbopelvic fusion [Figure 6].