PMC5379816_01
Contrast-enhanced MRI showing bilateral VS
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F1
MRI was performed and it revealed a bilateral VS [Figure 1].
Contrast-enhanced CT scan of the abdomen showing a huge right-sided retroperitoneal mass in front of the right kidney
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F2
CT scan of abdomen revealed a retroperitoneal mass just in front of the right kidney [Figure 2].
A histopathological picture of the retroperitoneal schwannoma
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F3
It was confirmed as schwannoma by histopathology [Figure 3], where the sections show a capsulated spindle cell neoplasm composed of Antoni A and Antoni B areas.
Contrast-enhanced MRI after the first operation showing a left-sided VS
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F4
Two months later, we operated on the left-sided tumour [Figure 4].