PMC9608010_01
Magnetic resonance imaging of brain at initial presentation.
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Magnetic resonance imaging of brain was obtained which demonstrated a large, 6 cm x 6 cm, necrotic left frontal mass with associated midline shift but without significant peritumoral edema (Figure 1).
Computed tomography of the liver showing multiple liver lesions.
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The largest of these lesions was noted in the anterior segment and inferior margin of the right lobe showing rim enhancement while the other lesions were completely opacified (Figure 2).
Magnetic resonance imaging of brain at recurrence post surgery.
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At that time, magnetic resonance imaging of brain showed no evidence of intracranial recurrence (Figure 3).
Hematoxylin and eossin tain of liver biopsy.
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Computed tomography guided liver biopsy demonstrated ovoid spindle cell proliferation with indistinct cell borders arranged haphazardly and dilated, branching, staghorn blood vessels (Figure 4).
Strong STAT 6 positivity on liver.
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Immunohistochemistry was positive for STAT6 (Figure 5), CD34, vimentin, CD99, and BCL-2.