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Abdominal CT scan shows lower left renal mass (arterial phase).
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Abdominal CT scan revealed an expansive mass in the middle and lower third of the left kidney, confined to the renal capsule (Figs. 1 and 2).
Abdominal CT scan shows lower left renal mass (portal phase).
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Abdominal CT scan revealed an expansive mass in the middle and lower third of the left kidney, confined to the renal capsule (Figs. 1 and 2).
(A) Monomorphic neoplastic spindle cells mitotic activity (H & E, x400). (B) Vimentin immunopositive cells (x400). (C) AE1/AE3 focal immunopositive cells (x400). (D) CD99 immunopositive cells (x400).
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Immunohistochemistry analysis, using the streptavidin biotin peroxidase method, stained positive for P53, vimentin, CD99, and focally positive for AE1/AE3 and EMA (Fig. 3B-D).