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Surgical findings and pathological findings. (A) Surgical findings showing a grayish cyst-like tumor tissue in the muscle layer. (B) An incision in the dura revealing a thinned spinal cord and tumor mass. (C) Hematoxylin and eosin staining showing a malignant neoplasm composed of rhabdoid cells. (D) Although the INI1 protein is negative. (E) the BRG1 protein is positive on immunohistochemistry.
