PMC4200876_01
(a) Preoperative MRI (T1 sequence with gadolinium injection) showing the tumour in the right nasal fossa with intracranial extension with mass effect on the orbit. (b) Post operative MRI (T2 sequence with gadolinium injection) at 5 years showing no evidence of tumour recurrence.
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PMC4200876_02
Photo 1: immunohistochemical analysis showing focal positive Ps 100 staining (indicating a nerve sheet origin) with scattered spindle cells (IHC x40). Photo 2: immunohistochemical analysis showing strong focal positive myogenin staining (indicating a striated muscle cells IHC x25). Photo 3: immunohistochemical analysis showing strong positive desmine staining (indicating a striated muscle cells IHC x10). Photo 4: immunohistochemical analysis showing strong positive vimentin staining (indicating a mesenchymal cells IHC x40).
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