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Chordomas are tumors of notochordal differentiation of low to intermediate grade malignancy. These tumors are typically slow growing, with an indolent but progressive clinical course. We present a case of a highly proliferative chordoma arising in a 73‐year‐old woman with unusually rapid clinical growth and aggressive histologic and immunohistochemical features. This patient had an unusually brief...
We report here the case of an 82‐year‐old woman who presented with visual disturbance. MRI demonstrated a sellar mass. The diagnosis of pituitary adenoma was made. She underwent transnasal surgery. Histologic, immunohistochemical and ultrastructural studies indicated that the tumor was a melanoma. Despite an exhaustive search for a primary lesion elsewhere, none was found. The sellar tumor was considered...
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