Trabeculae or "cords" of frequently vacuolated eosinophilic cells are found in a myxoid background.

Chordoid menigiomas rarely occur in pure form and rather represent a feature in more aggressive (atypical or malignant) meningiomas. Therefore, presence of the chordoid morphological feature generally indicates a less favourable prognosis. They are WHO grade II.

Tumor tissue is reminiscent of Chordoma

A case report can be found here 45 yr F, more images

"Chordoid tissue": biological significance and relevance of the term

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