Clival chordoma

Discussion:

Pathology report:

The section shows fragments of a moderately hypercellular tumor. Tumor cells have small round and oval hyperchromatic nuclei and a large amount of cytoplasm with a physaliferous appearance. Much intra and extracellular mucin is noted. Tumor cells are arranged in lobules delimited by collagenous septa. A very occasional mitotic figure is identified. There is no evidence of necrosis. The features are of chordoma.

DIAGNOSIS: Clival tumor: Chordoma.

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