College of American Pathologists

2011 — April Case of the Month

Posted May 06, 2011


CAP Foundation April 2011 Online Case of the Month

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A 52-year-old man presents with neurologic signs suggesting a right hemispheric brain lesion. MRI demonstrated an extra-axial right parietal mass measuring 12.0 cm in greatest dimension. There was compression of the underlying cortex with a right-to-left midline shift. The overlying calvarium did not show bony involvement by the mass. The tumor was resected and grossly appeared red-brown and gelatinous.

The master list with the correct answer

  • Chordoid glioma
  • Chordoid meningioma
  • Chordoma
  • Mucinous adenocarcinoma, metastatic
  • Myxoid chondrosarcoma

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  • Appropriate diagnosis
  • Critique
  • References

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