Histology Course S VII 21 Department of Pathology, University of Zurich Histology Course

S VII 21 meningioma HE further information (German) on HiPaKu
  ICD-10: C70.0; ICD-O: 9530/0

80-year-old male. Incidental postmortem finding. The meningeoma of the falx of the dura mater (falx menigeoma) is approximately 3 cm long and 1.5 cm thick.

- The tumour cells form a synctitium without a distinct plasma membrane.
- Typically seen are onion bulb formations which occasionally degenerate and calcify (psammoma bodies).
- A further characteristic feature are the nuclei, which appear to be empty.
WHO grade I