Histology Course S VII 20 Department of Pathology, University of Zurich Histology Course

S VII 20 oligodendroglioma HE further information (German) on HiPaKu
  ICD-10: C71.9; ICD-O: 9450/3

40-year-old female.  Over 10-year history of generalised convulsions. Few months’ history of headache as well as increased frequency of convulsions and development of symptoms  in one part of the body. CT shows large tumour, mainly temporal in location.

- Isomorphous tumour of moderate cell density
- The tumour cells show small compact nuclei rich in chromatin and light-coloured cytoplasm (so-called honeycomb or fried egg cells)
- There are numerous small calcifications, especially in the bordering areas, but also partly in the bordering tissue.
- Fine mesh-like vessel patterns
WHO grade II