Histology Course S I 20 Department of Pathology, University of Zurich Histokurs

S I 20 giant-cell granuloma HE  
  ICD-10: K06.8 or K10.1, if central

28-year-old female with a dark red, broad based swelling in the area of a premolar tooth. Diameter 1 cm. Surface partly smooth, partly ulcerating.

- Mass lesion below the mucosa consisting of giant cells and a stroma rich in cells.
- Many capillaries, some of which contain giant cells
- Haemosiderin deposit in the connective tissue