GIANT CELL TUMOUR

HALLMARK FEATURES:
      • Juxta articular or juxta apophyseal
      • Post epiphyseal closure
      • Periosteal reaction rare

Lytic
Oval
Metaphyseal reaching joint or apophysis

Poorly defined margin often misinterpreted as aggressive. Trabeculations


GIANT CELL REPARATIVE GRANULOMA

HALLMARK FEATURES:
      • If you're thinking of GCT in the metatarsals

Also called solid ABC
Occurs in jaw and small bones of the hands and feet
Third decade
Lucent, expansion, can breach cortex and involve soft tissues
The main differential diagnosis is GCT