Epidemiology of bone tumours -- Radiological investigation of bone tumours -- Morphological diagnosis of bone tumours -- Cytology of normal constituents in bone aspirates and of reactive changes -- Cytological features of bone tumours in FNA smears I : osteogenic tumours -- Cytological features of bone tumours in FNA smears II : cartilaginous tumours -- Cytological features of bone tumours in FNA smears III : Ewing family tumours -- Cytological features of bone tumours in FNA smears IV : notochordal tumours -- Cytological features of bone tumours in FNA smears V : giant-cell lesions -- Rare targets for FNAC and diagnostic problems with benign tumours/lesions with variable numbers of osteoclast-like giant cells -- Lymphohaematopoetic and histiocytic tumours -- Inflammatory lesions -- Bone metastases -- Fine needle aspiration as the first diagnostic modality for spinal and sacral lesions