Giant cell tumour (GCT) is a benign, locally aggressive tumour of the bone that accounts for 5% of primary bone tumours and 21% of benign bone tumours. This tumour more commonly presents as a single (solitary) lesion; however, it may appear with multiple (multicentric) lesions in less than 1% of the cases. According to the literature, 1-9% of solitary GCTs metastasizes to the lung, more commonl...
