Gaint cell tumour of manubrium sterni - a rare case

Giant cell tumors of the manubrium sterni are extremely rare. There are no reports of gaint cell tumor involving the manubrium sterni in the literature till date. They typically arise in the metaphyseal-epiphyseal area most commonly in the distal femur, proximal tibia, and distal radius. They have rarely been reported in other sites, such as the chest wall or sternum. We report a case of an isolated giant cell tumor of the manubrium sterni in a 28-year old lady who presented with a slowly growing mass over the upper chest in the midline. X- Ray showed an expansile cystic lesion over the manubrium with intact cortex. Computed Tomography chest showed similar findings and Fine Needle Aspiration Cytology had features of giant cell tumor. The mass was resected and the manubrium was primarily reconstructed with bilateral pectoralis muscle advancement flaps with excellent functional and aesthetic result. The resected specimen showed microscopic features of benign giant cell tumor. The patient is well with stable stenum and no evidence of recurrence. At 2 months of follow up.