Case ReportGiant cell tumour of clavicle: Occurrence of a common tumour in a rare location

•Giant cell tumour of clavicle is a rare entity.•The differntial diagnosis of giant cell tumour of clavicle which pose a diagnostic challenege gor both surgeon and histopathologist are aneurysmal bone cyst, non ossifying fibroma, tubercular osteomyelitis and eosniophilic granuloma.•Claviculecomy is a good option with no disability noted at long term.

IntroductionThe clavicle is rare site of bone tumours. Majority of the tumours of clavicle are malignant and are often misdiagnosed due to low index of suspicion. The oncological patterns of clavicle resemble that of flat bones.Case presentationA 60 year old man presented to our centre with pain and swelling over lateral end of left clavicle. After thorough investigation a provisional diagnosis of giant cell tumor was made which was treated with partial claviculectomy. At one year follow up, there was no shoulder disability or any incidence of recurrence.ConclusionSince majority of clavicular tumors are malignant so any selling occurring in this area should be seen with high index of suspicion and should be investigated thoroughly.