Not an emergency . Can wait but will need surgery  .Better if done earlier., protect from trauma . Needs clinical examination ideally , also share x-rays .

Bone cyst of 2.5 cms wont fracture, but better to treat when they are smaller. It doesn’t look like cancer, but a bone scan will tell us if the cyst is active or dormant. Then you will need surgery. A MINIMALLY INVASIVE TREATMENT is possible. We have given mixture of medications including albumin which helps resolve the cyst.

You must address it ASAP as this makes it vulnerable and your age you would like to live the fullest and in a carefree manner.

Yes t cyst can Increase in size gradually and would be difficult to treat later and if more than two thirds bone gets involved can cause fracture Treatment consists of excision of the cyst and thorough curettage and filling up the defect with bone graft That will assure that you don’t have a pathological fracture and can function normally

After confirmation of diagnosis you may benifit from injection into the cyst which can regress the size an relive you of symptoms. Serial MRI follow ups fr assesment is helpful tool after that if increases may need surgery.