Biocomposite screw is not harmless

 This patient is 2 yrs postop acl recon playing professional club football. Presented eith  2 month pain and swelling anteriomedial tibia. Knee stable and normal. MRI pics below

A waiting cultures including mycobacterium and fungal. All cultures were negative. Inspite of B tcp which was to reduce local infalmmmation by bringing in osteoblasts early. this happened. wouldn't peek implants be better as thet do not xause anty local reaction