Pin migration. Lateral radiograph of the right elbow 2 years after TBW of an isolated olecranon fracture in a 42-year-old woman. Despite fracture union, backing out of K-wires was evident. The patient was complaining for pain during elbow movements (VAS pain subjective score = 4) and skin irritation. Removal of metalwork was followed by partial resolution of symptoms as mild discomfort was reported even 8 years postopeartively (VAS pain subjective score = 2).