The Role of NM/CT 870 DR Camera in the Diagnosis of Joint Prosthesis and Tibial Open Reduction and Internal Fixation (ORIF) Complications.

The Role of NM/CT 870 DR Camera in the Diagnosis of Joint Prosthesis and Tibial Open Reduction and Internal Fixation (ORIF) Complications.

This is a prospective study. Patients' cohort is composed of 70 consecutive post joint replacement and post tibial ORIF patients, referred by their orthopedic surgeon to the Nuclear Medicine institute of Tel Aviv Sourasky Medical Center in the diagnostic work up of post operative bone infection and or mechanical loosening.

The proposed study will be presented to the ethical committee of the medical center and will be started once approved.

Inclusion Criteria:

1. Three months or more post joint replacement, or post tibial ORIF, or last surgical intervention adult patients suspected of bone infection and or mechanical loosening.

Exclusion Criteria:

1. Patients younger than 18 years;
2. Shorter than 3 month surgical intervention at the suspected area; Newly diagnosed (<3 months) fractures around the prosthesis;
3. Pathological fractures (e.g. Metastatic).