Picture of inflamed , lower limbs in legs of two patients , the patient had a diagnostic study few weeks ago what is mostly the study done

 (image) Picture of inflamed , lower limbs in legs of two patients , the patient had a diagnostic study few weeks ago what is mostly the study done:
- Ionic contrast study.
- Micro-bubble U/S.
- Isotope study.
- MRI with gadolinium. (true)