Ultrasound of the ankle and foot.

Ultrasound is an excellent tool for evaluating common ankle problems. it is more economical than MRI and its real-time nature helps in correlating the study with the symptomatic area. US can be used in ankle to evaluate tendons (including tears, tendinitis and tenosynovitis), joints, plantar fascia, ligaments, soft tissue masses, ganglion cysts, Morton's neuroma, and to look for foreign bodies. Power Doppler can be used to evaluate blood flow in acute inflammatory process and in reflex sympathetic dystrophy.