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Radiology

Magnetic Resonance Imaging of the Foot and Ankle

Built from Fundamentals of Diagnostic Radiology

The first 25 slides of Magnetic Resonance Imaging of the Foot and Ankle
The first 25 slides, exactly as they appear. The full deck has 64 content slides.

What’s inside

6 sections · 64 slides

  1. 01

    Overview

    • Role of MRI in the foot and ankle
    • Foot and ankle MRI: the five main areas

    2 slides

  2. 02

    Tendons

    The flexor tendons fail most; the extensors rarely do

    • Why tendons are imaged
    • Normal ankle tendon anatomy
    • Four patterns of tendon injury
    • Tenosynovitis and tendinosis
    • Partial tear and rupture
    • Achilles tendon basics
    • Treating an Achilles rupture
    • Torn Achilles tendon
    • The three flexor tendons
    • Posterior tibial tendon and the arch
    • PTT: partial tear versus rupture
    • PTT on MRI
    • Posterior tibial tendon tendinosis
    • Torn posterior tibial tendon
    • Flat foot and the spring ligament
    • Abnormal spring ligament
    • How a PTT tear progresses
    • 92%
    • Finding the FHL tendon
    • FHL in ballet dancers
    • Peroneal tendon anatomy
    • Peroneal tendon dislocation
    • Dislocated peroneus longus tendon
    • Peroneal entrapment and rupture
    • Longitudinal split tear of the peroneus brevis
    • Longitudinal split tear of the peroneus brevis

    26 slides

  3. 03

    Avascular Necrosis

    Bone death in the talar dome and tarsal bones

    • Osteochondral lesion of the talar dome
    • Reading an OCL for instability
    • Unstable osteochondritis dissecans of the talus
    • Avascular necrosis of a tarsal bone
    • Avascular necrosis of the tarsal navicular

    5 slides

  4. 04

    Tumors

    Masses that favor the foot, and muscle that mimics a mass

    • Tumors that favor the foot and ankle
    • Giant cell tumor of tendon sheath on MRI
    • Giant cell tumor of tendon sheath
    • Calcaneal tumor differential
    • Tarsal tunnel syndrome
    • Tarsal tunnel: what MRI adds
    • Ganglion causing tarsal tunnel syndrome
    • Anomalous muscles mimic tumors
    • Anomalous muscle (peroneus quartus)

    9 slides

  5. 05

    Ligaments

    The lateral complex bears over 90% of ankle sprains

    • MRI and acute ligament injury
    • Deltoid ligament
    • Lateral ligament complex: two groups
    • Lateral collateral ligaments: tibiofibular group
    • Lateral collateral ligaments: talofibular and calcaneofibular group
    • Anterior talofibular ligament injury
    • Anterior talofibular ligament
    • Conditions linked to chronic lateral tears
    • Sinus tarsi syndrome
    • Sinus tarsi syndrome
    • Anterolateral impingement syndrome
    • Anterolateral impingement syndrome

    12 slides

  6. 06

    Bony Abnormalities

    Coalition, stress fracture, and osteomyelitis

    • Tarsal coalition
    • Tarsal coalition
    • Stress fractures on MRI
    • Calcaneal stress fracture
    • Osteomyelitis in the diabetic foot
    • Takeaways for reading foot and ankle MRI
    • Five areas, five quick reads
    • Suggested Readings
    • Suggested Readings
    • Brant and Helms' Fundamentals of Diagnostic Radiology

    10 slides