الفهرس 
? Anatomy of Ankle (Talocrural) JointOnly 14 pages are availabe for public view
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Abstract
Background: Most of the clinicians treat ankle injuries without knowing a true cause of it. chronic ankle pain is a common complaint in orthopedic practice, where its etiology includes various pathologies such as impingement syndromes, ligamentous tear or sprain & cartilaginous denudation. MR imaging is the most useful imaging method for detecting the osseous and soft-tissue abnormalities present in these syndromes and for ruling out other potential causes of chronic ankle pain.
Patients and Methods: The study was done at Ain Shams Hospital (Dec. 2019 to Dec. 2020) included 34 patients with chronic ankle pain (17 ligamentous cases & 17 cartilaginous cases). Study included 20 males (58.8 %) & 14 females (41.2 %) with age from 20-60 years (mean age 36.7 ± 11.3).
The scanned cases outcome: 4 cases had undergone open surgery, 11 cases had subjected to US guided local anesthetic & corticosteroid injection & 19 cases had undergone conservative treatment & follow up.
Patient assessment: age, sex, occupation, systemic diseases & present illness.
Inclusion Criteria: No age or sex predilection.
Exclusion Criteria: Prior surgery or MRI contraindications.
1. MRI procedure: 1.5/3T with suitable coil & small FOV.
2. Patient Preparation: ear plugs, gown & metal objects removal.
3. Patient Positioning: supine, feet first with placing of ankle coil.
4. Imaging Analysis: assess the cartilage’s thickness & apply T2 mapping evaluation.
Clinical Presentation: 8 cases out of the 34 (23.5 %) presented with traumatic ankle injury, 11 cases (32.4 %) presented with combined traumatic & twisted injury, 6 cases (17.6 %) presented pain after exercise, 4 cases (11.8 %) presented fracture injury & finally, 5 cases out of the 34 (14.7 %) showed no applicable history.
Results: Seven out of 34 cases shown variable types of impingement, eleven cases showed isolated ligamentous injuries while ten cases showed isolated cartilaginous impact, 4 cases showed combined ligamentous & cartilaginous injuries & finally, 2 out of the 34 showed osteoarthritis. The seventeen cases that diagnosed as isolated cartilaginous lesions had undergone to T2 mapping sequence. Their results are reflected by color-code score, which is normally in between 28 the best value “Orange Zone” to 78 the worst value “Blue Zone” on the color scale.