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Tibia Ankle and Foot Injury Diagnosis 30 Cases

30 Chapters
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01
Systematic Reading of an Ankle Radiograph
Apply a structured ABCS approach to a single ankle radiograph, explicitly identifying the relevant bony landmarks, joint spaces, and soft tissue contours to establish a baseline diagnostic routine.
SystematicRadiograph
02
Ottawa Ankle Rules Applied to a Real Patient Scenario
Evaluate a patient presentation against the Ottawa Ankle Rules to determine the necessity of radiography, documenting the specific tender zones and weight-bearing status that drive the decision.
ScenarioEvaluate
03
Distinguishing Lateral vs. Medial Malleolar Fractures on AP View
Compare the fracture lines, displacement, and associated soft tissue swelling of lateral and medial malleolar fractures on AP radiographs to correctly localize the injury and describe its pattern.
DistinguishingMalleolar
04
Weber Classification of Distal Fibula Fractures
Classify a series of distal fibula fractures according to the Weber system (A, B, C) using the level of the fracture relative to the tibiofibular syndesmosis on mortise and lateral views.
ClassificationFractures
05
Detecting Syndesmotic Injury on Mortise Radiographs
Measure the tibiofibular clear space and overlap on mortise views to identify syndesmotic widening, and correlate the findings with the mechanism of injury.
DetectingSyndesmotic
06
Lauge-Hansen Classification in Practice
Assign a Lauge-Hansen stage to an ankle fracture pattern by analyzing the position of the foot and the direction of force from the radiographs, and explain the implied ligamentous injury sequence.
Lauge-HansenClassification
07
Base of Fifth Metatarsal Fracture: Zone Identification
Differentiate among tuberosity avulsion, Jones, and diaphyseal stress fractures at the base of the fifth metatarsal on foot radiographs, specifying the zone and fracture orientation.
MetatarsalFracture
08
Lisfranc Injury: Radiographic Signs and Measurements
Identify Lisfranc joint instability by assessing the alignment of the second metatarsal base with the intermediate cuneiform and measuring the intermetatarsal distance on weight-bearing views.
LisfrancRadiographic
09
Navicular Fracture Detection and Description
Locate and describe navicular fractures on foot radiographs, distinguishing dorsal avulsion, body, and stress fractures, and noting any associated talonavicular incongruity.
NavicularFracture
10
Calcaneal Fracture: Böhler's Angle and Crucial Landmarks
Measure Böhler's angle and assess the posterior facet, calcaneal height, and width on lateral and axial views to characterize intra-articular calcaneal fractures.
CalcanealFracture
11
Talar Neck Fracture: Radiographic Evaluation
Identify talar neck fractures on lateral and AP views, describe displacement and Hawkins classification, and recognize the risk of avascular necrosis based on the fracture pattern.
FractureRadiographic
12
Ankle Stress Radiographs: Indications and Interpretation
Interpret gravity or manual stress radiographs for medial clear space widening, determining the presence of deltoid ligament incompetence in a supination-external rotation injury.
RadiographsIndications
13
Pediatric Ankle: Distinguishing Physeal Injury from Fracture
Evaluate a pediatric ankle radiograph to differentiate a Salter-Harris fracture from a normal physis, using the Thurston-Holland fragment and physeal widening as key signs.
PediatricDistinguishing
14
Accessory Ossicles vs. Fractures in the Foot
Distinguish accessory ossicles (os subfibulare, os trigonum, os peroneum) from acute fractures by analyzing cortical margins, location, and comparison with contralateral views.
AccessoryOssicles
15
Metatarsal Stress Fracture: Early Detection on MRI
Identify early signs of metatarsal stress fracture on MRI, including bone marrow edema and periosteal reaction, and grade the injury to guide return-to-activity decisions.
MetatarsalFracture
16
Ankle Ligament Injury: Ultrasound Assessment
Perform and interpret an ultrasound examination of the lateral ankle ligaments, focusing on the anterior talofibular and calcaneofibular ligaments, to grade sprain severity.
LigamentUltrasound
17
Osteochondral Lesion of the Talus: MRI Characterization
Describe an osteochondral lesion of the talus on MRI, including size, location, cartilage status, and subchondral bone edema, and assign a stage using a recognized classification.
OsteochondralMRI
18
Achilles Tendon Rupture: Clinical and Imaging Correlation
Correlate the clinical Thompson test and gap palpation with ultrasound findings to confirm a complete Achilles tendon rupture and measure the retraction gap.
AchillesClinical
19
Plantar Fasciitis: Diagnostic Ultrasound Findings
Identify ultrasound features of plantar fasciitis, including fascial thickening, hypoechogenicity, and calcaneal spur, and differentiate from plantar fascia rupture.
FasciitisDiagnostic
20
Ankle Fracture Dislocation: Reduction and Post-reduction Assessment
Describe the steps for closed reduction of an ankle fracture-dislocation and evaluate post-reduction radiographs for joint congruity, fracture alignment, and hardware placement if applicable.
FractureDislocation
21
Compartment Syndrome of the Foot: Clinical Diagnosis and Pressure Measurement
Apply the clinical signs and compartment pressure measurement technique to diagnose acute compartment syndrome of the foot in a patient with a crush injury, and outline emergent management.
CompartmentSyndrome
22
Diabetic Foot Ulcer with Suspected Osteomyelitis: Imaging Workup
Select and interpret imaging modalities (radiographs, MRI, bone scan) to diagnose osteomyelitis in a diabetic foot ulcer, focusing on distinguishing infection from Charcot neuroarthropathy.
DiabeticSuspected
23
Charcot Neuroarthropathy: Recognizing the Acute Phase
Identify the radiographic and clinical features of acute Charcot neuroarthropathy in the midfoot, including the 6 Ds, and differentiate from cellulitis or deep vein thrombosis.
NeuroarthropathyRecognizing
24
Ankle Arthroscopy: Diagnostic Indications and Findings
Determine the indications for diagnostic ankle arthroscopy in chronic ankle pain and describe the arthroscopic appearance of synovitis, cartilage defects, and loose bodies.
ArthroscopyDiagnostic
25
Stress Fracture of the Navicular: Bone Scan Interpretation
Interpret a triple-phase bone scan in a suspected navicular stress fracture, correlating focal uptake with clinical findings and explaining the rationale for MRI confirmation.
FractureNavicular
26
Ankle Impingement Syndrome: MRI and Clinical Diagnosis
Diagnose anterior ankle impingement by correlating MRI findings of osteophytes and synovial thickening with clinical signs of pain on dorsiflexion, and differentiate from other causes.
ImpingementSyndrome
27
Peroneal Tendon Subluxation: Dynamic Ultrasound Evaluation
Perform dynamic ultrasound during active ankle eversion to detect peroneal tendon subluxation or dislocation, and describe the retinaculum integrity and tendon position.
PeronealSubluxation
28
Tarsal Coalition: CT and MRI Diagnosis
Identify talocalcaneal and calcaneonavicular coalitions on CT and MRI, describing the bony or fibrous bridging and associated secondary signs such as talar beaking.
CoalitionMRI
29
Ankle Fracture Fixation: Post-operative Radiographic Assessment
Evaluate post-operative radiographs after open reduction and internal fixation of an ankle fracture, checking hardware position, fracture reduction, and signs of complications like screw loosening.
FractureFixation
30
Return-to-Play Decision After Ankle Sprain: Functional Testing
Design and interpret a functional testing protocol (balance, hop, agility) to determine readiness for return to sport after a lateral ankle sprain, integrating imaging and clinical findings.
Return-to-PlayDecision