Calcaneus Axial

Overview

The axial calcaneus radiograph images the calcaneal body and subtalar joint to detect fractures and joint involvement. The beam is angled cephalad to project the calcaneus free of superimposition. This view is essential for suspected calcaneal injury after axial load trauma.

Technique

Position the patient supine or prone and angle the tube approximately 40 degrees cephalad to the plantar surface. Center the detector to the calcaneus and include the subtalar joint. Immobilize the foot to reduce motion artifact.

Clinical Indications

Axial calcaneus is indicated for trauma heel pain and suspected intra articular fractures. It complements lateral views for comprehensive assessment. CT is often used for detailed evaluation and surgical planning.

Image Assessment

Evaluate calcaneal height width and posterior facet integrity. Inspect for comminution and subtalar joint involvement. Document fracture pattern and recommend CT for operative planning when indicated.

Clavicle AP Axial

Overview

AP axial clavicle radiographs use tube angulation to better visualize medial and lateral clavicular ends. The axial projection reduces overlap with thoracic structures and improves detection of subtle fractures. It is useful in trauma and follow up imaging.

Technique

Apply a cephalad tube angle and center to the clavicle ensuring the entire bone is included. Use immobilization and appropriate exposure settings. Document angle used for reproducibility.

Clinical Indications

AP axial clavicle is indicated for suspected medial or lateral clavicle fractures and non union assessment. It complements standard AP views for comprehensive evaluation. Orthopedic consultation is guided by displacement and joint involvement.

Image Assessment

Evaluate cortical continuity and alignment at the sternoclavicular and acromioclavicular ends. Assess for shortening and comminution. Report findings and recommend further imaging if surgical planning is required.

Scaphoid Axial View

Overview

The axial scaphoid view images the scaphoid in a different plane to better visualize the proximal pole and waist. It is obtained with specialized positioning to elongate the scaphoid. This view aids in detecting fractures that may be occult on standard projections.

Technique

Position the wrist in ulnar deviation and apply a specific tube angle to project the scaphoid axially. Center to the scaphoid and use tight collimation for detail. Immobilize the wrist to minimize motion artifact.

Clinical Indications

Axial scaphoid views are indicated when standard scaphoid projections are inconclusive and clinical suspicion remains high. They help detect proximal pole fractures and guide immobilization decisions. MRI or CT is used for definitive diagnosis when radiographs are negative.

Image Assessment

Inspect the scaphoid waist and proximal pole for cortical disruption and sclerosis. Evaluate for associated radial styloid fractures and carpal instability. Report findings and recommend advanced imaging if needed.