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This is a xray of 25 year old male who received a punch in the lateral side of neck 1 day ago. Now have pain and swelling in the neck. Interpret this xray if any abnormality
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Reading File
Reading File
Finding Sources
Now I have enough reference material. Let me provide a thorough interpretation based on careful analysis of all 6 images.
Cervical Spine X-Ray Interpretation
Patient: 25-year-old male | Mechanism: Punch to lateral neck, 1 day ago | Symptoms: Pain and swelling
Views Available
- Lateral view (Left marker – "L") — multiple shots showing left lateral cervical spine
- AP (Anteroposterior) view (Right marker – "R") — showing the cervical spine from front
Systematic Analysis
Lateral View Findings
1. Alignment / Lordosis
The normal cervical lordosis (the gentle forward curve) appears reduced/straightened — there is a loss of the normal lordotic curvature in the mid-cervical region. This "military neck" or straightening is a common finding after acute cervical trauma and may reflect muscle spasm or, more significantly, underlying ligamentous injury.
2. Vertebral Bodies
The vertebral body heights appear grossly maintained with no obvious collapse or wedging visible. No clear fracture line is identifiable on this plain radiograph.
3. Prevertebral Soft Tissue Shadow ⚠️
On the lateral view, the prevertebral soft tissue space anterior to the vertebral bodies should be assessed. The upper limit of normal at C3 level is ≤4–7 mm, and at C6 it is ≤22 mm. There appears to be borderline widening of the prevertebral soft tissue shadow, which is a critical indirect sign of:
- Prevertebral hematoma
- Occult cervical fracture or ligamentous injury
- Retropharyngeal hemorrhage
Per Bradley and Daroff's Neurology in Clinical Practice: "Prevertebral soft-tissue swelling should also be noted on the lateral C-spine x-rays. The upper limit of normal at the level of C3 is 4 mm." Any widening beyond normal limits suggests underlying injury even if no fracture is visible.
4. Disc Spaces
No obvious disc space narrowing or widening. Anterior disc space widening would suggest hyperflexion injury.
5. Spinous Processes
The interspinous distances appear approximately equal — no fanning (which would suggest posterior ligamentous disruption).
6. Odontoid / C1-C2 region
The upper cervical spine is partially obscured by the mandible — the atlanto-dental interval (ADI) cannot be fully assessed. ADI >3 mm in adults suggests transverse ligament disruption.
AP View Findings
1. Vertebral Body Alignment
The vertebral bodies appear roughly aligned in the AP view. No obvious lateral shift.
2. Spinous Process Alignment
The spinous processes in the AP view form a relatively central column — no obvious rotational injury (rotatory subluxation would show lateral deviation of a spinous process).
3. Pedicle spacing
Pedicle distances appear symmetric — no burst fracture (which typically shows widened interpediculate distance on AP view).
4. Cervicothoracic junction
The C7/T1 junction is partially visible — no gross abnormality, though this region is difficult to fully assess on plain film.
Key Radiographic Concern
The most important finding is the apparent loss of normal cervical lordosis combined with the clinical context of a direct lateral blow. This pattern raises concern for:
| Concern | Why |
|---|---|
| Cervical muscle spasm / soft tissue injury | Most likely; loss of lordosis, mechanism |
| Prevertebral hematoma | Borderline soft tissue shadow widening |
| Occult ligamentous injury (especially uncovertebral/facet) | Plain X-ray has ~60–70% sensitivity for cervical injuries |
| Transverse process fracture | Lateral punch mechanism; not well seen on plain film |
| Facet joint injury | Lateral force mechanism |
What Plain X-Ray CANNOT Exclude
Plain cervical radiographs detect only ~85–90% of significant cervical injuries when the entire spine including C7-T1 is visualized (Morgan & Mikhail). Crucially:
- Ligamentous injuries are invisible on plain X-ray
- Small fractures (especially transverse processes, facets, pedicles) may be missed
- Prevertebral soft tissue widening may be the only plain film sign of a significant occult injury
Recommendation
This X-ray does NOT definitively rule out a significant cervical injury.
Urgent next steps:
- CT cervical spine — gold standard for bony injury; detects fractures missed on plain film, particularly at the cervicothoracic junction and occipitocervical region. CT angiography should be added if transverse process fractures are found (risk of vertebral artery injury).
- MRI cervical spine — essential if neurological signs/symptoms are present, or if CT shows any suspicious finding; evaluates ligamentous injury, cord edema, and disc herniation.
- Cervical immobilization (rigid collar) until imaging is complete.
- Assess for neurological deficits — Horner syndrome (stellate ganglion injury), brachial plexus involvement, radiculopathy, or myelopathy signs.
- Monitor airway — lateral neck blow can cause delayed hematoma with airway compromise.
Summary: The lateral and AP cervical spine X-rays show loss of normal cervical lordosis (consistent with muscle spasm or ligamentous injury) and a borderline prevertebral soft tissue shadow, against a background of significant trauma. No definitive fracture is visible, but plain radiographs are insufficient to clear the cervical spine in this clinical scenario. CT cervical spine is mandatory.
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