CTICasesSpinal Psoriatic Arthritis
Imaging findings
Chest radiograph and spinal CT/MRI demonstrate dense sclerosis and endplate erosions across multiple contiguous thoracic vertebral bodies with surrounding inflammatory soft tissue (paravertebral pannus). The findings have been stable over 15 years in a patient with psoriatic arthritis.
Key takeaways
Psoriatic arthritis is a seronegative spondyloarthropathy that can involve the axial skeleton. Vertebral involvement can present as contiguous sclerosis and endplate erosions with surrounding inflammatory paravertebral soft tissue, mimicking infection but showing a chronic, stable course.
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