Imaging in psoriatic arthritis: established methods and emerging techniques

Area of Science:

• Rheumatology
• Musculoskeletal Diseases
• Medical Imaging

Background:

• Psoriatic arthritis (PsA) is a complex inflammatory disease causing bone damage and functional loss.
• PsA exhibits distinct bone remodeling patterns, including resorption and formation, unlike other inflammatory arthropathies.
• Late diagnosis of PsA can result in severe structural damage, such as arthritis mutilans, and significant disability.

Purpose of the Study:

• To review innovative imaging modalities for psoriatic arthritis (PsA) diagnosis and treatment.
• To highlight the role of advanced imaging in early PsA detection and severity assessment.
• To identify imaging features that predict PsA development in patients with skin psoriasis.

Main Methods:

• Review of current literature on advanced imaging techniques in PsA.
• Analysis of the diagnostic and monitoring capabilities of various imaging modalities.
• Focus on imaging's role in distinguishing PsA-related abnormalities from normal bone microstructure.

Main Results:

• Radiography is standard for monitoring structural damage but has limitations in assessing soft tissue changes and bony proliferation.
• Newer imaging technologies offer improved precision in identifying PsA, assessing disease severity, and detecting early microstructural bone changes.
• Imaging characteristics are crucial for precise disease identification and severity assessment in PsA.

Conclusions:

• Innovative imaging modalities are essential for improving the early detection and management of psoriatic arthritis (PsA).
• Advanced imaging techniques enhance the assessment of both peripheral and axial disease manifestations in PsA.
• Future research should focus on leveraging these technologies to identify at-risk individuals and personalize treatment strategies for PsA.