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KEY FACTS
Terminology
Imaging
Diagnostic Checklist
TERMINOLOGY
Abbreviations
Psoriatic arthritis (PSA)
Synonyms
Psoriatic spondyloarthropathy
Not true synonym; spine and sacroiliac disease found in subset of patients with PSA
Definitions
Inflammatory arthritis, usually developing after or coincident with skin changes of psoriasis
Arthritis precedes skin change up to 2 years in 15%
IMAGING
General Features
Imaging Recommendations
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Lew PP et al: Imaging of disorders affecting the bone and skin. Radiographics. 34(1):197-216, 2014
Braum LS et al: Characterisation of hand small joints arthropathy using high-resolution MRI--limited discrimination between osteoarthritis and psoriatic arthritis. Eur Radiol. 23(6):1686-93, 2013
Narváez J et al: Can magnetic resonance imaging of the hand and wrist differentiate between rheumatoid arthritis and psoriatic arthritis in the early stages of the disease? Semin Arthritis Rheum. 42(3):234-45, 2012
Schwenzer NF et al: The role of dynamic contrast-enhanced MRI in the differential diagnosis of psoriatic and rheumatoid arthritis. AJR Am J Roentgenol. 194(3):715-20, 2010
Spira D et al: MRI findings in psoriatic arthritis of the hands. AJR Am J Roentgenol. 195(5):1187-93, 2010
Filer CE et al: Investigation of association of genes NAT9, SLC9A3R1 and RAPTOR on chromosome 17q25 with psoriatic arthritis. Ann Rheum Dis. 68(2):292-3, 2009
Ly J et al: Axial bone proliferation causing cervical myelopathy in the mutilans form of psoriatic arthritis despite peripheral bone erosion. Ann Rheum Dis. 68(3):443-4, 2009
Marzo-Ortega H et al: Magnetic resonance imaging in the assessment of metacarpophalangeal joint disease in early psoriatic and rheumatoid arthritis. Scand J Rheumatol. 38(2):79-83, 2009
Wilson FC et al: Incidence and clinical predictors of psoriatic arthritis in patients with psoriasis: a population-based study. Arthritis Rheum. 61(2):233-9, 2009
Coates LC et al: Clues to the pathogenesis of psoriasis and psoriatic arthritis from imaging: a literature review. J Rheumatol. 35(7):1438-42, 2008
Erdem CZ et al: MR imaging features of foot involvement in patients with psoriasis. Eur J Radiol. 67(3):521-5, 2008
Healy PJ et al: MRI changes in psoriatic dactylitis--extent of pathology, relationship to tenderness and correlation with clinical indices. Rheumatology (Oxford). 47(1):92-5, 2008
Lee EY et al: MRI findings of juvenile psoriatic arthritis. Skeletal Radiol. 37(11):987-96, 2008
McQueen FM et al: MRI in psoriatic arthritis: insights into pathogenesis and treatment response. Curr Rheumatol Rep. 10(4):303-10, 2008
Tehranzadeh J et al: Detailed analysis of contrast-enhanced MRI of hands and wrists in patients with psoriatic arthritis. Skeletal Radiol. 37(5):433-42, 2008
Weiner SM et al: Ultrasonography in the assessment of peripheral joint involvement in psoriatic arthritis : a comparison with radiography, MRI and scintigraphy. Clin Rheumatol. 27(8):983-9, 2008
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Diagnostic Checklist
TERMINOLOGY
Abbreviations
Psoriatic arthritis (PSA)
Synonyms
Psoriatic spondyloarthropathy
Not true synonym; spine and sacroiliac disease found in subset of patients with PSA
Definitions
Inflammatory arthritis, usually developing after or coincident with skin changes of psoriasis
Arthritis precedes skin change up to 2 years in 15%
IMAGING
General Features
Imaging Recommendations
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Lew PP et al: Imaging of disorders affecting the bone and skin. Radiographics. 34(1):197-216, 2014
Braum LS et al: Characterisation of hand small joints arthropathy using high-resolution MRI--limited discrimination between osteoarthritis and psoriatic arthritis. Eur Radiol. 23(6):1686-93, 2013
Narváez J et al: Can magnetic resonance imaging of the hand and wrist differentiate between rheumatoid arthritis and psoriatic arthritis in the early stages of the disease? Semin Arthritis Rheum. 42(3):234-45, 2012
Schwenzer NF et al: The role of dynamic contrast-enhanced MRI in the differential diagnosis of psoriatic and rheumatoid arthritis. AJR Am J Roentgenol. 194(3):715-20, 2010
Spira D et al: MRI findings in psoriatic arthritis of the hands. AJR Am J Roentgenol. 195(5):1187-93, 2010
Filer CE et al: Investigation of association of genes NAT9, SLC9A3R1 and RAPTOR on chromosome 17q25 with psoriatic arthritis. Ann Rheum Dis. 68(2):292-3, 2009
Ly J et al: Axial bone proliferation causing cervical myelopathy in the mutilans form of psoriatic arthritis despite peripheral bone erosion. Ann Rheum Dis. 68(3):443-4, 2009
Marzo-Ortega H et al: Magnetic resonance imaging in the assessment of metacarpophalangeal joint disease in early psoriatic and rheumatoid arthritis. Scand J Rheumatol. 38(2):79-83, 2009
Wilson FC et al: Incidence and clinical predictors of psoriatic arthritis in patients with psoriasis: a population-based study. Arthritis Rheum. 61(2):233-9, 2009
Coates LC et al: Clues to the pathogenesis of psoriasis and psoriatic arthritis from imaging: a literature review. J Rheumatol. 35(7):1438-42, 2008
Erdem CZ et al: MR imaging features of foot involvement in patients with psoriasis. Eur J Radiol. 67(3):521-5, 2008
Healy PJ et al: MRI changes in psoriatic dactylitis--extent of pathology, relationship to tenderness and correlation with clinical indices. Rheumatology (Oxford). 47(1):92-5, 2008
Lee EY et al: MRI findings of juvenile psoriatic arthritis. Skeletal Radiol. 37(11):987-96, 2008
McQueen FM et al: MRI in psoriatic arthritis: insights into pathogenesis and treatment response. Curr Rheumatol Rep. 10(4):303-10, 2008
Tehranzadeh J et al: Detailed analysis of contrast-enhanced MRI of hands and wrists in patients with psoriatic arthritis. Skeletal Radiol. 37(5):433-42, 2008
Weiner SM et al: Ultrasonography in the assessment of peripheral joint involvement in psoriatic arthritis : a comparison with radiography, MRI and scintigraphy. Clin Rheumatol. 27(8):983-9, 2008
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