Document Detail

New insights in occult psoriatic arthritis.
MedLine Citation:
PMID:  22751585     Owner:  NLM     Status:  In-Data-Review    
Since the 1970s, asymptomatic involvement of several musculoskeletal structures was described in patients with psoriatic arthritis (PsA). We recently designated this clinical condition as occult PsA. This concept addresses an "underground" inflammatory process that can eventually cause structural damage. The percentage of PsA cases occurring in an occult manner remains to be determined but it does not seem small. From a teaching perspective, we suggest differentiating occult PsA into 3 subsets: real occult PsA, characterized by a continuous asymptomatic course; temporary occult PsA, in which the clinical course remains asymptomatic for a period; and limited occult PsA, which occurs asymptomatically in some areas of the body but is clinically evident in others. Some serum biomarkers could identify patients to be studied with imaging techniques to discover real occult PsA. Since an asymptomatic course was also reported for other spondyloarthropathies, the concept of occult arthritis could be expanded to the whole field of such conditions.
Carlo Palazzi; Salvatore D'Angelo; Ennio Lubrano; Ignazio Olivieri
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of rheumatology. Supplement     Volume:  89     ISSN:  0380-0903     ISO Abbreviation:  J Rheumatol Suppl     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-07-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7806058     Medline TA:  J Rheumatol Suppl     Country:  Canada    
Other Details:
Languages:  eng     Pagination:  22-3     Citation Subset:  IM    
Address correspondence to Dr. C. Palazzi, Rheumatology Department of Lucania, Via Potenza 3, 75100 Matera, Italy. E-mail:
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