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Confocal laser-scanning microscopy of capillaries in normal and psoriatic skin.
MedLine Citation:
PMID:  23223987     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
ABSTRACT. An important and most likely active role in the pathogenesis of psoriasis has been attributed to changes in cutaneous blood vessels. The purpose of this study was to use confocal laser-scanning microscopy (CLSM) to investigate dermal capillaries in psoriatic and normal skin. The structures of the capillary loops in 5 healthy participants were compared with those in affected skin of 13 psoriasis patients. The diameters of the capillaries and papillae were measured for each group with CLSM. All investigated psoriasis patients showed elongated, widened, and tortuous microvessels in the papillary dermis, whereas all healthy controls showed a single capillary loop in each dermal papilla. The capillaries of the papillary loop and the dermal papilla were significantly enlarged in the psoriatic skin lesions (diameters 24.39±2.34 and 146.46±28.52  μm, respectively) in comparison to healthy skin (diameters 9.53±1.8 and 69.48±17.16  μm, respectively) (P<0.001). CLSM appears to represent a promising noninvasive technique for evaluating dermal capillaries in patients with psoriasis. The diameter of the vessels could be seen as a well-quantifiable indicator for the state of psoriatic skin. CLSM could be useful for therapeutic monitoring to delay possible recurrences.
Authors:
Rami Archid; Alexa Patzelt; Bernhard Lange-Asschenfeldt; Sufian S Ahmad; Martina Ulrich; Eggert Stockfleth; Sandra Philipp; Wolfram Sterry; Juergen Lademann
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of biomedical optics     Volume:  17     ISSN:  1560-2281     ISO Abbreviation:  J Biomed Opt     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-12-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9605853     Medline TA:  J Biomed Opt     Country:  United States    
Other Details:
Languages:  eng     Pagination:  101511-1     Citation Subset:  IM    
Affiliation:
Charité-Universitätsmedizin Berlin, Department of Dermatology, Venerology and Allergology, Center of Experimental and Applied Cutaneous Physiology (CCP), Berlin, GermanydUniversity of Tübingen, Department of General and Transplant Surgery, Tübingen, Germany.
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