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© 2009 by the American Institute of Ultrasound in Medicine
J Ultrasound Med 28:1569-1574 • 0278-4297

Image Presentation

High-Frequency Sonography in the Evaluation of Psoriasis

Nail and Skin Involvement

Marwin Gutierrez, MD, Ximena Wortsman, MD, Emilio Filippucci, MD, Rossella De Angelis, MD, Giorgio Filosa, MD and Walter Grassi, MD

Cattedra di Reumatologia, Università Politecnica delle Marche (M.G., E.F., R.D.A., W.G.), and Unità di Dermatologia (G.F.), Augusto Murri Hospital, Jesi, Ancona, Italy; and Department of Radiology, Clinica Servet, Santiago, Chile (X.W.).

Address correspondence to Marwin Gutierrez, MD, Cattedra di Reumatologia, Università Politecnica delle Marche, Augusto Murri Hospital, Via dei Colli 52, 60035 Jesi, Ancona, Italy. E-mail: dr.gmarwin{at}gmail.com

Objective. The purpose of this study was to show the potential of the latest sonographic equipment using high-frequency probes and a very sensitive power Doppler (PD) technique in depicting both skin and nail changes in patients affected by psoriasis. Methods. The study was conducted in 30 patients with a diagnosis of psoriasis clinically performed by an experienced dermatologist and 15 healthy participants, using a currently available sonography system equipped with a variable-frequency transducer ranging from 6 to 18 MHz and a Doppler frequency ranging from 7 to 14 MHz. Results. The images illustrated in this presentation are representative examples of the ability of sonography to show and characterize even minimal morphostructural and blood flow changes in patients with both psoriatic plaques and onychopathy. Conclusions. This report provides pictorial evidence that high-resolution gray scale sonography with a PD technique is a real-time and noninvasive imaging technique that can be used as an adjunct to the clinical evaluation in assessing psoriatic disease.

Key Words: high frequency • nail • onychopathy • power Doppler sonography • psoriasis • skin • sonography

Abbreviations: PD, power Doppler




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Copyright © 2009 by the American Institute of Ultrasound in Medicine.