The ultrasonographic study of the nail reveals differences in patients affected by inflammatory and degenerative conditions

Introduction and objectives The nail unit is a subject of interest in several diseases, often involving different medical fields. Even if few data are available for psoriasis and psoriatic arthritis, no data regarding ultrasonography and imaging are present for other degenerative and inflammatory co...

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Bibliographic Details
Published in:Clinical rheumatology 2019-03, Vol.38 (3), p.913-920
Main Authors: Idolazzi, Luca, Zabotti, Alen, Fassio, Angelo, Errichetti, Enzo, Benini, Camilla, Vantaggiato, Elisabetta, Rossini, Maurizio, De Vita, Salvatore, Viapiana, Ombretta
Format: Article
Language:English
Subjects:
Adult
Aged
Arthritis
Arthritis, Psoriatic - diagnostic imaging
Arthritis, Rheumatoid - diagnostic imaging
Case-Control Studies
Cross-Sectional Studies
Female
Fingers - diagnostic imaging
Humans
Inflammation
Joint diseases
Male
Medicine
Medicine & Public Health
Middle Aged
Nails (Anatomy)
Nails - diagnostic imaging
Nails - pathology
Organ Size
Original Article
Osteoarthritis
Osteoarthritis - diagnostic imaging
Psoriasis
Psoriasis - diagnostic imaging
Psoriatic arthritis
Rheumatic diseases
Rheumatoid arthritis
Rheumatology
Tendons - diagnostic imaging
Ultrasonic imaging
Ultrasonography
Ultrasonography, Doppler
Ultrasound
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Summary:Introduction and objectives The nail unit is a subject of interest in several diseases, often involving different medical fields. Even if few data are available for psoriasis and psoriatic arthritis, no data regarding ultrasonography and imaging are present for other degenerative and inflammatory conditions. The aim of this study was to explore through imaging the changes of nail and enthesis in inflammatory and degenerative conditions in order to find qualitative and quantitative changes related to distal interphalangeal joints. Methods The study sample was composed of 51 patients affected by psoriatic arthritis, 31 affected by psoriasis, 37 subjects with rheumatoid arthritis, 34 with osteoarthritis and 50 healthy controls for a total of 203 individuals. Ultrasonography of the nails was performed after clinical evaluation in a cross-sectional study design by blinded ultrasonographers who were blind to patient data. Data about power Doppler signal of the nail bed, tendon entheses, thickness of nail plate and nail bed were recorded. Results Patients affected by psoriasis and psoriatic arthritis differ from other subgroups, and power Doppler signal at the enthesis seems to be an exclusive feature of psoriatic arthritis (Pearson’s chi-square of 5297 and p  
ISSN:0770-3198
1434-9949
DOI:10.1007/s10067-019-04437-0