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A Proposal for Determining a Diagnostic Cutoff Value of a New Ultrasonographic Index of Retronychia Inversely Correlating with Disease Severity / Fatih Göktay in Journal of the American Podiatric Medical Association, vol. 110, 04 (Juillet-aout 2020)
[article]
in Journal of the American Podiatric Medical Association > vol. 110, 04 (Juillet-aout 2020)
Titre : A Proposal for Determining a Diagnostic Cutoff Value of a New Ultrasonographic Index of Retronychia Inversely Correlating with Disease Severity Type de document : article de périodique Auteurs : Fatih Göktay ; Levent Soydan ; Emre Kaynak ; Nebahat Demet Akpolat ; Eckart Haneke Année de publication : 2020 Langues : Anglais (eng) Descripteurs (mots clés) : [Thésaurus Mesh]Diagnostic par imagerie
[Thésaurus Mesh]Échographie
[Thésaurus HELB]:Paramédical:rétronychieRésumé : Background
Ultrasonography has demonstrated a shortening of the distance between the origin of the nail plate and the base of the distal phalanx in retronychia. The aim of this study was to analyze the clinical and ultrasonographic features of retronychia.
Methods
We evaluated the clinical findings in 18 patients with retronychia, along with the ratio of ultrasonographic distance a, extending between the nail plate origin and the base of the distal phalanx, to distance b, perpendicular to distance a, extending between the nail plate origin and the upper margin of the distal phalanx.
Results
Retronychia was present in 26 nails. The mean ± SD distance a was 7.66 ± 1.64 mm and distance b was 3.56 ± 1.95 mm. The mean ± SD a/b ratio was 2.59 ± 1.11. There was a significant inverse correlation between a/b ratio and clinical severity (Pearson correlation = –0.668; P < .001). The cutoff value of this ratio was 3.319, with specificity of 90% and sensitivity of 69%.
Conclusions
The ratio of distance a/distance b and the cutoff value of this ratio may help in making the diagnosis, in objectively determining the disease severity, and in selecting a patient-specific treatment approach.Permalink : https://bibliotheque.helb-prigogine.be/opac_css/index.php?lvl=notice_display&id= [article]Exemplaires
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