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Practical issues in assessing nailfold capillaroscopic images : a summary

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Publication Details

Författarlista: Karbalaie, Abdolamir

Författare: Springer

Publikationsår: 2019

Startsida: 2343

End page: 2354

Antal sidor: 12

ISSN: 0770-3198

DOI: http://dx.doi.org/10.1007/s10067-019-04644-9


Sammanfattning

Nailfold capillaroscopy (NC) is a highly sensitive, safe, and non-invasive technique to assess involvement rate of microvascularity in dermatomyositis and systemic sclerosis. A large number of studies have focused on NC pattern description, classification, and scoring system validation, but minimal information has been published on the accuracy and precision of the measurement. The objective of this review article is to identify different factors affecting the reliability and validity of the assessment in NC. Several factors can affect the reliability of the examination, e.g., physiological artifacts, the nailfold imaging instrument, human factors, and the assessment rules and standards. It is impossible to avoid all artifacts, e.g., skin transparency, physically injured fingers, and skin pigmentation. However, minimization of the impact of some of these artifacts by considering some protocols before the examination and by using specialized tools, training, guidelines, and software can help to reduce errors in the measurement and assessment of NC images. Establishing guidelines and instructions for automatic characterization and measurement based on machine learning techniques also may reduce ambiguities and the assessment time.


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Senast uppdaterat 2019-25-10 vid 05:07