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Classification of Retronychia: A Narrative Clinical Review.
André Lencastre1, Bertrand Richert2
1Hospital de Cascais and Hospital da Luz - Lisboa, Lisbon, Portugal.
Skin Appendage Disorders
|August 7, 2024
Summary
A new classification system for retronychia is proposed. This system categorizes retronychia as acute (A), ongoing (O), or chronic (C) to improve diagnosis and understanding of this nail condition.
Area of Science:
- Dermatology
- Nail Diseases
- Pathophysiology
Background:
- Retronychia classification is currently lacking, despite recent publications.
- Literature review using "retronychia" keyword across major databases.
- Inclusion of select additional papers to supplement the review.
Purpose of the Study:
- To propose a theoretical pathophysiological basis for retronychia.
- To introduce a novel classification system for retronychia.
- To enhance diagnostic acuity and understanding of retronychia.
Main Methods:
- Literature search for "retronychia" in PubMed/MEDLINE, EMBASE, and Google Scholar.
- Selection of publications including narrative literature reviews.
- Analysis of factors influencing the clinical presentation of retronychia.
Main Results:
- Identified key factors influencing retronychia presentation: displacement, duration, paronychia intensity, nail stacking (polymeronychia), and nail apparatus remodeling.
- Proposed a new classification system: Acute (A), Ongoing (O), Chronic (C).
Conclusions:
- The proposed A-O-C classification system aims to simplify and improve retronychia diagnosis.
- Understanding the pathophysiological basis is crucial for effective management.
- This system is expected to increase diagnostic accuracy and clinical understanding of retronychia.
