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Retronychia: A Case Report Including Ultrasound Imaging and Surgical Treatment
M L Alonso-Pacheco1, E de Miguel-Mendieta2, R Maseda-Pedrero1
1Servicio de Dermatología, Hospital Universitario La Paz, Universidad Autónoma, Madrid, España.
Actas Dermo-Sifiliograficas
|March 2, 2016
Summary
Retronychia, a nail disorder, involves the proximal nail plate growing into the nail fold, causing chronic paronychia. Ultrasound can diagnose this condition, with nail avulsion being the curative treatment.
Area of Science:
- Dermatology
- Medical Imaging
Background:
- Retronychia is a recently identified nail disorder characterized by the proximal nail plate ingrowing into the proximal nail fold.
- This condition often leads to chronic paronychia that is resistant to standard antimicrobial treatments.
Observation:
- Ultrasound is emerging as a valuable non-invasive tool for diagnosing retronychia.
- Key ultrasound findings include the presence of two or more overlapping nail plates and a diminished distance between the nail root and the distal phalanx base.
Findings:
- Ultrasound can effectively differentiate retronychia from other conditions like tumors or arthritis.
- The hallmark ultrasound features aid in confirming the diagnosis of retronychia.
Implications:
- Increased awareness and understanding of retronychia among dermatologists are crucial to prevent diagnostic and therapeutic delays.
- Nail plate avulsion is identified as the definitive and curative treatment for retronychia.
