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Onychomadesis
Aka: Onychomadesis
- See Also
- Nail Disorder
- Definitions
- Onychomadesis
- Spontaneous shedding/sloughing and separation of nail plate from nail matrix resulting in nail loss
- Onycholysis
- Spontaneous separation of nail plate from nail bed (typically starting from distal end)
- Epidemiology
- Uncommon
- Pathophysiology
- Temporary cessation of nail matrix growth
- Results in Nail Dystrophy and nail loss
- Signs
- Brittle nails
- Nail bed region may have white or yellow streaks
- Transverse nail splitting
- Nail appears to peal away from nail bed
- Spontaneous loss of multiple nails
- Causes
- Post-infectious in first 3-12 weeks (esp. Coxsackie virus such as Hand Foot and Mouth Disease)
- Kawasaki Disease
- Nail Trauma
- Chemotherapy
- Radiation Therapy
- Differential Diagnosis
- See Nail Disorders
- Onycholysis
- Prognosis
- Normal Nail Growth resumes within 1 to 4 months
- References
- Jhun, Raam and DeClerck in Herbert (2015) EM:Rap 15(12): 3-4
- Metzgar (2019) Am Fam Physician 100(8): 497-8 [PubMed]