Dermatology Book

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Onychomadesis

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

Onychomadesis (C0263540)

Definition (NCI) Loss of all or a portion of a nail.
Definition (NCI_CTCAE) A disorder characterized by loss of all or a portion of the nail.
Concepts Sign or Symptom (T184)
SnomedCT 22743000
English Spont shed nail from matrix, Complete nail loss, onychomadesis, onychomadesis (physical finding), nails onychomadesis, onychomadesis was noted, Loss of nails, Nail Loss, loss nails, loss nail, nail loss, Nail loss, Nail slough, Claw sloughed, Complete loss of claw, Claw slough, Complete loss of nail, Nail sloughed, Complete loss of nails, Onychomadesis, Spontaneous shedding of nail from nail matrix, OHM - Onychomadesis, Onychomadesis (disorder), loss; nail, nail; loss, onychoptosis
Italian Onicomadesi, Caduta dell'unghia
Dutch nagelverlies, nagel; verlies, verlies; nagel, onychomadesis
German Verlust des Nagels, Onychomadesis
Portuguese Perda de unhas, Onicomadese
Spanish Pérdida de uñas, defluvium unguium, onicomadesis (trastorno), onicomadesis, pérdida completa de las uñas, Onicomadesis
Japanese 爪脱落, 爪甲脱落症, ﾂﾒﾀﾞﾂﾗｸ, ｿｳｺｳﾀﾞﾂﾗｸｼｮｳ, ｿｳﾀﾞﾂﾗｸ
French Perte d'ongle, Onychomadèse
Czech Ztráta nehtu, Onychomadéza
Hungarian Köröm elvesztése, Onychomadesis
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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