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Beaked nails

MedGen UID:
904532
•Concept ID:
C4280752
•
Finding
HPO: HP:0030817

Definition

Severe nail curvature, causing the tip of the nail to point downwards with respect to the axis of the finger. Beaked nails are caused by resorption of the distal digit. [from HPO]

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVBeaked nails

Recent clinical studies

Etiology

Painful locking screws with tibial nailing, an underestimated complication.
Beak P, Moudhgalya S, Anderson T, Hing CB
Eur J Orthop Surg Traumatol 2019 Dec;29(8):1795-1799. Epub 2019 Jul 16 doi: 10.1007/s00590-019-02501-8. PMID: 31312954
Medialized Trochanteric Starting Point and Focused Lateral Endosteal Beak Reaming to Optimize Success of Intramedullary Nailing in Atypical Femur Fractures: A Technical Trick and Case Series.
Berkes MB, Shaw JC, Warner SJ, Achor TS
J Orthop Trauma 2019 Aug;33(8):e313-e317. doi: 10.1097/BOT.0000000000001511. PMID: 31259798
Intra-medullary nail insertion accuracy: A comparison of the infra-patellar and supra-patellar approach.
Anderson TRE, Beak PA, Trompeter AJ
Injury 2019 Feb;50(2):484-488. Epub 2018 Dec 20 doi: 10.1016/j.injury.2018.12.024. PMID: 30591226
Medial plantar venous flap technique for volar oblique amputation with no defects in the nail matrix and nail bed.
Yokoyama T, Tosa Y, Hashikawa M, Kadota S, Hosaka Y
J Plast Reconstr Aesthet Surg 2010 Nov;63(11):1870-4. Epub 2010 Jan 22 doi: 10.1016/j.bjps.2009.11.042. PMID: 20096658

Diagnosis

Parrot Beak Nails and Longitudinal Melanonychia.
Ricardo JW, Lipner SR
J Cutan Med Surg 2022 Sep-Oct;26(5):538. Epub 2021 Jun 1 doi: 10.1177/12034754211023050. PMID: 34074158
Werner syndrome in an Iranian family.
Hallaji Z, Barzegari M, Kiavash K
Skinmed 2010 May-Jun;8(3):184-6. PMID: 21137629
Medial plantar venous flap technique for volar oblique amputation with no defects in the nail matrix and nail bed.
Yokoyama T, Tosa Y, Hashikawa M, Kadota S, Hosaka Y
J Plast Reconstr Aesthet Surg 2010 Nov;63(11):1870-4. Epub 2010 Jan 22 doi: 10.1016/j.bjps.2009.11.042. PMID: 20096658
Hutchinson-Gilford progeria syndrome: a pathologic study.
Ackerman J, Gilbert-Barness E
Pediatr Pathol Mol Med 2002 Jan-Feb;21(1):1-13. doi: 10.1080/pdp.21.1.1.13. PMID: 11842974
Hutchinson-Gilford progeria syndrome.
Wisuthsarewong W, Viravan S
J Med Assoc Thai 1999 Jan;82(1):96-102. PMID: 10087745

Therapy

Painful locking screws with tibial nailing, an underestimated complication.
Beak P, Moudhgalya S, Anderson T, Hing CB
Eur J Orthop Surg Traumatol 2019 Dec;29(8):1795-1799. Epub 2019 Jul 16 doi: 10.1007/s00590-019-02501-8. PMID: 31312954
Medialized Trochanteric Starting Point and Focused Lateral Endosteal Beak Reaming to Optimize Success of Intramedullary Nailing in Atypical Femur Fractures: A Technical Trick and Case Series.
Berkes MB, Shaw JC, Warner SJ, Achor TS
J Orthop Trauma 2019 Aug;33(8):e313-e317. doi: 10.1097/BOT.0000000000001511. PMID: 31259798
Pseudosclerodermatous triad of perniosis, pulp atrophy and 'parrot-beaked' clawing of the nails--a newly recognized syndrome of chronic crack cocaine use.
Payne-James JJ, Munro MH, Rowland Payne CM
J Forensic Leg Med 2007 Feb;14(2):65-71. doi: 10.1016/j.jcfm.2006.01.013. PMID: 17650550
Parrot beak nails.
Kandil E
J Med Liban 1971;24(4):433-6. PMID: 5146639

Prognosis

Painful locking screws with tibial nailing, an underestimated complication.
Beak P, Moudhgalya S, Anderson T, Hing CB
Eur J Orthop Surg Traumatol 2019 Dec;29(8):1795-1799. Epub 2019 Jul 16 doi: 10.1007/s00590-019-02501-8. PMID: 31312954
Medial plantar venous flap technique for volar oblique amputation with no defects in the nail matrix and nail bed.
Yokoyama T, Tosa Y, Hashikawa M, Kadota S, Hosaka Y
J Plast Reconstr Aesthet Surg 2010 Nov;63(11):1870-4. Epub 2010 Jan 22 doi: 10.1016/j.bjps.2009.11.042. PMID: 20096658
Classification and treatment of intercondyloid fractures of the humerus.
Sotgiu F, Melis GC, Tolu S
Ital J Orthop Traumatol 1976 Aug;2(2):281-90. PMID: 1024113

Clinical prediction guides

Painful locking screws with tibial nailing, an underestimated complication.
Beak P, Moudhgalya S, Anderson T, Hing CB
Eur J Orthop Surg Traumatol 2019 Dec;29(8):1795-1799. Epub 2019 Jul 16 doi: 10.1007/s00590-019-02501-8. PMID: 31312954
Intra-medullary nail insertion accuracy: A comparison of the infra-patellar and supra-patellar approach.
Anderson TRE, Beak PA, Trompeter AJ
Injury 2019 Feb;50(2):484-488. Epub 2018 Dec 20 doi: 10.1016/j.injury.2018.12.024. PMID: 30591226

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