Six Cases of Retronychia: Proximal Ingrowing Nail

  • IKUSHIMA Kenta
    Department of Plastic Surgery and Aesthetic Surgery, Tokushima University Hospital
  • YAMASHITA Yutaro
    Department of Plastic Surgery and Aesthetic Surgery, Tokushima University Hospital
  • ABE Yoshiro
    Department of Plastic Surgery and Aesthetic Surgery, Tokushima University Hospital
  • NAGASAKA Shinji
    Department of Plastic Surgery and Aesthetic Surgery, Tokushima University Hospital
  • YAMASAKI Hiroyuki
    Department of Plastic Surgery and Aesthetic Surgery, Tokushima University Hospital
  • MIMA Shunsuke
    Department of Plastic Surgery and Aesthetic Surgery, Tokushima University Hospital
  • BANDO Mayu
    Department of Plastic Surgery and Aesthetic Surgery, Tokushima University Hospital
  • HASHIMOTO Ichiro
    Department of Plastic Surgery and Aesthetic Surgery, Tokushima University Hospital

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  • Retronychia:Proximal ingrowing nailの6例

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<p> Retronychia is a condition of proximal nail plate in growth into the proximal nail fold that is associated with multiple generations of the nail plate, which causes pain and paronychia. It is not widely known and is rarely diagnosed, resulting in few case reports. Herein, we report six cases of retronychia diagnosed in our department between April and December in 2021. All cases were cured immediately by the removal of the total nail plate. Furthermore, postoperative taping of the toe and application of hydrocolloid on nail beds aided good nail growth. Retronychia is suspected when there is refractory proximal nail fold inflammation that is resistant to antibiotics and antifungals. Nail plate avulsion is an effective treatment.</p>

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