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Efficacy of surgical treatment for 35 children with nail matrix nevi / 中华皮肤科杂志
Chinese Journal of Dermatology ; (12): 430-433, 2022.
Article in Chinese | WPRIM | ID: wpr-933573
ABSTRACT

Objective:

To explore rational surgical treatment for childhood nail matrix nevi.

Methods:

A retrospective analysis was conducted on clinical data from 35 children with pathologically confirmed nail matrix nevi, who received surgical treatment in Children′s Hospital of Chongqing Medical University from September 2015 to March 2019. Different surgical approaches were adopted according to the site and width of lesions. For lesions with a width of ≤ 3 mm, the nail bed and nail matrix lesions were directly excised with 1-to-2-mm margins and sutured in 11 cases. For lesions with a width of > 3 mm, one of the following 3 surgical procedures was selected by the children′s parents (1) shaving of nail bed and nail matrix lesions under a microscope at ×8 magnification (8 cases) ; (2) excision of lesions followed by full-thickness skin grafting on the periosteum of the phalanx (8 cases) ; (3) excision of lesions of the second to fifth fingers followed by transfer of skin flaps from the thenar muscle area and full-thickness skin grafting (5 cases) , or excision of lesions of the thumb followed by abdominal-wall flap transfer (3 cases) . The patients were followed up for 12 months, and clinical efficacy was evaluated.

Results:

During the follow-up, no recurrence occurred in the 11 cases receiving direct excision and suture, with good appearances and longitudinal linear scars on the nail. Among the 8 cases receiving shaving therapy under a microscope, 4 experienced relapse during the follow-up of 6 - 12 months, and the nail/toenail plates were rough and poor in lustrousness in the other 4 without recurrence. No recurrence was observed in the 8 cases receiving excision of the lesions and full-thickness skin grafting, of whom 1 experienced skin graft necrosis, and skin grafts survived with obvious pigmentation in the other 7 cases. Among cases receiving excision of the lesions combined with transfer of skin flaps from the thenar muscle area or abdominal-wall flap transfer, no recurrence was observed, and all transferred flaps survived; good appearances, nearly normal color and gloss of nails were obtained in the cases after transfer of skin flaps from the thenar muscle area, while the color and gloss of postoperative nails were markedly different from those of normal nails in the cases receiving abdominal-wall flap transfer.

Conclusion:

For nail matrix nevi with a width of ≤ 3 mm, direct excision and suture with 1-to-2-mm margins are recommended; for those with a width of > 3 mm, excision of lesions combined with full-thickness skin grafting, transfer of skin flaps from the thenar muscle area or abdominal-wall flap transfer is recommended; the shaving procedure under a microscope should be used with caution.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Dermatology Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Dermatology Year: 2022 Type: Article