Related Experiment Videos
[Wedge excision: a new reconstructive technique after longitudinal nail biopsy]
F Marin Braun1, P Loréa, L Ameziane
1SOS Mains Strasbourg, clinique du Parc, 4, boulevard Président Edwards, 67000 Strasbourg, France.
Chirurgie De La Main
|November 29, 2001
Summary
A new excisional biopsy technique using a closing wedge osteotomy of the distal phalanx aids in diagnosing solitary melanonychia striata. This method provides adequate tissue for pathology, improving melanoma detection.
Area of Science:
- Dermatology
- Surgical Pathology
- Oncology
Background:
- Solitary melanonychia striata requires biopsy for malignant melanoma exclusion.
- Ideal biopsy ensures complete lesion excision and sufficient tissue for pathology.
Observation:
- A novel excisional biopsy technique involves longitudinal resection and a closing wedge osteotomy of the distal phalanx.
- This method allows en bloc resection of the nail complex and periosteum.
Findings:
- The technique was used on four melanonychia striata (2-3 mm wide) with uneventful postoperative courses.
- Pathology confirmed melanoma in one case, Bowen's disease in one, and junctional nevus in two.
- Mean 12-month follow-up showed mild nail dystrophy in all cases.
Implications:
- The technique provides ample tissue with preserved architecture for accurate pathological examination.
- The simple osteotomy procedure is safe and effective for diagnosing suspicious melanonychia striata.
- This method is recommended for suspect melanonychia striata between 2 and 3 mm wide.