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Use magnified images to help define the boundaries of melanonychia in surgery
1West China Hospital of Sichuan University, Chengdu, Sichuan, China.
The Journal of Dermatological Treatment
|February 2, 2025
Abstract:
The diagnoses of longitudinal melanonychia (LM) may be nail matrix nevus, etc. During excision, factors like small/pale lesions make it hard to define the boundary. Head - mounted magnifiers have limited magnification and intraoperative dermatoscopes are often unavailable. We used a DSLR camera to take and magnify pictures. First estimate the incision, then adjust. This method is recommended for doctors without intraoperative dermatoscopes.

