article = {SCR-2020-9-109} title = {Longitudinal Melanonychia Treatment with Picosecond Laser for Differential Diagnosis} journal = {Surgical Case Reports} year = {2020} issn = {2613-5965} doi = {http://dx.doi.org/10.31487/j.SCR.2020.09.09} url = {https://www.sciencerepository.org/longitudinal-melanonychia-treatment-with-picosecond-laser-for-differential-diagnosis_SCR-2020-9-109 author = {Klaus Fritz,Carmen Salavastru,} keywords = {Melanonychia, nail, melanoma, pico laser} abstract ={Longitudinal melanonychia can have multiple causes, among them subungual melanoma. Clearing the pigmentation with pigment specific lasers, especially picosecond laser with less pain can be a comfortable and reliable alternative to ablation in the differential diagnosis.}