tangential shave biopsy

Patient Buzz: Melanonychia Causes | The Expert Weighs In
MelanonychiaHealth recently posted an article on the causes of melanonychia. While a black line on a patient’s nail is a common presentation, melanonychia may have a harmless cause or it may be a sign of a more serious health condition. How should a dermatology clinician conduct a workup for melanonychia, and when is a biopsy necessary? For an expert’s take, I reached out to Molly Hinshaw, MD, profes …
Melanonychia