Black Nail Post category:Spot Diagnosis Post published:July 25, 2021 Share on Facebook Share on X (Twitter) Share on Pinterest Share on Email Share on Reddit Black Nail A 37-year-old man presented with a brownish-black nail on the great toe of the right foot. A darkly pigmented linear patch had started to form within the toenail 4 years earlier and had widened and darkened over time. What is the diagnosis? FULL CASE AND ANSWER Share on Facebook Share on X (Twitter) Share on Pinterest Share on Email Share on Reddit Read more articles Previous PostNeovascular Lesion on Face Next PostPretibial Hyperkeratosis, Fissuring, and Verrucous Nodules You Might Also Like 81-year-old Woman With 1-week History of Vomiting August 7, 2022 Annular, Scaly, Blistering, Violaceous Plaque after use of Antibiotic August 19, 2021 Scapular Winging April 26, 2021