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 Woman with Dermatomyositis and Subcutaneous Nodules on the Arms and Legs May 13, 2022 81-year-old Woman With 1-week History of Vomiting August 7, 2022 Multiple White Lines on the Fingernails June 23, 2021