Black Nail Post category:Spot Diagnosis Post published:July 25, 2021 Share on Facebook Share on Twitter Share on Pinterest Share on Email Share on Reddit 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 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 23-year-old Man Involved in a Motor Vehicle Accident April 19, 2022 Patient with Long History of Alcohol Abuse August 20, 2022 Hyperkeratosis, Papillomatous Plaques, and Loosely Adherent Crust on Legs December 15, 2021