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 A 50-year-old Smoker with Acute Breathlessness and Right-sided Chest Pain September 26, 2021 Painless, Nonpruritic, Flagellate Hyperpigmentation on Trunk December 10, 2021 Newborn with Annular Scalp Lesions September 14, 2022