Repeated microtrauma activates melanocytes in the nail matrix or bed, leading to excess melanin production and the appearance ...

a separation of the nail plate from the nail bed, resulting in white discoloration and an abnormal appearance.” The good news ...

of the right great toe demonstrate the nail plate discoloration that overlies the lunula and extends to the borders of the distal nail bed. Closer views of the subungual hematoma from the top (A ...