Carbon stains is a skin condition characterized by a discoloration of the skin from embedded carbon, usually occurring due to accidents with firearms or firecrackers, or from a puncture wound by a pencil. It may leave a permanent black mark of embedded graphite, easily mistaken for metastatic melanoma.[1]: 47 

Carbon stain
A carbon stain made from a puncture wound by a pencil (highlighted in circle).
SpecialtyDermatology

See also edit

References edit

  1. ^ James, William D.; Berger, Timothy G.; et al. (2006). Andrews' Diseases of the Skin: clinical Dermatology. Saunders Elsevier. ISBN 978-0-7216-2921-6.