DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Lichen planus of the penis. Close-up of a lesion on the head (glans) of the penis of a 46-year-old male patient affected by lichen planus. This condition tends to affect middle-aged adults but has no known cause. In some cases it may be of nervous or emotional origin (such as severe stress) but in others it may be an allergic reaction or due to drugs.
Model release not required. Property release not required.