<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I found a skin growth and there seems to be a mass in my scrotum. What could be the problem?  <response>: You may have a varicocele of the testicles, which is a dilation or enlargement of the veins within the scrotum. It is a common cause of a skin growth and mass in the scrotum. 