2. Flesh-Colored or Bluish-Red Nodule
If you notice a red, blue or purple, or flesh colored bump that looks like a small boil or has a sunken center, see your doctor.
Merkel cell carcinoma is rare, but can be found on the face, head or neck. These are most commonly found in older people with a history of excessive sun exposure or a weakened immune system.
Merkel cell carcinoma is fast growing and will spread readily. Catching it early is helpful to the treatment.