Medically reviewed by Douglas A. Nelson, MD Leukemia symptoms can vary by the cancer stage and type of leukemia you have. In ...

Petechiae are tiny spots that appear red, purple, or brown. They occur when a blood vessel breaks open under the skin, which ...

or brown spots that appear on the skin when a blood vessel breaks. Often, they’re harmless. However, they can be a symptom of serious illnesses, including infections and leukemia, a type of cancer.