👉 Teratomata is a type of tumor that occurs in the stem cells, or cells that give rise to all other cell types in the body. In humans, it's also known as "neonatal melanoma" and can be caused by a genetic mutation. Teratomata is one of the most common cancers in children, affecting approximately 10-25% of children under 3 years old. It usually starts during the first year of life, but it can develop at any
