Teratoma with Malignant Transformation (TMT)
A teratoma with malignant transformation is an exceptionally uncommon type of teratoma. It has the potential to contain components of malignant tumors like leukemia, carcinoma, or sarcoma. Approximately six percent of teratomas undergo malignant transformation and become cancerous. Experts hypothesize that these tumors originate from germ cells that exhibit abnormal growth and division, forming a mass, potentially due to chromosomal variations. Furthermore, TMTs may not respond to treatments in the same manner as germ tumors, despite their resemblance to mature teratomas.
Teratomas in Children
Teratomas in children can vary in type and location, and age is a significant factor in determining these factors. Among children, approximately 40% of teratomas are sacrococcygeal teratomas, which primarily occur in newborns. These particular teratomas have the potential to grow to a large size, and interestingly, up to 70% of them are found in girls. Fortunately, sacrococcygeal teratomas are typically not cancerous or malignant.
On the other hand, teratomas in older children are more commonly found in the testes or ovaries. In fact, around 25% of teratomas diagnosed in children affect the ovaries. It is important for physicians to consider the age of the child when diagnosing and treating teratomas, as the location and type can vary greatly.