Which of the following statements is true regarding sacrococcygeal teratomas?

Sacrococcygeal teratomas are tumors that arise from the embryonic tissues located at the base of the spine and can indeed present as solid or cystic masses. This variability in their composition is a key characteristic of these tumors. They may contain a mixture of hair, muscle, and other tissue types, and can range from purely solid tumors to those that are predominantly cystic or have a combination of both elements.

The presence of solid and cystic components can have implications for diagnosis and management, as the nature of the tumor may affect treatment planning and the potential risks to the fetus. Understanding that sacrococcygeal teratomas can vary in their presentation helps healthcare providers better prepare for the clinical management of affected pregnancies.

In contrast, while some teratomas are benign, it is not accurate to state that they are always benign, as they can exhibit malignant potential in certain cases. Additionally, while they typically do not directly affect maternal health, there can be complications such as obstruction or effects from larger tumors, which can influence the mother's condition. Lastly, sacrococcygeal teratomas are not primarily associated with maternal hypertension, as this is not a recognized correlation. Thus, the statement that they can be solid