Teratoma: Types, Symptoms Treatment - Cleveland Clinic A teratoma is a type of germ cell tumor — a tumor that starts in your reproductive cells like eggs and sperm Most teratomas are benign (noncancerous), but sometimes they can become malignant (cancerous)
Teratoma - Wikipedia The most diagnosed fetal teratomas are sacrococcygeal teratoma (Altman types I, II, and III) and cervical (neck) teratoma Because these teratomas project from the fetal body into the surrounding amniotic fluid, they can be seen during routine prenatal ultrasound exams
Teratoma: What is It, Symptoms and Treatment | City of Hope A teratoma is a relatively rare type of tumor Your cells are constantly multiplying to make new cells When this process goes awry and new cells are created unnecessarily, or old cells stay alive instead of dying, they can cluster together and form a tumor
Teratoma | Description, Causes, Symptoms, Treatment - Britannica teratoma, rare tumor that originates from remnants of germ cells (the precursors of eggs and sperm) or germ layers (cell layers formed in early embryonic development)—namely, the ectoderm, endoderm, and mesoderm