Teratogenic tumors sacrococcygeal region that have not been diagnosed before birth are the two cases, the common case is the presence of a tumor sacral region before birth or at birth, and the second case is less common and where the asymmetry buttocks at birth, or appears at the age of 1-4 sacral tumor years before presacral and which may extend into the pelvis, and in this case also be more patients exposed to the risk of malignancies.
التسميات
teratoma