Use of MRI to verify a case of Sacrococcygeal Teratoma
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Introduction
Although rare, sacrococcygeal teratoma is the most common congenital neoplasm, occurring in 1 in 40,000 infants. Approximately 75% of affected infants are female. It has been defined as either a neoplasm composed of tissues from all three germ layers or a neoplasm formed from multiple tissues foreign to the part and lacking organ specificity. The tumor is derived from the pluri-potential cell line originating in Hensen’s node and contains components arising from all three germ layers. The perinatal mortality and morbidity rates are high because of high output cardiac failure, preterm delivery, anemia, dystocia, and tumor rupture. The intrapelvic and intraabdominal extent of the sacrococcygeal teratoma and its compressive effect on the urinary tract also affect perinatal morbidity; these elements may prolong neonatal surgery and increase the risk of preoperative hemorrhage. Prenatal assessment of the fetus is critical for counseling the parents and planning surgical options. Also, with the development of in utero treatment for sacrococcygeal teratoma, magnetic resonance imaging (MRI) offers superior anatomic resolution, regardless of fetal orientation, and provides an image display that is more intuitively comprehensible to the patient and to many consulting physicians.

We have described the clinical findings, diagnostic procedures and management of a fetus in 27th gestational week, in a 24-year-old pregnant patient. She was referred by gynecologist for fetal MRI examination since ultrasonography findings suggested possible fetal sacrococcygeal teratoma. It is an extremely rare case of the very few reported in the published works and, to the best of our knowledge, it is the second one.....

http://wjon.org/index.php/wjon/article/view/965/743
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