|Patient: 30 year old female|
|History: Patient is 20 weeks pregnant and is being scanned for a suspected fetal anomaly and screening for malformation|
|Findings: A 5.9 x 4.6 x 6.3cm mass is protruding from fetal coccyx consisting of both solid and cystic components and hyperechoic areas that likely represent calcifications. The overall appearance is consistent with type 1 sacrococcygeal teratoma. The mass arises off the right side of the fetus and is primarily external with minimal pelvic/abdominal extension.|
|Diagnosis: Sacrococcygeal teratoma type 1|
|Discussion: Sacrococcygeal teratoma occurs in 1:40,000 infants and is the most common congenital neoplasm. Occurs in females 75% more than males. It comes from the 3 germ cell layers and is usually benign. |
The outcome for the fetus is poor because of development of hydrops, cardiac failure, anemia, hemorrhage or rupture, and premature delivery due to polyhydramnios.
In utero invasive procedures have been performed with good outcomes.
|References: Henningsen, Charlotte: Clinical Guide to Ultrasonography. Mosby, 2004|
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Case Number: 20685611Last Updated: 12-02-2008 The reader is fully responsible for confirming the accuracy of this content.
The reader is fully responsible for confirming the accuracy of this content.