Abstract
Sacrococcygeal teratoma (SCT) is a germ cell tumor that can occur in newborns and infants. This case study centers on a 10-month-old girl, who presented with bruising over the lumbosacral area, after a fall. The initial examination in the emergency medicine department was normal, but the patient returned with persistent swelling and prominent vasculature. A sonographic examination demonstrated a Type IV SCT, which was further confirmed with additional diagnostic imaging. Type IV SCT is an internal growth that can be challenging to diagnose. This patient case illustrates the importance of an early diagnosis of SCTs, which can be detected with sonography. A thorough sonographic evaluation of the pelvis, by using varied ultrasound transducers and patient positions, can be helpful in identifying sacral pathology.
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