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Undifferentiated embryonal sarcoma masquerading as liver abscess: A case report with typical imaging features
Ranjan K Patel1,2, Swasti Pathak1
1Department of Radiodiagnosis, Maulana Azad Medical College, New Delhi, India.
SA Journal of Radiology
|September 15, 2021
Summary
Undifferentiated embryonal sarcoma (UES) is a rare pediatric liver tumor that mimics a liver abscess. This case highlights key imaging features that can help differentiate UES from abscesses in children.
Area of Science:
- Pediatric oncology
- Hepatobiliary imaging
- Surgical pathology
Background:
- Undifferentiated embryonal sarcoma (UES) is a rare malignant liver tumor in children.
- UES can present with symptoms mimicking a liver abscess, such as fever and abdominal pain.
- Accurate and timely diagnosis is crucial for effective management.
Observation:
- A 12-year-old boy presented with fever, abdominal pain, and swelling, suggestive of a liver abscess.
- Imaging revealed a solid appearance on ultrasound and a cystic mass with peripheral vascularity on CT/MRI.
- These imaging characteristics raised suspicion for UES over a liver abscess.
Findings:
- Histopathological examination confirmed the diagnosis of undifferentiated embryonal sarcoma.
- The imaging findings were consistent with the known features of UES.
Implications:
- This case underscores the importance of considering UES in the differential diagnosis of pediatric liver masses presenting as abscesses.
- Recognizing specific imaging patterns can aid in early detection and appropriate treatment planning for UES.
- Improved diagnostic accuracy can lead to better patient outcomes in pediatric hepatic tumors.
