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Struma ovarii: US and CT findings
K Van de Moortele1, D Vanbeckevoort, S Hendrickx
1Department of Radiology, University Hospitals, Leuven, Belgium.
Summary
Struma ovarii can mimic ovarian teratomas. Recognizing its ultrasound and CT features, like cystic and solid components, aids in accurate diagnosis and avoids unnecessary radical surgery.
Area of Science:
- Gynecologic Oncology
- Diagnostic Imaging
- Pathology
Background:
- Struma ovarii is a rare germ cell tumor composed of thyroid tissue.
- Ovarian teratomas are common germ cell tumors with diverse histological components.
- Accurate preoperative diagnosis is crucial for appropriate surgical management.
Observation:
- Ultrasound revealed a multicystic ovarian mass with a well-vascularized solid component.
- CT demonstrated a multilocular cystic mass with calcifications and solid, enhancing areas.
Findings:
- The imaging findings in this case are characteristic of struma ovarii.
- Distinguishing struma ovarii from other ovarian tumors, particularly teratomas, can be challenging based on imaging alone.
- A well-vascularized, enhancing central solid component in a mixed cystic and solid ovarian mass is a key feature.
Implications:
- Including struma ovarii in the differential diagnosis for complex ovarian masses can prevent overtreatment.
- Advanced imaging techniques like ultrasound and CT play a vital role in characterizing ovarian tumors.
- This case highlights the importance of integrating imaging findings with clinical presentation for optimal patient outcomes.