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Presacral epidermoid cyst: imaging findings with histopathologic correlation
1Department of Radiology, Gachon Medical College, Gil Medical Center, 1198, Kuwol-Dong, Namdong-Ku, Inchon, 405-760, South Korea.
Abdominal Imaging
|December 16, 2000
Summary
Imaging characteristics of presacral epidermoid cysts were determined using ultrasound, CT, and MRI. Findings correlated well with histopathology, aiding in diagnosis.
Area of Science:
- Radiology
- Pathology
- Surgical Oncology
Background:
- Presacral epidermoid cysts are rare tumors.
- Accurate diagnosis relies on characteristic imaging findings.
Purpose of the Study:
- To define the imaging features of presacral epidermoid cysts.
- To correlate imaging findings with histopathology.
Main Methods:
- Retrospective review of sonography, CT, and MRI in four patients.
- Correlation of imaging and histopathologic findings.
Main Results:
- Sonography revealed heterogeneous low echogenicity.
- CT showed well-defined, hypodense masses with thin walls.
- MRI demonstrated heterogeneous T1 low and T2 high signal intensity with foci of low signal.
Conclusions:
- Imaging findings correlate well with histopathology.
- Sonography and MRI are valuable tools for diagnosing presacral epidermoid cysts.