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Updated: Sep 23, 2025
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Published on: November 23, 2019
A Morphologic Analysis of the Pubic Symphysis Using CT and MRI
Matej Mazura1, David Kachlik, Alzbeta Blankova
1From the Department of Anatomy, Second Faculty of Medicine, Charles University, Prague 5, Czech Republic (Mazura, Kachlik, Blankova, Malikova, and Whitley), the First Department of Orthopaedics, First Faculty of Medicine, Charles University and Motol University Hospital, Prague 5, Czech Republic (Mazura and Landor), the Department of Forensic Medicine and Toxicology, Regional Hospital Liberec, Liberec, Czech Republic (Blankova), the Department of Radiodiagnostics, Third Faculty of Medicine, Charles University and University Hospital Kralovske Vinohrady, Prague, Czech Republic (Malikova), and the Department of Orthopaedics and Traumatology, Third Faculty of Medicine, Charles University and University Hospital Kralovske Vinohrady, Prague, Czech Republic (Dzupa).
This study details the prevalence and dimensions of pubic ligaments and the symphysial cavity using imaging. Findings provide crucial anatomical references for diagnosing pubic symphysis conditions.
Area of Science:
- Anatomy
- Radiology
- Orthopedics
Background:
- The pubic symphysis is a key joint in the pelvis, crucial for biomechanical stability.
- Understanding its normal morphometric parameters is essential for accurate clinical diagnosis and treatment of related pathologies.
Purpose of the Study:
- To investigate the prevalence and morphometric parameters of pubic ligaments and the interpubic disk and its cavity.
- To establish imaging-based anatomical references for clinical applications.
Main Methods:
- Utilized CT and MR scans from 652 patients (348 women, 304 men).
- Analyzed dimensions of the interpubic disk, pubic ligaments (superior, inferior, anterior, posterior), and symphysial cavity.
- Compared findings with MR scans of healthy volunteers and dissected anatomic specimens.
Main Results:
- Detailed dimensions for the interpubic disk, pubic ligaments, and symphysial cavity were established for both sexes.
- Age correlated with specific changes in pubic disk dimensions.
- Symphysial cavities were present in 24% of men and 22.9% of women.
Conclusions:
- The study provides essential morphologic parameters for diagnosing pubic symphysis pathologies.
- Recommendations are made to include specific structures like the symphysial cavity in official anatomic terminology.
