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Computed tomography of mediastinal bronchogenic cysts
Journal of Computer Assisted Tomography
|August 1, 1982
Summary
Computed tomography (CT) effectively detects mediastinal bronchogenic cysts, revealing diverse densities. CT commonly demonstrates calcifications, challenging previous assumptions about their rarity in these cysts.
Area of Science:
- Radiology
- Thoracic Imaging
- Medical Imaging
Background:
- Mediastinal bronchogenic cysts are congenital lung malformations.
- Previous radiographic assessments suggested calcifications within these cysts are rare.
Purpose of the Study:
- To review computed tomographic (CT) findings in mediastinal bronchogenic cysts.
- To evaluate the prevalence and appearance of calcifications using CT.
Main Methods:
- Retrospective review of seven mediastinal bronchogenic cyst cases.
- Analysis of computed tomographic (CT) scans and chest radiographs.
- Measurement of CT numbers (Hounsfield units) to characterize mass density.
Main Results:
- CT revealed diverse densities, from low (-3 to 20 HU) to high (97 HU) Hounsfield units.
- Four cases presented low-density masses, two with high-density walls or deposits.
- CT commonly demonstrated calcifications, unlike previous radiographic findings.
Conclusions:
- Computed tomography (CT) is valuable for characterizing mediastinal bronchogenic cysts.
- CT imaging frequently identifies calcifications, suggesting they are more common than previously reported.