Mediastinitis CT

Mediastinitis Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Anthony Gallo, B.S. [2]

Computed tomography

Upon CT Scan, the appearance of mediastinitis can be variable and dependent on the pattern of involvement. Typically, the disease affects the middle mediastinum and may demonstrate:

• mediastinal or hilar mass
• infiltrative region of soft-tissue attenuation which obliterates normal mediastinal fat planes and encases or invades adjacent structures
• calcifications of the central mass or associated lymph nodes (especially if there has been preceding histoplasmosis)
• tracheobronchial narrowing
• pulmonary infiltrates