Mediastinitis CT

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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]


Findings on CT scan suggestive of mediastinitis include mediastinal or hilar mass, soft-tissue attenuation, calcifications of the central mass, tracheobronchial narrowing, and pulmonary infiltrates.[1][2][3]

Computed tomography

On 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:[1][2][3]

  • 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

The following are a collection of radiological findings demonstrating the presence of fibrosing mediastinitis:


  1. 1.0 1.1 Fibrosing mediastinitis. (2015) Accessed on October 2, 2015
  2. 2.0 2.1 Weinstein JB, Aronberg DJ, Sagel SS (1983). "CT of fibrosing mediastinitis: findings and their utility". AJR Am J Roentgenol. 141 (2): 247–51. doi:10.2214/ajr.141.2.247. PMID 6603112.
  3. 3.0 3.1 Marom EM, Goodman PC, McAdams HP (2001). "Focal abnormalities of the trachea and main bronchi". AJR Am J Roentgenol. 176 (3): 707–11. doi:10.2214/ajr.176.3.1760707. PMID 11222209.
  4. 4.0 4.1 4.2 4.3 Image courtesy of Dr. Darel E. Heitkamp. Radiopaedia ( here]). Creative Commons BY-SA-NC

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