CT and MRI of the Nose, Paranasal Sinuses, and Adjacent Spaces

  • Roberto Maroldi
  • Davide Farina
  • Andrea Borghesi
  • Marco Ravanelli


The impressive development of endonasal surgical techniques during the last two decades has been made possible by the detailed pre-operative information provided by computed tomography (CT) and magnetic resonance imaging (MRI). For each imaging technique, specific fields of clinical application have been described in the medical literature [1]. As CT supplies excellent details about the thin bony sinonasal walls, it reveals the precise individual anatomy of the nose and paranasal sinuses. It is on the basis of this internal map that endonasal surgery for rhinosinusitis is planned. Therefore, inflammatory diseases belong to the domain of CT, whereas benign and malignant neoplasms are covered by the MRI. The main advantages of MRI are that it more precisely distinguishes tumor signal from adjacent structures, more accurately demonstrates two critical periosteal linings (periorbita, dura mater), and allows the early detection of perineural spread of disease. In addition, as endonasal surgeons are confronted with new challenges, such as endoscopic craniofacial resection, radiologists must be able to provide answers to questions regarding the precise grading of the intracranial neoplastic extent [2].


Paranasal Sinus Maxillary Sinus Frontal Sinus Middle Meatus Fungus Ball 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Italia 2008

Authors and Affiliations

  • Roberto Maroldi
    • 1
  • Davide Farina
    • 1
  • Andrea Borghesi
    • 1
  • Marco Ravanelli
    • 1
  1. 1.Department of RadiologyUniversity of BresciaBresciaItaly

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