What are the roles of ultrasonography, CT scanning, and MRI in the workup of pneumococcal infection?

Updated: Jun 08, 2020
  • Author: Eduardo Sanchez, MD; Chief Editor: John L Brusch, MD, FACP  more...
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Chest ultrasonography or chest CT scanning may be obtained to provide information on the presence and/or extent of pleural effusion/empyema and parenchymal disease. Studies investigating the diagnostic utility of lung ultrasonography to diagnose pneumonia have also been promising. [68]

Sinus CT scanning may provide information about the presence and extent of sinus disease. Positive findings include opacification or air-fluid levels.

Facial CT scanning should be obtained in patients with periorbital or orbital cellulitis to look for evidence of soft tissue swelling, bony involvement, cranial nerve impingement, or proptosis.

MRI/CT scanning

MRI or CT scanning of affected bones or joints should be obtained to evaluate for evidence of joint destruction, periosteal elevation, or a mass.

An MRI of the brain may be obtained in patients with meningitis to determine the location and extent of involvement but is not required by Infectious Disease Society of America (IDSA) guidelines.

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