Single photon emission computed tomography/computed tomography for malignant otitis externa: lesion not shown on...

Area of Science:

• Medical Imaging
• Nuclear Medicine
• Otolaryngology

Background:

• Malignant otitis externa (MOE) is a severe external acoustic meatus infection.
• Triphasic bone and Gallium-67 scintigraphy are standard diagnostic tools.
• Single photon emission computed tomography/computed tomography (SPECT/CT) offers higher diagnostic sensitivity.

Observation:

• A case of MOE with initially negative planar scintigraphy was presented.
• SPECT/CT successfully detected the lesion missed by planar imaging.
• This highlights potential limitations of planar scintigraphy in MOE.

Findings:

• SPECT/CT demonstrated superior sensitivity for detecting MOE lesions compared to planar scintigraphy.
• Even in cases with negative planar findings, SPECT/CT can identify the infection.
• This underscores the value of advanced imaging techniques.

Implications:

• Routine use of SPECT/CT is recommended for suspected MOE, regardless of planar scan results.
• This approach can lead to earlier and more accurate MOE diagnosis.
• Improved diagnostic accuracy may enhance patient treatment and outcomes.