Correct!
5. All of the above
The lumbar puncture fluid is not normal with an elevated WBC count and protein but a normal glucose and no organisms seen on Gram stain. Empiric antibiotics of ceftriaxone and vancomycin were begun. A transesophageal echocardiogram did not show evidence of endocarditis. The head CT was reviewed with the radiologist who saw no abnormalities within the cranium. However, given the clinical presentation he suggested an MRI of the head and neck which was performed (Figure 1).
Figure 1. Representative view of MRI of the neck.
Which abnormality (ities) is seen on the MRI of the neck? (Click on the correct answer to be directed to the fifth of six pages)