PMC5499028_01
MRI T1 axial of the brain on initial presentation.
gr1.jpg
PMC5499028_01_gr1.jpg
fig0005
A contrasted CT of the brain showed multiple ring enhancing lesions which were better visualized on the contrast MRI of the brain (Fig. 1, Fig. 2).
Axial CT scan of the brain with contrast six weeks after initial presentation. There is an interval increase in the number and size of the lesions with surrounding vasogenic edema.
gr3.jpg
PMC5499028_01_gr3.jpg
fig0015
A repeat contrasted CT of the brain (Fig. 3, Fig. 4) showed significant interval increase in size and number of ring enhancing lesions associated with surrounding edema.
T2 MRI of the brain after three weeks of inpatient toxoplasmosis treatment; nine weeks after initial presentation.
gr5.jpg
PMC5499028_01_gr5.jpg
fig0025
He underwent an MRI of the brain with contrast (Fig. 5, Fig. 6) which showed an increase in size and edema of previous lesions despite being on toxoplasmosis treatment for three weeks.
Nocardia noting the gram positive filamentous rods.
gr7.jpg
PMC5499028_01_gr7.jpg
fig0035
Gram staining of the biopsy showed many gram positive filamentous rods (Fig. 7, Fig. 8).
Axial CT scan of the brain with contrast post treatment for Nocardia beijingensis; 26 weeks after initial presentation. There is notable resolution of the lesions.
gr9.jpg
PMC5499028_01_gr9.jpg
fig0045
Repeat imaging studies show near resolution of his CNS lesions (Fig. 9).