UKMLA PLAB AMC USMLE Prometric MCQ

a) lesions seen on the undersurface of the corpus callosum on MR are characteristic
b) are not seen on T1-weighted MR despite using Gd-DTPA
c) their size is not influenced by steroid treatment
d) plaques in the spinal cord are orientated with their long axis perpendicular to the long axis of the spinal cord
e) often enhance on contrast-enhanced CT during the acute phase