Demyelinating and Degenerative Diseases — MCQs

Which of the following symptoms is least likely to be associated with multiple sclerosis?

What is the typical MRI finding in multiple sclerosis (MS)?

A 67-year-old male presents with progressive difficulty in walking, frequent falls, and stiffness in the legs. Neurological examination reveals increased muscle tone, brisk deep tendon reflexes, and a positive Babinski sign. MRI of the brain shows multiple white matter lesions. Which of the following is the most likely diagnosis?

Spine MRI shows 'pencil-sharpened' vertebral bodies and 'H-shaped' vertebrae on T1-weighted images. Most likely diagnosis?

Tigroid pattern on MRI is seen in -

A 58-year-old presents with progressive cognitive decline. MRI brain is unremarkable. FDG-PET shows bilateral temporoparietal and posterior cingulate hypometabolism with relative sparing of sensorimotor cortex. Analyze these findings to determine the most likely diagnosis.

How does diffusion-weighted imaging (DWI) detect acute stroke earlier than conventional MRI sequences?

Which imaging modality is best for evaluating retinoblastoma?

Intra-tumoral calcification in the brain is seen in all except?

Which of the following brain tumors is typically hyperdense on CT scan?