Archive for the ‘Brain’ Category

1.  Focal cortical dysplasia type II: biological features and clinical perspectives. Lancet Neurol 2009; 8: 830–43
Very nice review article with histopathology, imaging and helpful graphics
2.  Neuro-Behçet’s disease: epidemiology, clinical characteristics, and management.  Lancet Neurol 2009; [...]

51 year old lady presented with headache and gait disturbances. An MRI including perfusion imaging was obtained. MRI revealed an extra-axial, dural based mass of the posterior fossa which was isointense to gray matter on [...]

A young man presented with ataxia.  Brain contrast enhanced MRI was done including DWI and perfusion.  T2WI showed a mixed intensity lesion in the inferior right cerebellar hemisphere which contained some “dark stripes”.  DWI ADC [...]

A 41-year-old female with history of migraine presented to the ED with acute onset of aphasia. In addition to the aphasia, there was numbness and tingling in the right arm and face. Patient demonstrated expressive [...]

This is a one month-old female with congenital hypothyroidism, hypoplasia of the thyroid gland, elevated TSH (eight times normal value), elevated FSH and LH (four times normal values), normal GH, without diabetes insipid. She is [...]

The article “Is CT Still Useful in the Study Protocol of Retinoblastoma?“, published July 17 in the Publication Preview section of AJNR, confirms that even when high-field MRI is not available, CT can be avoided [...]

In reading the newly e published article in the AJNR  “The Effect of Exercise on the Cerebral Vasculature of Healthy Aged Subjects as Visualized by MR Angiography” ( Posted on July 9th), there is positive [...]

This 51 year old male patient has a right hemiparesis and progressive brainstem dysfunction. The temporal lesion is probably a low grade tumor, but what about the brain stem lesion??? Could it be a paraneoplastic [...]

Does anyone know what this mass could be? It was biopsied 2 years ago and pathology reported it as  “normal brain tissue”.
As you can see, the lesion is hyperintense on T2, hypointense on T1 and [...]

7-yo African-American male with seizures. No fever.
Initial CT scan and labs: normal.
EEG: diffuse slowing over the left cerebral hemisphere.
Brain Biopsy (left temporal lobe): Focal necrosis, dystrophic calcification, chronic inflammation, and microglial activation (the latter suggested [...]