Periventricular White Matter Hypoattenuation – Differential Diagnosis
History: 80 year old male with headache. This is the appearance of periventricular white matter hypoattenuation on CT. In this patient it is due to normal aging effects on the brain. The appearance of periventricular white matter hypoattenuation on CT is nonspecific and the differential diagnosis includes normal aging brain, arteriolosclerosis, multiple sclerosis, acute disseminated […]
Basal Ganglia Calcifications
History: 85 year old male presents with headache. These calcifications in elderly patients are most likely secondary to normal aging; however, other entities cause bilateral symmetric basal ganglia calcifications. The differential includes congenital infections such as CMV and HIV, and more rare conditions such as MELAS (Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes) in children, […]