The coexistence of two or more primary brain tumors is a relatively rare occurrence. We report an 87-year-old woman with a 5-cm cystic-solid, peripherally enhancing, right frontal lobe mass. The… (More)
Dystonia, an uncommon movement disorder that causes sustained muscle contractions and painful body positions, is a difficult diagnostic challenge; misdiagnosis is common. Classification may include… (More)
The fourth edition of The Diagnostic and Statistical Manual of Mental Disorders defines delirium as "a reversible state of confusion with a reduced level of consciousness manifest as an inability to… (More)
Dizziness can generally be divided into true vertigo and pseudovertigo (giddiness or light-headedness). The most common causes of pseudovertigo are hyperventilation, orthostatic hypotension, and… (More)