A 67-year-old man is brought to the emergency department because of a severe headache and left-sided weakness and numbness for the past 2 hours. While in the emergency department, his symptoms gradually worsen and he develops a headache. Head CT reveals multiple, small lobar hemorrhages of varying ages in the occipital and parietal areas with a medium-size acute bleed in the left parietooccipital lobe. Two years ago, the patient developed sudden right arm weakness; neuroimaging at that time demonstrated a small left frontal lobe hemorrhage. He has no head trauma and does not use anticoagulants. This patient most likely suffers from which of the following?

Question

A 67-year-old man is brought to the emergency department because of a severe headache and left-sided weakness and numbness for the past 2 hours. While in the emergency department, his symptoms gradually worsen and he develops a headache.  Head CT reveals multiple, small lobar hemorrhages of varying ages in the occipital and parietal areas with a medium-size acute bleed in the left parietooccipital lobe.  Two years ago, the patient developed sudden right arm weakness; neuroimaging at that time demonstrated a small left frontal lobe hemorrhage.  He has no head trauma and does not use anticoagulants.  This patient most likely suffers from which of the following?

Quizplus · Accepted Answer

Eductional Objective: Cerebral amyloid angiopathy is the most common cause of spontaneous lobar hemorrhage, particularly in the elderly.  The most common sites of hemorrhage include the occipital and parietal lobes.

A 67-Year-Old Man Is Brought to the Emergency Department Because