11-16-2007, 03:37 PM
A 54-year-old woman has experienced headaches for the past week. On physical examination her temperature is 37.6 C, pulse 73/minute, respirations 16/minute, and blood pressure 130/85 mm Hg. She has a lumbar puncture performed. The cerebrospinal fluid (CSF) opening pressure is 220 mm H2O, the CSF protein 60 mg/dl, and the CSF glucose 75 mg/dl (serum glucose 105 mg/dl). A CT scan reveals a 3 cm ring-enhancing mass in the right parietal region. Biopsy of the mass reveals gliosis and fibrosis with necrosis, neutrophils, and lymphocytes. Which of the following is the most likely diagnosis?
A Glioblastoma multiforme
B Herpes simplex type II encephalitis
C Vascular malformation
D Subacute infarction
E Cerebral abscess
A Glioblastoma multiforme
B Herpes simplex type II encephalitis
C Vascular malformation
D Subacute infarction
E Cerebral abscess