This case report illustrates a patient who was found to have multiple sites of angioblastic meningiomas in the spinal and intracranial subarachnoid space 15 to 18 years after resection of an angioblastic meningioma from the upper cervical canal. The presence of the multiple sites of tumor could represent either multicentric origin or subarachnoid seeding.

Acromegaly usually presents in middle age with the gradual onset of classical signs and symptoms. We report the case of an elderly woman who presented with subarachnoid haemorrhage due to infarction of a pituitary adenoma and rupture into the subarachnoid space.

DISCUSSION Cerebrocirculatory arrest and reperfusion causes injury that breaks down the blood–brain barrier. In patients undergoing contrast imaging, there may be active extravasation of contrast into the subarachnoid space. Hypothermia alters contrast viscosity, decreases glomerular filtration, and subsequently decreases elimination of the contrast. It is important to recognize such mimickers ...

The determination of the spinal fluid dynamics is a common procedure used whenever disease of the spinal cord is suspected and particularly when there is clinical evidence of an obstructive lesion. Actually, it consists in the testing of the free transmission of pressure along the spinal subarachnoid space. The value of the test depends largely upon the accuracy and skill with which it is perfo...

OBJECTIVE We sought to identify the prevalence of MRI features of disproportionately enlarged subarachnoid space hydrocephalus in possible idiopathic normal pressure hydrocephalus (DESH-iNPH) and to describe the clinico-radiological features and outcomes of a community-based investigation (The Vienna Trans-Danube Aging study). METHODS Of the 697 inhabitants (all 75 years old), 503 completed e...

INTRODUCTION Subarachnoid hemorrhage is one of the most feared acute neurologic events. Accurate diagnosis of subarachnoid hemorrhage is essential, and computed tomography of the brain is the first diagnostic imaging study. However, in rare circumstances, a similar appearance may occur in the absence of blood in the subarachnoid space. The contrast enhancement of subarachnoid space is a rare co...

We have studied the influence of two different speeds of injection on the spread of spinal anaesthesia of bupivacaine in 40 orthopaedic patients. In a random order, 0.5% plain bupivacaine 3 ml was administered in 10 or 180 s into the subarachnoid space using a 27-gauge needle with the patients in a lateral horizontal position. The slower speed produced a higher spread of spinal anaesthesia (med...

A postlaminectomy pseudomeningocele is a spherical, fluid-filled space with fibrous capsule lying dorsal to the thecal canal in the laminectomy opening that occasionally develops after surgery. Eight cases were found in 400 symptomatic postlaminectomy patients undergoing computed tomographic examination. The contents are of cerebrospinal fluid density and may or may not have demonstrable commun...