In the present study, the feasibility of intrathecal indwelling catheters in the preparation of a repeated subarachnoid hemorrhage (SAH) model in dogs, as well as chronic intrathecal administration of therapeutic agents against the ensuing cerebral vasospasm was examined. Briefly, through a small suboccipital incision, two catheters were introduced into the subarachnoid space so that their tips...

AIM To present the magnetic resonance imaging (MRI) characteristics and clinical features of 12 patients with quadrigeminal cistern lipoma. MATERIAL AND METHODS A series of 12 patients with quadrigeminal cistern lipoma were followed up between 2010 and 2013 at the Kayseri Training and Research Hospital's Department of Neurosurgery. MRI characteristics and clinical features of the 12 patients ...

BACKGROUND AND PURPOSE The trochlear nerve is so thin that it is rarely observed with MR imaging. Therefore, we used high-resolution MSDE to reliably visualize the cisternal segments of the trochlear nerve. MATERIALS AND METHODS Participants were 10 healthy young adults (mean age, 24 years), and 20 trochlear nerves were examined. HR-MRC, BS-MRC, and HR-MSDE were performed. A neuroradiologist ...

Objective- The aim of this study was to determine the normal ultrasonographic and morphologic appearance of mammary gland and teat in Caspian mares during lactation and dry period. Design- Experimental study. Animals- Seven mature Caspian mares Procedures- Using a 6.5-8.5 MHz linear transducer the ultrasonographic appearance of lactating and dry mammary glands was determined in 7 mature Casp...

Abstract The incidence of perimesencephalic subarachnoid hemorrhage (PMSAH) is rare, 0.5 in 100,000 adults. It comprises 5 to 10% all SAHs and approximately 33% nonaneurysmal SAH. Quadrigeminal SAH a variant (PMNASAH) that not well described the literature. may comprise up one-fifth PMNASAH cases carries similar benign prognosis. This PMSAH characterized by blood centered quadrigeminal cistern ...

We report a patient who developed symptomatic pneumocephalus after surgery for a spinal intradural tumor. A 30-yearold man presented with low back pain and leg pain was presented. Magnetic resonance image (MRI) demonstrated an welldemarcated intradural extramedullary tumor at the L3-4. The mass had little adhesion rootlets at its base. So, we achieved en-bloc total resection without any difficu...

A canine model of cerebral vasospasm using noncellular blood material (fibrin glue) was designed to investigate the effect of cerebrospinal fluid obstruction. The arachnoid membrane covering the cerebral arteries in the basal cistern was dissected and fibrin glue was applied to the adventitial surface of the arteries in three groups of animals. In Group 1, the arachnoid membrane was extensively...

Isolated abducens nerve paresis related to ruptured vertebral artery (VA) aneurysm is rare. It usually occurs bilaterally or ipsilaterally to the pathologic lesions. We report the case of a contralateral sixth nerve palsy following ruptured dissecting VA aneurysm. A 38-year-old man was admitted for the evaluation of a 6-day history of headache. Abnormalities were not seen on initial computed to...

Mechanisms of formation and growth of intracranial aneurysms are poorly understood. To investigate the pathophysiology of intracranial aneurysms, an animal model of intracranial aneurysm yielding a high incidence of large aneurysm formation within a short incubation period is needed. We combined two well-known clinical factors associated with human intracranial aneurysms, hypertension and the d...