Postoperative infection after duraplasty with expanded polytetrafluoroethylene sheet.

Dural reconstruction is a significant problem in many cases of decompressive craniotomy and dural defect. Expanded polytetrafluoroethylene (ePTFE) sheet have been used as a dura mater substitute for duraplasty. The outcomes of 83 consecutive patients at our institution were reviewed who underwent external decompression and closure with the ePTFE sheet between August 1995 and December 2000.

[Spontaneous epidural hematoma in a patient undergoing hemodialysis: a case report].

A 54-year-old male with chronic renal failure due to diabetic nephropathy suffered dysphagia and left facial spasm without head trauma during a hemodialysis session. CT scan revealed a right acute epidural hematoma. MRI and cerebral angiography did not reveal any abnormalities in the intracranial vasculature.

[A case of cervical pyogenic spondylitis difficult to differentiate from metastatic spinal tumor].

A 52-year-old man with medical complications of diabetic mellitus and alcoholic liver dysfunction, presented with weakness in the bilateral lower extremities. Cervical magnetic resonance images disclosed the lesion extended from retropharyngeal space and multiple vertebral bodies to epidural space of the spinal canal, which was enhanced by gadolinium. Not only fever elevation during clinical course but also inflammatory reaction on selologic examination were not identified, so we initially thought the lesion metastatic spinal tumor.

Subarachnoid hemorrhage caused by dural arteriovenous fistula of the sphenobasal sinus--case report.

A 59-year-old woman presented with a rare middle fossa dural arteriovenous fistula (AVF) unrelated to the cavernous sinus manifesting only as subarachnoid hemorrhage. Angiography revealed shunts between the meningeal branches of both the internal and external carotid arteries and the sphenobasal sinus. The AVF drained into the superficial middle cerebral vein (SMCV) which had a varix and an anastomosis to a superior cerebral vein.

Staged cranial reconstruction after epidural abscess associated with dural substitute exposure.

Unlabelled: Cadaveric dura mater was widely used for a long time but has recently been associated with the transmission of Creutzfelt-Jakob disease. Expanded polytetrafluoethylene sheet has been suggested as a suitable alternative in Japan. Recently epidural abscesses associated with exposure to Expanded polytetrafluoethylene have been on the increase in Japan.

[Dissecting aneurysm of the middle cerebral artery with subarachnoid hemorrhage showing complete occlusion at the M2 portion of the middle cerebral artery on preoperative angiograms: case report].

We present a surgical case of a dissecting aneurysm of the middle cerebral artery associated with subarachnoid hemorrhage and intracranial hemorrhage. A 29-year-old man suddenly fell into a comatose state, and was referred to our hospital. CT scan showed diffuse subarachnoid hemorrhage and an intracerebral hematoma with marked midline shift located in the right frontal lobe.