Neurosurgery
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We present the second report in the literature on the use of low-flow hypothermic cardiopulmonary bypass to aide in the surgical resection of a large intraparenchymal arteriovenous fistula. ⋯ The use of low-flow hypothermic circulatory bypass can facilitate the surgical extirpation of certain large intraparenchymal arteriovenous fistulas.
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This study was conducted to determine whether removing the bony prominence located above the porus of the internal acoustic meatus, called the suprameatal tubercle, and surrounding bone using the retrosigmoid approach would aid in the exposure of tumors that are located predominantly in the cerebellopontine angle but that also extend into the middle cranial fossa in the region of Meckel's cave and thus avoid the need for a supratentorial craniotomy. ⋯ The suprameatal extension of the retrosigmoid approach will permit removal of some tumors that are located mainly in the posterior fossa but that extend into the middle fossa in the region of Meckel's cave. The exposure can be increased by opening the superior petrosal sinus as it crosses in the upper margin of the porus of Meckel's cave and by opening the tentorium lateral to Meckel's cave.
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Review Case Reports
Long-term remission of malignant brain tumors after intracranial infection: a report of four cases.
This report describes four patients with malignant brain tumors in whom regression or cure seems to be related to infection with bacteria. ⋯ The case histories presented in conjunction with the relevant literature reviewed support the concept that microbial infections may influence immune responses in brain tumor defense.
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Comment Letter Case Reports
Spinal cord compression by catheter granulomas in high-dose intrathecal morphine therapy: case report.
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Obsessive-compulsive disorder is a common mental disorder, notorious for its chronicity and intractability. Stereotactic lesions within the anterior limb of the internal capsule have been shown to provide symptomatic relief in such refractory cases, but only few systematic evaluations have correlated anatomic lesion location with individual postoperative outcome. ⋯ The current anatomic long-term analysis after thermocapsulotomy or gamma knife capsulotomy for obsessive-compulsive disorder reveals common topographic features within the right-sided anterior limb of the internal capsule independent of treatment modality.