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Biomedical subjects

S A Hollin

Publications and source records attributed to S A Hollin.

18 recordsLinked to original sources

Mobile schwannoma of the cauda equina. Case report.

A patient with a mobile schwannoma of the cauda equina is described. The wide discrepancy between the myelographic and surgical locations of the tumor is most unusual. Awareness of the possibility of such an extreme degree of motility is important when dealing with cauda equina tumors.

Cauda Equina↗

Microsurgical treatment of internal carotid artery aneurysms.

Seventy consecutive cases of internal carotid artery aneurysm were operated on utilizing the surgical microscope. There were three deaths (4.3% mortality), one of which occurred in a deeply comatose apneic patient. Fifty-nine patients (84%) had excellent results. Four (6%) had postoperative morbidity directly related to their operation; three of them were operated on within 2 weeks after subarachnoid hemmorrhage and had neurological deficits attributed to cerebrovascular spasm. The low morbidity and mortality rates are partially related to patient selection but also significantly influenced by improved surgical techniques made possible by the microscope and microsurgical instrumentation. It is the authors' opinion that microsurgery should be standard procedure for craniotomy for intracranial aneurysm. It is suggested that future reported series of aneurysm therapy, regardless of the method of treatment employed, should be compared with the anticipated natural history.

Adult↗

Subarachnoid hemorrhage following intranasal procedures.

Two cases of subarachnoid hemorrhage complicating intranasal ethmoidectomy are presented. In both, the bleeding was initally considered coincidental to the rupture of a congenital aneurysm or an arteriovenous malformation. A direct relationship between the surgical procedure and the subarachnoid hemorrhage only became evident after extensive studies or after delayed development of CSF rhinorrhea, pneumocephalus and meningitis.

Adult↗