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Subdural Hygroma

A Report of Seven Cases

Henry T. Wycis

subdural space; secondly, subdural effusions may arise secondary to infection of overlying bone, as in mastoiditis; and thirdly, accumulations are occasionally seen secondary to a communicating hydrocephalus with tearing of the arachnoid at the basal cisterns. Most neurosurgeons believe that excessive collections of subdural fluid are the result of tearing of the arachnoid, the rent acting as a ball-valve mechanism preventing the return of the cerebrospinal fluid to its original confines. Adson 7 was fortunate to observe such a tear in the arachnoid in one of his cases

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Hydrocephalus

A Contribution Related to Treatment

Olan R. Hyndman

treatment of congenital hydrocephalus are few and far between. This paper is presented, however, in its original form since it is felt that the reasoning is sound and that there is no other method of treatment at present that is superior to the one herein described. Moreover, my interest has been considerably augmented by the result in treatment of a child who acquired severe communicating hydrocephalus as a sequel of pneumococcic meningitis. The case and discussion are presented as an addendum to the original paper. Hydrocephalus † has been a challenging and almost

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Franc D. Ingraham, Eben Alexander and Donald D. Matson

, clinical and pathological study. Amer. J. Dis. Child. , 1914, 8: 406–482. 10. Dandy , W. E. Extirpation of the choroid plexus of the lateral ventricles in communicating hydrocephalus. Ann. Surg. , 1918 , 68 : 569 – 579 . Dandy , W. E. Extirpation of the choroid plexus of the lateral ventricles in communicating hydrocephalus. Ann. Surg. , 1918, 68: 569–579. 11. Dandy , W. E. Experimental hydrocephalus. Ann. Surg. , 1919 , 70 : 129 – 142 . Dandy , W. E. Experimental hydrocephalus. Ann. Surg

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The Torkildsen Procedure

A Report of 19 Cases

Edgar F. Fincher, Gordon J. Strewler and Homer S. Swanson

mos. communicating hydrocephalus 7 mos. obstructive hydrocephalus Aqueduct catherized and communication established. Recurrence prompted Torkildsen tube. 6. F.G. 6 weeks Headaches, choked disks, tinnitus . Ventriculogram Posterior 3rd ventricle tumor—unverified. None Excellent—22 mos. Radiation purposely withheld pending any return of symptoms. 7. N.H. 6 weeks Headaches, diplopia Ataxia Ventriculogram Cerebellar craniotomy Occipital craniotomy Astrocytoma. Posterior 3rd ventricle region. Radiation Excellent—17 mos. Fair since

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Further Studies on the Treatment of Experimental Hydrocephalus

Attempts to Drain the Cerebrospinal Fluid into the Pleural Cavity and the Thoracic Duct

Franc D. Ingraham, Robert A. Sears, Robert P. Woods and Orville T. Bailey

brain stem, 1 with resultant dilatation of the entire ventricular system and the proximal subarachnoid spaces. This is a true communicating hydrocephalus. Clinically, as well as experimentally, attempts at surgical relief for either of these conditions have been directed either at the removal of varying portions of the choroid plexuses, or at by-passing the block. In the by-passing operations, the fluid is led either to the subarachnoid space beyond the block, or to a surface outside the nervous system which is capable of absorbing or draining the fluid. The

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Orville T. Bailey May 1949 6 3 207 215 10.3171/jns.1949.6.3.0207 Intracranial Aneurysms Robert C. Bassett May 1949 6 3 216 221 10.3171/jns.1949.6.3.0216 The Role of Complete Cerebral Angiography in Neurosurgery Rupert Raney Aidan A. Raney J. M. Sanchez-Perez May 1949 6 3 222 237 10.3171/jns.1949.6.3.0222 A New Operation for the Treatment of Communicating Hydrocephalus Donald D. Matson May 1949 6 3 238 247 10.3171/jns.1949.6.3.0238 Addendum May 1949 6 3 247 247 10.3171/jns.1949.6.3.0247 Spinal Extradural

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A New Operation for the Treatment of Communicating Hydrocephalus

Report of a Case Secondary to Generalized Meningitis

Donald D. Matson

circulation. (4) If, however, a more extensive adhesive process has taken place, causing obstruction of the basilar cisternae or the subarachnoid bed generally over the cerebral and cerebellar hemispheres, either alone or in addition to the locations already mentioned, then treatment becomes much more difficult. The operative procedures mentioned are of no avail since they fail to provide access to an absorptive surface. The problem becomes essentially the same as in congenital idiopathic communicating hydrocephalus where no obstruction can be demonstrated but there

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Bilateral Torkildsen Procedure

Its Application in Instances of Occlusion of Both Foramina of Monro

Homer S. Swanson and George Perret

T he operative procedure ventriculocisternostomy, first proposed by Torkildsen, 2 has become an accepted and effective method in relieving a non-communicating hydrocephalus. In a previous communication, presented before this group in 1947, our 1 accumulated experiences were set forth in utilizing this procedure. Since this report the operation has been performed in an additional 16 cases. It is the purpose of this discussion to report 3 instances in which a double drainage of the lateral ventricles seemed preferable to a single ventriculocisternal

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Ventriculomastoidostomy

Technique and Observations

William A. Nosik

I n idiopathic congenital communicating hydrocephalus or in the progressive hydrocephalus secondary to a purulent meningitis, the existing imbalance between the production and absorption of the cerebrospinal fluid may impose an almost insurmountable problem in the control of the intracranial pressure. In an historical review of the subject one is impressed with the number and variety of surgical schemes that have been proposed to correct this unhappy clinical situation. Though, in some instances, great ingenuity has been demonstrated in the effort to solve the

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Lennart Herlin

passed through one of the lateral ventricles and reached the 3rd ventricle via the foramen of Monro. The floor of the 3rd ventricle was then punctured with a flexible probe. His patient, a 9-month-old child with a non-communicating hydrocephalus, was temporarily much better postoperatively. The general condition improved, the size of the skull diminished, and the dye test showed a communication between the ventricular system and the lumbar subarachnoidal sac. Later, the same idea was used by Stookey and Scarff; 9 in their procedure the lamina terminalis was punctured