Computerized tomography of cranial sutures

1984 ◽  
Vol 61 (1) ◽  
pp. 53-58 ◽  
Author(s):  
Yoshimi Furuya ◽  
Michael S. B. Edwards ◽  
Charles E. Alpers ◽  
Brian M. Tress ◽  
Douglas K. Ousterhout ◽  
...  

✓ Knowledge of normal suture anatomy and development is vital in order to understand abnormal suture development and to be able to distinguish sutures radiographically from normal anatomical structures and possible skull fractures. The anatomy of the sutures and synchrondroses of 150 normal pediatric and adult patients was studied using high-resolution computerized tomography scanning. Sutures of both the calvaria and skull base were most accurately identified in axial and coronal high-resolution thin-section scans when bone window algorithms were used. Developmental changes of the sutures and synchodroses, the inner and outer tables, and the diploic space were all well delineated. Vault sutures could be identified routinely in children, but their presence in adults varied considerably. With increasing age, parasutural sclerosis developed and sutures were more closely apposed.

1980 ◽  
Vol 52 (5) ◽  
pp. 733-735 ◽  
Author(s):  
John I. Moseley ◽  
Steven L. Giannotta ◽  
Justin W. Renaudin

✓ A simple wire template is placed on the patient's head during computerized tomography scanning, and the results of the scan are later reproduced on the scalp prior to surgery. Measurements of the distance between the wires and the relationship of the mass provide the key to accurate localization of the mass on the scalp surface.


1999 ◽  
Vol 90 (1) ◽  
pp. 153-155 ◽  
Author(s):  
Henry W. S. Schroeder ◽  
Rolf W. Warzok ◽  
Jamal A. Assaf ◽  
Michael R. Gaab

✓ In recent years, endoscopic third ventriculostomy has become a well-established procedure for the treatment of various forms of noncommunicating hydrocephalus. Endoscopic third ventriculostomy is considered to be an easy and safe procedure. Complications have rarely been reported in the literature. The authors present a case in which the patient suffered a fatal subarachnoid hemorrhage (SAH) after endoscopic third ventriculostomy.This 63-year-old man presented with confusion and drowsiness and was admitted in to the hospital in poor general condition. Computerized tomography scanning revealed an obstructive hydrocephalus caused by a tumor located in the cerebellopontine angle. An endoscopic third ventriculostomy was performed with the aid of a Fogarty balloon catheter. Some hours postoperatively, the patient became comatose. Computerized tomography scanning revealed a severe perimesencephalic—peripontine SAH and progressive hydrocephalus. Despite emergency external ventricular drainage, the patient died a few hours later.Although endoscopic third ventriculostomy is considered to be a simple and safe procedure, one should be aware that severe and sometimes fatal complications may occur. To avoid vascular injury, perforation of the floor of the third ventricle should be performed in the midline, halfway between the infundibular recess and the mammillary bodies, just behind the dorsum sellae.


1986 ◽  
Vol 65 (6) ◽  
pp. 779-783 ◽  
Author(s):  
R. Michael Scott ◽  
Samuel M. Wolpert ◽  
Louis E. Bartoshesky ◽  
Seymour Zimbler ◽  
George T. Klauber

✓ Four children with previously repaired myelomeningoceles presented toward the end of the first decade or early in the second decade of life with deteriorating lower-extremity and bladder function. Myelography and computerized tomography scanning demonstrated irregular filling defects at the area of the myelomeningocele repair, and surgical exploration disclosed dermoid tumors that were adherent to the placode and adjacent roots. Dermoid tumors should be considered in the differential diagnosis of neurological deterioration in children with a repaired myelomeningocele.


2001 ◽  
Vol 95 (2) ◽  
pp. 350-352 ◽  
Author(s):  
Devon A. Hoover ◽  
Asim Mahmood

✓ Pericranium is frequently used in duraplasty and is considered superior to the many other alternatives because of its easy availability and because it offers a watertight dural closure while minimizing the problems of adhesion, infection, and rejection. Although the osteogenic potential of all periosteal tissues is recognized, a review of the literature did not reveal a reported case of osseous formation following use of pericranium for duraplasty. The authors report the case of a 17-year-old man who presented with a self-inflicted gunshot wound to the head. He was obtunded, but moving all extremities purposefully. Computerized tomography scanning demonstrated bifrontal injury. A bicoronal craniotomy with debridement was performed on an emergency basis, with vascularized pericranium used for a duraplasty. Follow-up cranioplasty demonstrated significant ossification of the pericranium 5 months after the original surgery. Pericranium is an attractive material for duraplasty; however, its osteogenic potential may interfere with future cranioplasty and cosmesis. This may be especially relevant in young persons.


1989 ◽  
Vol 70 (1) ◽  
pp. 41-44 ◽  
Author(s):  
Maurizio Domenicucci ◽  
Antonio Santoro ◽  
Daniel H. D'Osvaldo ◽  
Roberto Delfini ◽  
Gianpaolo P. Cantore ◽  
...  

✓ The authors report 14 cases of multiple intracranial meningiomas representing 1.1% of all meningiomas operated on at their hospital in the past 35 years. Differentiation of multiple meningiomas, especially from meningiomatosis, must be strict. Since the introduction of computerized tomography scanning, the frequency of these cases has risen from 0.58% to 4.5% in the authors' meningioma series. Despite the multiplicity of sites, multiple meningiomas do not differ in prognosis from benign solitary meningiomas.


1984 ◽  
Vol 60 (1) ◽  
pp. 177-178 ◽  
Author(s):  
Rand M. Voorhies ◽  
Richard A. R. Fraser

✓ A case of air embolism complicating cerebral angiography is presented. The presence of the embolism was confirmed with high-resolution computerized tomography scans using appropriate window settings.


1986 ◽  
Vol 65 (6) ◽  
pp. 856-859 ◽  
Author(s):  
François Vincentelli ◽  
François Grisoli ◽  
Toussaint A. Leclercq ◽  
Bernard Ardaud ◽  
Pedro Diaz-Vasquez ◽  
...  

✓ Cylindromas are rarely encountered in the neurosurgical field. Four cases of this rare tumor are presented. Conventional and computerized tomography scanning were most useful in establishing the diagnosis; angiography did not provide any further information. Because these tumors are well demarcated from surrounding structures, even in cases of recurrence, surgery is the treatment of choice. Radiation therapy is useful in the postoperative management. Long survival times with multiple recurrences are the rule.


1984 ◽  
Vol 60 (5) ◽  
pp. 1099-1101 ◽  
Author(s):  
J. Gerald Kennedy ◽  
Richard L. Saunders

✓ The case is presented of a 44-year-old woman who underwent reoperation under cardiac standstill for a recurrent left sphenoid wing meningeal hemangiopericytoma. Because of persistent accumulations of clot with clinical deterioration and shift on computerized tomography scanning, the patient was returned to the operating suite twice. At the second reoperation, hemostasis was finally achieved through the instillation of admixed cryoprecipitate, calcium, and activated thrombin.


1980 ◽  
Vol 52 (6) ◽  
pp. 794-800 ◽  
Author(s):  
Jörgen Boëthius ◽  
Mats Bergström ◽  
Torgny Greitz

✓ A stereotaxic system is described that uses computerized tomography scanning for target localization. This system is unique in that the stereotaxic localization may be carried out using the scanner computer without the addition of any extra software. The hardware of the system is built up around a base plate which is fastened to the scanner's patient table. The head is positioned and fixed to the base plate with aluminum bars, which are fixed to the calvaria with screws. Various stereotaxic devices may be fastened to the base plate. The system has been in clinical use for 4 months at the time of writing. Its main application has been in tumor biopsies, but it has also been used for functional operations.


1982 ◽  
Vol 57 (3) ◽  
pp. 407-409 ◽  
Author(s):  
David L. LaMasters ◽  
James E. Boggan ◽  
Charles B. Wilson

✓ A presumed developmental variant of the dorsum sellae was found in a patient undergoing evaluation for a suspected pituitary adenoma. An initial computerized tomography (CT) scan suggested a suprasellar mass; however, high-resolution CT with reformations clearly revealed the mass to be the pituitary gland, which was deformed and displaced upward by an osseous spine projecting from the dorsum sellae. The radiographic appearance and etiology of this anomaly are discussed. Neurosurgeons and neuroradiologists should be aware of this anomaly when evaluating a patient for pituitary adenoma.


Sign in / Sign up

Export Citation Format

Share Document