CT infusion scanning for the detection of cerebral aneurysms

1989 ◽  
Vol 71 (2) ◽  
pp. 175-179 ◽  
Author(s):  
David W. Newell ◽  
Peter D. LeRoux ◽  
Ralph G. Dacey ◽  
Gary K. Stimac ◽  
H. Richard Winn
Keyword(s):  
Intracerebral Hemorrhage ◽  
Ct Scan ◽  
Computerized Tomography ◽  
Cerebral Aneurysms ◽  
Spontaneous Intracerebral Hemorrhage ◽  
Content Type ◽  
Spontaneous Hemorrhage ◽  
Fine Print

✓ Computerized tomography (CT) infusion scanning can confirm the presence or absence of an aneurysm as a cause of spontaneous intracerebral hemorrhage. Eight patients who presented with spontaneous hemorrhage were examined using this technique. In five patients the CT scan showed an aneurysm which was later confirmed by angiography or surgery; angiography confirmed the absence of an aneurysm in the remaining three patients. This method is an easy effective way to detect whether an aneurysm is the cause of spontaneous intracerebral hemorrhage.

Hematoma enlargement in spontaneous intracerebral hemorrhage

1994 ◽  
Vol 80 (1) ◽  
pp. 51-57 ◽  
Author(s):  
Yukihiko Fujii ◽  
Ryuichi Tanaka ◽  
Shigekazu Takeuchi ◽  
Tetsuo Koike ◽  
Takashi Minakawa ◽  
...  
Keyword(s):  
Intracerebral Hemorrhage ◽  
Ct Scan ◽  
Liver Dysfunction ◽  
Spontaneous Intracerebral Hemorrhage ◽  
Content Type ◽  
Hematoma Enlargement ◽  
Coagulation Abnormalities ◽  
Hematoma Growth ◽  
Low Levels ◽  
Fine Print

✓ In order to evaluate the incidence and risk factors of hematoma enlargement in spontaneous intracerebral hemorrhage (ICH), 419 cases of ICH were reviewed. The first computerized tomography (CT) scan was performed within 24 hours of onset and the second within 24 hours of admission; a blood sample was taken for laboratory examination within 1 hour of admission. In 60 patients (14.3%) the second CT scan showed an enlarged hematoma. The incidence of enlargement significantly decreased with time (p < 0.05) and significantly increased with the severity of liver dysfunction and the volume of the hematoma on the first CT scan. Patients with an irregularly shaped hematoma had a higher risk of hematoma growth than those with a round hematoma. In addition, patients with hematoma enlargement were more likely to have coagulation abnormalities (low platelet counts and low levels of fibrinogen, α2-antiplasmin activity and platelet aggregation). Moreover, hematoma growth was associated with a poor clinical outcome. It is concluded that patients admitted to a hospital within 6 hours of onset of ICH, especially those admitted within 2 hours, and patients with liver dysfunction or irregularly shaped large hematomas should be closely observed for at least 6 hours after onset in preparation for emergency surgery, since the risk of hematoma growth in these circumstances is high.

Preliminary experience with Brown-Roberts-Wells (BRW) computerized tomography stereotaxic guidance system

1983 ◽  
Vol 59 (2) ◽  
pp. 217-222 ◽  
Author(s):  
M. Peter Heilbrun ◽  
Theodore S. Roberts ◽  
Michael L. J. Apuzzo ◽  
Trent H. Wells ◽  
James K. Sabshin
Keyword(s):  
Ct Scan ◽  
Computerized Tomography ◽  
Guidance System ◽  
Production Model ◽  
Ct Scanner ◽  
Content Type ◽  
Ct Scanners ◽  
Guidance Systems ◽  
Fine Print

✓ The production model of the Brown-Roberts-Wells (BRW) computerized tomography (CT) stereotaxic guidance system is described. Hardware and software modifications to the original prototype now allow the system to be used independently of the CT scanner after an initial scan with the localizing components fixed to the skull. The system is simple and efficient, can be used universally with all CT scanners, and includes a phantom simulator system for target verification. Preliminary experience with 74 patients at two institutions is described. It is concluded that CT stereotaxic guidance systems will become important tools in the neurosurgical armamentarium, as they allow accurate approach to any target identifiable on the CT scan.

Three-dimensional computerized tomography angiography in patients with hyperacute intracerebral hemorrhage

1999 ◽  
Vol 91 (3) ◽  
pp. 424-431 ◽  
Author(s):  
Yasuo Murai ◽  
Ryo Takagi ◽  
Yukio Ikeda ◽  
Yasuhiro Yamamoto ◽  
Akira Teramoto
Keyword(s):  
Intracerebral Hemorrhage ◽  
Ct Angiography ◽  
Computerized Tomography ◽  
Three Dimensional ◽  
Ct Scanning ◽  
3D Ct ◽  
Content Type ◽  
Hematoma Enlargement ◽  
3D Ct Angiography ◽  
Fine Print

Object. The authors confirm the usefulness of extravasation detected on three-dimensional computerized tomography (3D-CT) angiography in the diagnosis of continued hemorrhage and establishment of its cause in patients with acute intracerebral hemorrhage (ICH).Methods. Thirty-one patients with acute ICH in whom noncontrast and 3D-CT angiography had been performed within 12 hours of the onset of hemorrhage and in whom conventional cerebral angiographic studies were obtained during the chronic stage were prospectively studied. Noncontrast CT scanning was repeated within 24 hours of the onset of ICH to evaluate hematoma enlargement.Findings indicating extravasation on 3D-CT angiography, including any abnormal area of high density on helical CT scanning, were observed in five patients; three of these demonstrated hematoma enlargement on follow-up CT studies. Thus, specificity was 60% (three correct predictions among five positives) and sensitivity was 100% (19 correct predictions among 19 negatives). Evidence of extravasation on 3D-CT angiography indicates that there is persistent hemorrhage and correlates with enlargement of the hematoma.Regarding the cause of hemorrhage, five cerebral aneurysms were visualized in four patients, and two diagnoses of moyamoya disease and one of unilateral moyamoya phenomenon were made with the aid of 3D-CT angiography. Emergency surgery was performed without conventional angiography in one patient who had an aneurysm, and it was clipped successfully.Conclusions. Overall, 3D-CT angiography was found to be valuable in the diagnosis of the cause of hemorrhage and in the detection of persistent hemorrhage in patients with acute ICH.

The angiographically occult cerebrovascular malformation

1978 ◽  
Vol 48 (2) ◽  
pp. 292-296 ◽  
Author(s):  
James B. Golden ◽  
Richard A. Kramer
Keyword(s):  
Intracerebral Hemorrhage ◽  
Ct Scan ◽  
Vascular Malformation ◽  
Ct Scans ◽  
Cerebral Lesions ◽  
Content Type ◽  
Surgical Exploration ◽  
Diagnostic Possibility ◽  
Cerebrovascular Malformation ◽  
Fine Print

✓ Three cases presenting with hemiparesis, headache, or seizures gave no history suggestive of subarachnoid or intracerebral hemorrhage. Carotid arteriograms were performed, and in each case failed to demonstrate a vascular malformation. In all three cases cerebral lesions were shown by either computerized tomographic (CT) scan, radionuclide scan, or both. Surgical exploration and biopsy revealed a vascular malformation in each case. The CT scans in two of the cases showed dense lesions that could suggest vascular malformation as a diagnostic possibility.

Localization of brain tumors with a simple scalp-mounted fiducial device

1989 ◽  
Vol 70 (2) ◽  
pp. 280-281 ◽  
Author(s):  
Henry Hirschberg
Keyword(s):  
Brain Tumors ◽  
Ct Scan ◽  
Computerized Tomography ◽  
Ct Images ◽  
Ct Scans ◽  
Content Type ◽  
Varying Length ◽  
Fine Print

✓ A method is described for marking the site of a tumor on the scalp based on information from computerized tomography (CT) scans. The technique employs a syrinx-shaped array of radiopaque catheters of varying length taped to the patient's scalp for visualization on the CT scan. Fiducial markings on the CT images allow the transfer of the tumor's location directly onto the scalp. The device can be placed anywhere on the scalp, including in a parasagittal position.

Tuberculous brain abscess and its appearance on computerized tomography

1982 ◽  
Vol 56 (4) ◽  
pp. 597-600 ◽  
Author(s):  
Eli Reichenthal ◽  
Mathias L. Cohen ◽  
Elias Schujman ◽  
Nachman Eynan ◽  
Mordechai Shalit
Keyword(s):  
Ct Scan ◽  
Brain Abscess ◽  
Computerized Tomography ◽  
Clinical History ◽  
Content Type ◽  
Parietal Area ◽  
Tuberculous Brain Abscess ◽  
The Right ◽  
Space Occupying Lesion ◽  
Fine Print

✓ A case of tuberculous brain abscess in a 52-year-old woman is presented. The computerized tomographic (CT) scan demonstrated a multilocular space-occupying lesion in the right parietal area, surrounded by a thick hyperdense enhancing rim. It is suggested that a relatively long clinical history together with the appearance of a thick-walled abscess-like lesion on the CT scan may indicate the diagnosis of a tuberculous brain abscess.

Surgical treatment of spontaneous intracerebral hemorrhage

1973 ◽  
Vol 39 (2) ◽  
pp. 145-151 ◽  
Author(s):  
Jean E. Paillas ◽  
Bernard Alliez
Keyword(s):  
Surgical Treatment ◽  
Intracerebral Hemorrhage ◽  
Cerebral Hemorrhage ◽  
Preoperative Diagnosis ◽  
Spontaneous Intracerebral Hemorrhage ◽  
Content Type ◽  
Selection Of Patients ◽  
Selection Of ◽  
Fine Print

✓ The results of the surgical treatment of cerebral hemorrhage in 250 cases are reported. Preoperative diagnosis, the selection of patients, and the favorable moment to operate are discussed.

Localization of vertex lesions seen on CT scan

1978 ◽  
Vol 49 (1) ◽  
pp. 71-74 ◽  
Author(s):  
Daniel H. O'Leary ◽  
Michael H. Lavyne
Keyword(s):  
Ct Scan ◽  
Computerized Tomography ◽  
Anatomical Site ◽  
Simple Method ◽  
Content Type ◽  
Brain Scan ◽  
Ct Brain ◽  
Fine Print

✓ A simple method is presented for localizing the anatomical site of vertex lesions seen on a computerized tomography (CT) brain scan, using the patient's plain lateral skull film.

Two types of spontaneous intracerebral hemorrhage due to hypertension

1972 ◽  
Vol 37 (5) ◽  
pp. 509-513 ◽  
Author(s):  
Vladimír Beneš ◽  
František Koukolík ◽  
Dagmar Obrovsk´
Keyword(s):  
Intracranial Pressure ◽  
Conservative Treatment ◽  
Intracerebral Hemorrhage ◽  
Surrounding Tissue ◽  
Spontaneous Intracerebral Hemorrhage ◽  
Hypertensive Patients ◽  
Content Type ◽  
Initial Shock ◽  
Postmortem Examinations ◽  
Fine Print

✓ Analysis of 150 postmortem examinations indicates that spontaneous intracerebral hemorrhage in hypertensive patients develops in two ways. In the first, hemorrhage crushes the surrounding tissue, tamponades the ventricles, and produces a fatal increase in intracranial pressure. Operation on such patients does not improve the results obtained by conservative treatment. In the second type, the hemorrhage is self-limited; the hematoma that frequently develops behaves as an expanding lesion, and operative treatment can be helpful after the initial shock interval has passed. Diagnostic differentiation of the two types is not possible immediately after the stroke.

Cerebral angiitis and intracerebral hemorrhage associated with methamphetamine abuse

1983 ◽  
Vol 58 (1) ◽  
pp. 109-111 ◽  
Author(s):  
Young J. Yu ◽  
David R. Cooper ◽  
David E. Wellenstein ◽  
Brian Block
Keyword(s):  
Drug Abuse ◽  
Intracerebral Hemorrhage ◽  
Computerized Tomography ◽  
Cerebral Angiography ◽  
Methamphetamine Abuse ◽  
Content Type ◽  
Vascular Abnormalities ◽  
Cerebral Angiitis ◽  
Radiographic Changes ◽  
Fine Print

✓ A case of reversible cerebral angiitis and intracerebral hemorrhage is reported in a methamphetamine abuser. Characteristic radiographic changes were demonstrated by selective cerebral angiography and computerized tomography. These vascular abnormalities disappeared after 1 month of treatment with prednisone, during which time the patient denied further drug abuse.

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