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 56,091 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

This study prospectively surveyed the utilization of cranial computed tomography (CCT) at The George Washington University Hospital over a 12-month period. Of 3,070 CCT scans studied, 1,098 (35%) resulted in a positive clinically important diagnosis for an overall case finding cost of $800. Within each of 25 individual indications for scanning, classified on the basis of the patient's most specific sign or symptom, case finding costs varied from a low of $411 for patients in coma to $3,500 for patients with headaches as their only indication for CT scanning. Within two diagnostic categories, malignant brain tumors and cerebral aneurysms, there was significant agreement (p less than 0.001) between the prescanning diagnosis and the result on CCT. Overall there was also close agreement (correlation coefficient = 0.706) between the rank listing of the 25 indications for scanning compiled prior to CCT with that obtained after the scanning results were known.
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PMID:Utilization and cost-effectiveness of cranial computed tomography at a university hospital. 10 May 33

Authors report a case of intraventricular hemorrhage with hepatic insufficiency. A 36-year-old man was admitted following the sudden onset of coma. For 10 years before admission he had suffered general fatigue and jaundice, which were treated with medication as acute hepatitis. On the day of admission he began to suffer from a severe headache. Within one hour he was comatose and began to have vomiting, followed by seizures characterized by tonic movement of the right extremities. Lumbar puncture showed an initial pressure over 400 mmH2O, with grossly bloody spinal fluid. Numerous hemorrhages were noted in both optic fundi. Bilateral carotid angiography demonstrated slight enlargement of left lateral ventricle. Computerized tomography revealed that the lareral, third and fourth ventricles were dilated. There were discrete areas of increased absorption coefficient with values measuring between 30 to 35 in the Hounsfield scale in all ventricles. Two burr holes in both frontal areas were performed. About 50ml of blood clot at left ventricle and 30 ml of blood clot with liquor at right ventricle were removed. The patient died 7 days after operation. Autopsy revealed clotted blood in the whole ventricular system, mainly in right anterior horn of lateral ventricle, and a markedly cirrhotic liver with hepatoma. In our review of the literature, the relationship between intraventricular hemorrhage and bleeding tendency caused by hepatic insufficiency was discussed.
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PMID:[Intraventricular hemorrhage with hepatic insufficiency--report of a case (author's transl)]. 23 Dec 14

Cogan syndrome is a multisystem inflammatory vascular disease, characterized by nonsyphilitic interstitial keratitis and vestibuloauditory symptoms. Recent reports have directed attention to involvement of other organ systems. Respiratory, cardiovascular, gastrointestinal, and musculoskeletal problems are common, as are laboratory abnormalities and general symptoms such as fever, chills, and weight loss. Prominent neurologic problems in two patients prompted a review of 79 cases of Cogan syndrome. More than half had nervous system involvement, including electroencephalographic or spinal fluid abnormality, headache, psychosis, coma, convulsion, neuropathy, and stroke. Cogan syndrome should be considered when neurologic deficits are accompanied by eye, ear, and systemic symptoms.
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PMID:Neurologic manifestations of Cogan syndrome. 30 11

Extravasation of contrast media through ruptured intracranial aneurysm has been reported as an unusual case. Among the reported cases, a ventricular opacification is very rare, and in such cases, the prognosis is worst. In this paper, two cases with an aneurysm bleeding into the ventricular system were reported. Case 1. A 37-year-old woman was admitted because of severe headache and disturbance of consciousness. On admission, she was deeply comatose with decerebrate rigidity. Carotid angiogram taken 2 hours and 30 minutes after the attack revealed an aneurysm of the anterior communicating artery and an extravasation of contrast media into the lateral ventricle. Although a continuous ventricular drainage was instituted immediately, the patient died after five days. Case 2. A 33-year-old man suddenly developed severe headache with subsequent loss of consciousness. Two hours after the onset, the patient was admitted in comatose state. Angiography taken 3 hours after the attack demonstrated an aneurysm of the anterior communicating artery. The posterior horns of the lateral ventricles were opacificated. The patient died after 24 hours. In case 1, it was interesting that a remarkable stenosis of the cisternal portion of the internal carotid artery was demonstrated at the 2nd carotid angiography (lateral view), but the third carotid angiography taken after the continuous ventricular drainage showed a complete recovery from the stenosis. This stenosis was supposed to be caused by a compression of the internal carotid artery against the interclinoid ligamentum. Moreover, a rapid enlargement of the aneurysm was noticed by repeated angiography.
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PMID:[Intraventricular extravasation of contrast media through ruptured intracranial aneurysm--report of two cases (author's transl)]. 31 82

The case report is presented of a 24-year-old male who developed the clinical signs and syptoms of pseudotumour cerebri (intracranial hypertension) twice during the course of protracted rejection 1 and 4 months after renal transplantation. Clinically, headache, nausea, hypertensive crisis and, finally, severe coma with an acute mid-brain syndrome was observed. Neurologically a mild left-sided hemiparesis was found on the second occasion. Examination of the fundi revealed bilateral papilloedema. Electroencephalograms showed pathological changes of a diffuse nature, later followed by abnormal delta range activity in the right frontotemporal projection. The withdrawal of corticosteroid therapy may have been responsible for the pseudotumour cerebri in this case.
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PMID:[Recurrence of pseudotumour cerebri (intracranial hypertension) after renal transplantation (author's transl)]. 34 35

Twenty-one patients with locally advanced breast cancer which had failed to respond to conventional therapy have been treated by infusion of C. parvum (strain CN 6134, Wellcome Research Laboratories) in 5% Dextrose. Thirteen patients had a single dose of 15 mg. C. parvum over 4 h and 8 patients received 5 daily infusions of 4 mg C. parvum over 1 h. In 3 patients there was some evidence of tumour regression. Pyrexia, often associated with rigors, headaches, vomiting and variations in blood pressure occurred in most patients receiving either schedule, although the severity of the side effects decreased daily in those receiving 5 treatments. One patient became comatose within 24 h of treatment and died two weeks later. Progressive swelling of the arm on the side of the tumour and inflammation of the primary lesion were prominent in those receiving 5 daily treatments. These results show that caution must be exercised in the clinical use of C. parvum and the search for an ideal schedule should continue.
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PMID:Clinical experience in the use of C. parvum in the treatment of locally advanced carcinoma of the breast. 34 4

Intracerebral hemorrhage has been thought in the past to be manifested by sudden onset of hemiplegia, severe headache and deep coma proceeding to death in most cases. There are patients who present with less ominous symptoms who have heretofore been though to have cerebral infarction or transient ischemic attacks who in reality have intracerebral hemorrhages. Computerized tomography has allowed us to identify these patients and to separate them from the large group of patients with ischemic infarcts either due to thromboses or emboli. Six patients were reported with unexpected brain hemorrhages and their good prognosis is emphasized.
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PMID:Unexpected brain hemorrhages and the value of computerized tomography. 40 Oct 51

The case histories of 125 children with hypertension and no apparent primary CNS disease were analyzed for neurological symptoms or complications. Eleven children had neurological symptoms of high blood pressure. In only one of these patients was the diagnosis of arterial hypertension made before the observation of the neurological findings. The symptoms were severe headache in eight children, convulsions and coma in four, hemiplegia in two, and impaired vision and apraxia in one child. Symptomatology was rapidly reversed by antihypertensive treatment in four children, while six had long-term stigmata and one child died in hypertensive crisis. Because elevated arterial pressure can cause severe neurological disease, routine blood pressure measurement in children--especially those with neurological symptomatology--is stressed.
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PMID:Central nervous system involvement in severe arterial hypertension of childhood. 51 Mar 17

We have reported a rare case of spontaneous 3rd ventriculostomy with spontaneous arrest of obstructive hydrocephalus. A 41 year old man, who had had an intermittent headache for about a year, was admitted to the department of neurosurgery Kitasato University with chief complaints of sudden onset of severe headache, vomiting and disturbance of consciousness. At the time of admission, 30 minutes after the onset of symptoms, the positive neurological findings were delirious state of consciousness, miotic pupils with sluggish reaction to light, mild hemiparesis on the left site and slight nucnal rigidity. He lapsed into coma after two hours, however he gradually relieved from these symptoms since the forth hospital day. Cerebrospinal fluid was bloody. Radiograms of the skull revealed decalcification of posterior clinoid process and postero-inferior displacement of pineal calcification. Brain scanning and vertebral angiography demonstrated tumor stain in the posterior portion of the 3rd ventricle. Dimer-X ventriculography revealed the obstruction of posterior portion of the 3rd ventricle and the leakage of Dimer-X through the floor of the 3rd ventricle into the intrasellar subarchnoid space. The patient died after about one year from the onset of symptoms. Any signs of increased intracranial pressure had not been noticed since the forth hospital day; At autopsy we confirmed the posterior portion of the 3rd ventricle was obstructed by tumor. In the floor of the 3rd ventricle there was a round opening which was patient and measured about 3 mm in diameter. Microscopic examination of the tumor showed an oligodendroglioma. Neoplastic cells partially infiltrated into the surface facing to the 3rd ventricle and slight gliosis was observed around the site of rupture. The surface along the subarachnoid space was lined with pia-aracnoid membrane except at the site of rupture. In the past literatures only 6 cases of spontaneous 3rd ventriculostomy have been reported. Three cases were observed spontaneous arrest of obstructive hydrocephalus. Our case is the first reported case of spontaneous 3rd ventriculostomy through the floor of the 3rd ventriculostomy through the floor of the 3rd ventricle. We suggested the pathogenesis of spontaneous 3rd ventriculostomy is a result of destruction at normally weak points of 3rd ventricle (ex. anterior, posterior wall and floor of 3rd ventricle), which has the reultant internal hydrocephalus caused by recurrent obstruction of C.S.F. pathway or long-standing obstructive hydrocephalus.
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PMID:[A case of spontaneous 3rd ventriculostomy (author's transl)]. 55 83

Pituitary apoplexy, characterized by sudden onset or acute progression of signs and symptoms of pituitary adenoma, is rare yet well-known. One such case is presented with clinical course, neuroradiological findings and autopsy. A 53-year-old female complained of sudden onset of severe headache, and rapidly deteriorated in the level of consciousness. Five days later, she became comatose and was admitted to National Sendai Hospital. Plain skull films and carotid angiograms revealed a remarkably large mass in the pituitary fossa. Death came ten hours after admission. Autopsy revealed a giant tumor (10 X 5 X 7.5 cm) destroying the sella turcica and protruding toward both the nasopharyngeal cavity and the hypothalamic region. Microscopically, diagnosis was made as chromophobe adenoma with fresh hemorrhage in the tumor.
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PMID:[Pituitary apoplexy of giant pituitary adenoma--case report (author's transl)]. 59 22


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