The authors report a case of tuberculoma of the cerebral hemisphere, which has been excised under the operating microscope. With the references reviewed, this case is interesting one in supratentorial location.
Cerebrum* ; Tuberculoma*

One hundred human cerebral hemispheres from 50 cadevers were dissected for evaluation on the variation of the tentorial sinus. Tentorial sinuses were found in 43 hemispheres which revealed a total of 63 branches. Tentorial sinuses were observed bilaterally in 14 cadevers and unilaterally in 15, but were absent in 21 cadevers. We divided the draining site of the tentorial sinuses at the straight sinus into 3 zones : Zone 1, anterior one third of the straight sinus, into which 15 out of 63 tentorial sinuses were found to be drained, zone 2 which is the most prevalent site, middle one third of the straight sinus draining 27 out of 63 tentorial sinuses and zone 3, posterior one third of the straight sinus draining 21 out of 63 tentorial sinuses.
Cerebrum ; Humans ; Veins

Cutis verticis gyrata(CVG) is a descriptive term for a condition of the scalp in which deep furrows and convolutions are seen that resemble the outer surface of the cerebrum. The possible etiologies may be categorized as primary essential, primary nonessential, and secondary cutis verticis gyrata. This is based on history, physical examination, and histologic criteria with or without laboratory examinations. Herein we reported a case of primary essential cutis verticis gyrata with no associated disorders.
Cerebrum ; Physical Examination ; Scalp

It is well recognized that antiepileptic drugs (AEDs) can cause generalized or bilateral asterixis. However, the unilat-eral asterixis induced by AEDs has been rarely reported in patients with structural brain lesions. We report 2 patients who developed unilateral asterixis within therapeutic AEDs levels. In both patients, the unilateral asterixis disappeared when the daily dosage of AEDs was decreased. Our cases suggest that the cerebral hemisphere with structural lesions might be more vulnerable to the development of AEDs-induced asterixis.
Anticonvulsants* ; Brain* ; Cerebrum ; Dyskinesias* ; Humans

Pleomorphic xanthoastrocytoma is a rare type of glioma and usually occurs in the superficial cerebral hemisphere of the patients under the age of 30 years. We report a case of pleomorphic xanthoastrocytoma in the cerebellum of a 3-month-old infant. This is an unusual case in view of location and age. The literatures concerning the clinicopathological aspects of this unusual pleomorphic xanthoastrocytoma are reviewed.
Cerebellum ; Cerebrum ; Glioma ; Humans ; Infant*

Our survival and wellness require a balance between optimism and pessimism. Undue pessimism makes life miserable; however, excessive optimism can lead to dangerously risky behaviors. A review and synthesis of the literature on the neurophysiology subserving these two worldviews suggests that optimism and pessimism are differentially associated with the two cerebral hemispheres. High self-esteem, a cheerful attitude that tends to look at the positive aspects of a given situation, as well as an optimistic belief in a bright future are associated with physiological activity in the left-hemisphere (LH). In contrast, a gloomy viewpoint, an inclination to focus on the negative part and exaggerate its significance, low self-esteem as well as a pessimistic view on what the future holds are interlinked with neurophysiological processes in the right-hemisphere (RH). This hemispheric asymmetry in mediating optimistic and pessimistic outlooks is rooted in several biological and functional differences between the two hemispheres. The RH mediation of a watchful and inhibitive mode weaves a sense of insecurity that generates and supports pessimistic thought patterns. Conversely, the LH mediation of an active mode and the positive feedback it receives through its motor dexterity breed a sense of confidence in one's ability to manage life's challenges, and optimism about the future.
Cerebrum ; Depression ; Functional Laterality ; Negotiating ; Neurophysiology

The studies of the occurrence and changes of experimental brain edema have been observed by calculating wet weight, volume, dry weight, per cent water content and swelling per cent in 12 normal rabbits as a control group and 24 rabbits of experimental group. The brain edema was induced by expansion of laminaria which resulted in brain compression, that was inserted into the supratentorial extradural space of rabbit. The piece of section of laminaria which is a sea weed and used for the purpose of slow expanding space-occupyin gmass has a characteristic mode of slow expansion in volume on contact with water. The average wet weight of cerebral hemisphere of normal rabbits was 3.30+/-0.19 gm. The average dry weight of unilateral hemisphere of 156 from 78 rabbits was 0.69+/-0.04 gm, while its volume was 2.97+/-0.29 ml and the percentages of water content was 78.92+/-1.36 per cent. The weight, volume and percentages of water content and swelling in the compressed sides of hemisphere showed higher values compared them to the opposite noncompressed hemisphere in the "laminaria-compression" group and showed gradually increasing tendency in the values as the time elapsed.
Brain ; Brain Edema* ; Cerebrum ; Laminaria ; Rabbits ; Water

A case of Tuberculous abscess in cerebrum, in a 17 years-old male, is presented, which was confirmed Pathologically and microbiologically. At present, tuberculous infection progressively decrease, and especially occurs rarely tuberculous abscess in central nerve system. The prognosis is known to be poor. We have experienced a case of tuberculous abscess in cerebrum and obtained a good result after surgery. So, we report our case with a brief review of the articles.
Abscess* ; Adolescent ; Cerebrum* ; Humans ; Male ; Prognosis

Multicystic encephalomalacia is the condition defined anatomically by the presence of multiple cavities in the great part of both cerebral hemispheres. The most common cause of the condition was regarded as the circulatory disturbance during the perinatal period. Also, neonatal asphyxia was the most important cause of the circulatory disturbance. But we experienced a case of multicystic encephalomalacia in a liveborn twin with a stillborn co-twin without perinatal asphyxia. It seems likely that intrauterine disseminated intravascular coagualation owing to fetofetal transfer of thromboplastic material from the dead fetus through vascular shunts in a monochorionic placenta without neonatal asphyxia constitute the main cause of the neurologic complication in our patient. So we report with a brief review and its related literatures.
Asphyxia ; Cerebrum ; Encephalomalacia* ; Fetus ; Humans ; Placenta ; Twins*

Most anterior communicating artery aneurysms arise in association with ipsilateral, dominant, proximal anterior cerebral artery(A1) segments and, as direct extensions of those vessels, are often somewhat directed toward the contralateral cerebral hemispheres. We classified the directions of the anterior communicating artery aneurysms based on three dimensional orientations of neck orifices and fundus projections which were then described schematically to demonstrate spatial orientations. We also analyzed 32 cases of anterior communicating artery aneurysm who had been operated on during recent 3.5 years according to this classification. Only the difference in the size of aneurysm in relation to the site of aneurysmal neck was statistically significant(p=0.0116), and there were no correlations between A1 hypoplasia and the site of aneurysmal neck, the projection of aneurysmal fundus and the size of aneurysm, and the intraoperative rupture and the projection of the aneurysmal fundus. Although meaningful clinical results could not be obtained, we believe this classification can be very helpful in planning traditional or endovascular surgeries for, and in understanding spatial directions of anterior communicating artery aneurysms.
Aneurysm ; Cerebrum ; Classification* ; Intracranial Aneurysm* ; Neck* ; Rupture