Search Results
Results 451 - 500 of 716
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Weston P - - 1995
Benign intracranial hypertension is a condition of obscure aetiology which presents with episodic headaches and nausea. It is a diagnosis based on the exclusion of other intracranial pathology and computed tomography is usually normal. We present a case of gliomatosis cerebri which was initially diagnosed and treated as benign intracranial ...
Rainov N G - - 1995
The case of a 30-year-old male patient is presented who was admitted with a 3-month history of elevated intracranial pressure and reduced-hearing on the right. CT revealed hydrocephalus due to displacement of the 4th ventricle by a large non-enhancing cerebellar mass with calcifications. MRI sequences showed a space-occupying lesion within ...
Honegger J - - 1995
BACKGROUND AND OBJECTIVE: With regard to intracranial tumours, elevated hCG in CSF or serum has been considered to be specific for germ-cell tumours. Recently however, elevated hCG has also been shown to be present in cyst fluid and CSF of patients with craniopharyngiomas. While germ-cell tumours are generally non-cystic, the ...
Bourekas E C - - 1995
Intracranial hypotension, which is most commonly caused by lumbar puncture, can lead to intense meningeal enhancement, which resolves on its own once the intracranial hypotension has been corrected. The characteristic clinical presentation of severe postural headaches with a low opening CSF pressure on subsequent lumbar puncture and a history of ...
Choudhury A R - - 1995
A 5-year-old girl presented with a 1-year history of a subcutaneous swelling in the right parietal region. There were no cerebral symptoms or signs. Plain X-ray of the skull showed a lytic bony lesion with sclerotic margin. Computed tomography showed a hypodense, osteolytic lesion with thinned and bulged inner and ...
Kurimoto M - - 1995
A case with multiple intracranial germinomas involving basal ganglia and corpus callosum is presented. Clinical and sequential neuroradiological studies demonstrated the entire course of multiple tumour development. These findings suggested that the multiple tumours were intracranial metastatic deposits from primary germinoma in the pineal body. A common primary pineal or ...
Robertson P L - - 1995
The presentation, radiographic findings and course of 17 children with MRI-documented intrinsic midbrain lesions are reviewed. The anatomic centers of all the lesions were tectal, peritectal, or tegmental. Lesions centered at the pineal gland were excluded. Signs of increased intracranial pressure from hydrocephalus requiring shunt placement were present in 14 ...
Munckhof W J - - 1994
OBJECTIVE: To report the first case of cerebral sparganosis diagnosed in Australia. CLINICAL FEATURES: A 23-year-old East Timorese refugee, whose diet before migration included raw snakes and frogs, presented with a generalised tonic-clonic seizure and a nine-month history of episodic left hemianaesthesia. Computerised axial tomography of the brain showed a ...
Som P M - - 1994
PURPOSE: To determine whether the MR finding of cysts along the intracranial margin of sinonasal esthesioneuroblastomas can be considered to suggest this tumor. METHODS: MR scans of 54 patients who had sinonasal lesions with intracranial extension were examined specifically for cysts along the intracranial margins of the lesions. RESULTS: Only ...
Yamakawa H - - 1994
A 69-year-old male with an intracranial bullet retained in the right occipital lobe for 45 years presented with epileptic seizure occasionally accompanied by visual hallucinations. Neurological examination revealed left homonymous hemianopsia and right hearing loss, and electroencephalography showed slow discharges localized in the lesion. The bullet was removed together with ...
White A E - - 1994
Intracranial tuberculoma has become a rarity. It remains a curable lesion that responds well to medical therapy. Although diagnosis in developed countries is often made only postoperatively, early and effective treatment can be instituted if a high index of suspicion is maintained and diagnostic criteria are looked for. A case ...
Hacker D C - - 1994
BACKGROUND: Nasal dermoid sinus cysts are rare congenital lesions that result from aberrant embryonal development. Cases of nasal dermoids associated with intracranial extension have been reported in the past, but have almost always occurred in children. METHODS: One case of a nasal dermoid cyst with intracranial involvement in a 56-year-old ...
Mezue W C - - 1994
Six cases of nasopharyngeal carcinoma presenting primarily to the neurosurgical service of the University of Nigeria Teaching Hospital as intracranial subtemporal masses are discussed. This mode of initial presentation is very rare. The clinical features are described and the need to examine and biopsy the nasopharynx in cases of intracranial ...
Pollack I F - - 1994
The authors report three cases of histologically benign intracranial astrocytomas that developed in children and disseminated within the neuraxis. Multicentric disease was evident at the time of diagnosis in two of these patients, one of whom subsequently developed peritoneal seeding of tumor after placement of a ventriculoperitoneal shunt. To our ...
Bensaid A H - - 1994
Intracranial alveolar echinococcosis is uncommon. We report a patient with right frontal lobe and palpebral lesions secondary to a primary hepatic focus with secondary lesion in the lung. The intracranial and palpebral cystic masses were totally removed and both proved to be alveolar hydatid cysts. An unusual feature in this ...
Lamey P J - - 1994
Self-induced lesions of the face and mouth may occasionally be encountered in dental practice. In general the deliberate creation of orofacial lesions is an indication of underlying psychiatric disease of various types that usually involve a personal gain by the patient from having such lesions. We present three cases of ...
Konsuoglu S S - - 1994
Seven cases of intracranial tuberculoma diagnosed in northern Turkey over a 2-year period are presented, with emphasis on the CT and clinical findings. CT alone cannot differentiate tuberculoma from an abscess or other granulomatous processes, but it is still one of the most sensitive techniques for detecting tuberculomas. It provides ...
Jocic Z - - 1993
Reduplication and misidentification syndromes are similar and peculiar phenomena of disorientation and beliefs with delusional qualities. They are more frequent among neurologic and psychiatric patients than previously thought. Organic factors play a definitive role in their occurrence. A case is presented which exemplifies reduplication of place and person, following a ...
Weyerts L K - - 1993
We present a case in which an intracranial tumour replacing all intracranial contents was diagnosed by sonography at 31 weeks' gestation. The patient was delivered by caesarean section and died shortly after delivery. At necropsy, the tumour was found to be a teratoma with no recognisable normal brain tissue present. ...
Ejigu A - - 1993
A 49-year-old male patient with an intracranial tuberculoma who presented with motor aphasia and right sided hemiplegia is discussed. Although tuberculosis is common in the country, to date antemortem histologically confirmed case has not been reported in Ethiopia. It is recommended that intracranial tuberculoma should be considered in the differential ...
Arvind C - - 1993
Tuberculomata in the brain are a common feature of intracranial tuberculosis, especially in the sub-continent. With the advent of computerized tomography, a diagnosis can be made, in many instances. In this study, 1247 cases of CT diagnosed intracranial tuberculomata were analysed retrospectively with regard to the age, sex and symptoms ...
Kodsi S R - - 1993
A 40-year-old man presented with a left optic neuropathy. Magnetic resonance imaging demonstrated a contrast-enhancing mass along the course of the left trigeminal nerve and in the region of the left cavernous sinus with suprasellar extension. Preoperatively, he had a serum polyclonal gammopathy. Pathologic diagnosis was an intracranial plasma cell ...
Shields C B - - 1993
Two available commercial units for radiosurgery are the modified linear accelerator (LINAC scalpel) and the gamma knife. Advantages of the LINAC scalpel over the gamma knife are its greater accuracy, the availability of a wide range of collimator sizes that allow for a more homogeneous field of radiation for large ...
Kasantikul V - - 1993
Two patients with malignant prolactinoma are reported. The diagnosis of malignancy depends on the demonstration of invasion of brainstem and subarachnoid space and on the presence of marked cellular pleomorphism and mitotic activity. Review of the literature revealed that such malignant tumors were more common in men than in women. ...
el-Fiki M E - - 1993
Sphenoid sinus mucoceles are rare lesions. Those with intracranial extension were thought to be extremely rare in Western literature. We encountered three such cases within 1 year. These cases were confirmed on pathological examination to be pyoceles of the sphenoid sinus, extending to the sella and suprasellar region. Bilateral exophthalmos, ...
Pilarczyk M - - 1993
Intracranial cysts are most often found in the lateral sulcus between the cerebral hemispheres and at the midline in the posterior cranial cavity. Covered with the clear or turbid arachnoidea, they are filled with a clear, colorless or slightly yellow cerebrospinal fluid, sometimes they have a considerable size and tend ...
Lupret V - - 1993
Cranial base lesions present a great challenge even to the most skilled neurosurgeon due to the difficulty of gaining access to the cranial base, the complex anatomical relations, hips of neurovascular structures involved in the pathology of the cranial base and bone destruction caused by tumors leaving intracranial space open ...
Koshiyama H - - 1992
A 28-year-old man with chondroid chordoma, an uncommon variant of chordoma, is reported. The patient presented with visual disturbance and hypopituitarism. The latter is a rare complication of intracranial chordoma. The preoperative diagnosis of chondroid chordoma of the skull base was based on unique findings on computed tomography and magnetic ...
Wilms G - - 1992
The contribution of MR in 10 patients with surgically proven intracranial hemangioblastomas was retrospectively evaluated and correlated with the computed tomographic findings. Angiography was obtained in eight cases. Multiple lesions were shown in only two patients, but none proved to have von Hippel-Lindau disease. In six patients the tumor typically ...
Singer J I - - 1992
The majority of pediatric neoplasias of the brain are midline growths in the posterior fossa. These mass lesions lead to obstruction of cerebrospinal fluid circulation and cause increased intracranial pressure. Affected children typically present with insidious complaints of headache and vomiting. Ataxia, cranial nerve palsies, or pyramidal tract signs may ...
Namasivayam J - - 1992
The correlation of computerized tomography (CT) features with survival of 28 patients with primary intracranial lymphoma was analysed retrospectively. Severe perifocal oedema, periventricular tumours and lesions which were non-homogenously enhancing or non-enhancing were found to be associated with a poor prognosis. The prognosis when multiple lesions were present was almost ...
Nelson S C - - 1992
Trilateral retinoblastoma, the intracranial malignancy associated with bilateral retinoblastoma, is an uncommon and clinically aggressive malignancy with a uniformly fatal outcome. Three children with newly diagnosed trilateral retinoblastoma were treated with systemic (cyclophosphamide and vincristine) and intrathecal (methotrexate, hydrocortisone, and cytarabine) chemotherapy, as well as craniospinal irradiation (one patient) in ...
Shin Y K - - 1992
Nausea and vomiting are so frequent under regional anesthesia during parturition that these symptoms can be misleading and may cause the clinician to overlook a potential intracranial lesion. In the case we have reported, it was not until the onset of blindness that an intracranial lesion was suspected. Although the ...
Okuno S - - 1992
Recurrent intracranial germinoma with multiple spinal metastases occurred in a 16-year-old male presenting with persistent headache and visual disturbances. Computed tomography revealed enhanced lesions in the pineal region, anterior horn, and infundibulum. Conventional irradiation achieved remission, but local recurrences requiring further irradiation occurred after 23 months. Magnetic resonance imaging showed ...
Kalra V - - 1992
Neurocysticercosis was diagnosed in 0.89% of children enrolled in our Child Neurology Clinic in the years 1979 to 1990. The commonest presenting symptom was seizures (90%) followed by raised intracranial pressure (44%). CT scans revealed a variety of lesions including low and high attenuation cysts, periventricular edema, hydrocephalus and calcification. ...
Murray R - - 1992
Lyme neuroborreliosis is one of the chronic manifestations of Lyme disease and is caused by the neurotropic spirochete, Borrelia burgdorferi. Two of the three stages of Lyme disease potentially involve the central nervous system: a second stage that may manifest as meningitis, cranial neuritis, or radiculoneuritis; and a third stage, ...
Rosser S V - - 1992
Flaws, biases, and ethical problems surrounding research and diagnosis may lead to inappropriate or inequitable treatments that exacerbate or fail to improve the misery that some individuals face due to their psychiatric conditions. Possible androcentric biases in the choice and definition of categories for diagnosis available in DSM-III-R may in ...
Kuhn M J - - 1992
The radiological findings associated with alloimmune thrombocytopenia have not been well described. We present two such cases diagnosed in utero by ultrasound and discuss the radiographic findings of intracranial hemorrhage and hydrocephalus secondary to alloimmune thrombocytopenia. An awareness of this entity and its early diagnosis and intervention may greatly reduce ...
Bhattacharjee M B - - 1992
An unusual case of an isolated histioproliferative lesion arising from the suprasellar region is described. The presence of lymphophagocytosis suggested that this represented an extranodal intracranial form of sinus histiocytosis with massive lymphadenopathy.
Lyons B M - - 1992
Inverting papilloma is a locally aggressive neoplasm; however, intracranial extension is very rare. The authors herein report a case of massive inverting papilloma with intracranial extension and an associated frontal sinus mucocele, causing marked frontal lobe compression. Treatment consisted of combined anterior craniofacial resection. Magnetic resonance imaging provided accurate preoperative ...
Nagayama M - - 1992
This is the first report to describe the coexistence of two rare diseases, intracranial paramedian hourglass-shaped dermoid and steatocystoma multiplex. A 46-year-old female with a history of steatocystoma multiplex, bradydactylies and kyphosis showed oscillopsia, ataxia and hemifacial spasm. MRI findings suggested a giant dermoid cyst extending from the left middle ...
Horn M - - 1992
Clinical, histopathological, and ultrastructural features of an extended intracranial malignant neoplasm are presented. Following incomplete extirpation of a large epidural tumor at the temporal base of the skull, the 21-year-old male patient suffered from several local recurrences and died at the age of 27. The neoplasm was defined by its ...
Paulus W - - 1992
We present the case of a 7-year-old boy who had a solitary mass within Meckel's cave that recurred 6 weeks after the initial resection. The histological, immunohistochemical, electron-microscopical, and molecular genetical features established the lesion's histiocytic nature. Our findings showed that it was closely related to juvenile xanthogranuloma, a benign ...
Karakhan V B VB Department of Neurology and Neurosurgery, Moscow Medical Stomatological Institute, - - 1992
The possibilities of endoscopic operative procedures in preformed and artificial intracranial and intracerebral cavities are described. Endoscopic investigations were carried out on 166 cadavers; death was due to extracranial pathology and severe brain injury. 132 patients with intracranial lesions were operated on endoscopically. An extended description of endofiberscopic intracranial topographical ...
Fierro B - - 1991
A case presenting with clinical features of ocular myasthenia and a false-positive edrophonium test is reported. Brain CT and MRI scan revealed a pineal region tumor histologically verified as germinoma. We recommend evaluating patients with clinical features of myasthenia gravis (MG) confined to the ocular muscles for intracranial mass lesions.
Dutton D A - - 1991
A 28-year-old woman developed symptoms of raised intracranial pressure associated with an obstructive hydrocephalus following a spinal anaesthetic administered for a Kiellands rotation forceps delivery. A diagnosis of an unverified pineal body tumour was made after computerised axial tomography scanning and the symptoms were effectively treated by the insertion of ...
Ellis M E - - 1991
A case of extensive intracranial tuberculoma is presented. The patient had been treated for 5 years with a standard antituberculosis regimen but she had been grossly non-compliant. This had led to emergence of multi-resistant Mycobacterium tuberculosis producing progressive disease and extensive cranial nerve damage and proptosis. The unusual CT and ...
Narbone M C - - 1991
A 69 year old man complaining of a cluster-like headache is reported. CT scan showed a median intracranial calcified lesion. Two main considerations are: 1) the importance of searching for an underlying structural lesion in patients with an "atypical" cluster headache; 2) the possible significance of a lesion localized close ...
Baldwin H E - - 1991
The differential diagnosis of subcutaneous lesions of the scalp is extensive and includes many tumors with intracranial and intraosseous extension. The vast majority of lesions seen by the dermatologist will be benign. However, certain lesional characteristics increase the likelihood of a serious disorder and these must be evaluated preoperatively. We ...
Worthington C - - 1991
We describe a system for stereotactic radiosurgery with a linear accelerator. This technique allows treatment of small (less than 40 mm diameter) intracranial lesions, including vascular malformations, and primary and metastatic tumors that are deep within the brain or in areas not amenable to open surgery. A beam of ionizing ...
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