Seeding of malignant meningioma along a surgical trajectory on the scalp

2002 ◽  
Vol 97 (3) ◽  
pp. 683-686 ◽  
Author(s):  
Wolf O. Lüdemann ◽  
Richard Obler ◽  
Marcos Tatagiba ◽  
Madjid Samii
Keyword(s):  
Malignant Meningioma ◽  
Tumor Removal ◽  
Content Type ◽  
First Report ◽  
The Right ◽  
Cell Dissemination ◽  
The Brain ◽  
Fine Print

✓ The authors report the case of an 11-year-old boy with a malignant meningioma of the right frontal meninges. The tumor was asymptomatic, despite visible exophytic extracranial growth. Neuroimaging demonstrated an en plaque meningioma bulging into the brain. Six months after the tumor had been totally removed by surgery, an isolated subcutaneous metastasis developed at the right preauricular area of the scalp, originating at the scar left by the first surgery. After removal of this metastasis, radiotherapy was conducted. To date the follow-up examinations have not revealed any additional metastases. To the best of the authors' knowledge, this is the first report of a seeding of a subcutaneous metastasis in a child with a malignant meningioma. The authors review the literature with reference to malignant meningiomas and their formation of metastasis. In cases of malignant meningiomas, piecemeal tumor removal carries the risk of iatrogenic cell dissemination even when precautions are taken.

The long-term results of gamma knife radiosurgery for hemangioblastomas of the brain

2005 ◽  
Vol 102 ◽  
pp. 225-229 ◽  
Author(s):  
En-Min Wang ◽  
Li Pan ◽  
Bing-Jiang Wang ◽  
Nan Zhang ◽  
Liang-Fu Zhou ◽  
...  
Keyword(s):  
Gamma Knife ◽  
Tumor Control ◽  
Content Type ◽  
Prescription Dose ◽  
The Mean ◽  
Vhl Disease ◽  
The Brain ◽  
Fine Print

Object. The authors assessed the long-term result of gamma knife surgery (GKS) for hemangioblastomas of the brain (HABs) and show histopathological findings after GKS. Methods. Thirty-five patients, 28 men and seven women, with a mean age of 36 years underwent GKS. Eighteen patients presented with multiple tumors and 17 with a solitary tumor. Twenty-one patients had von Hippel—Lindau (VHL) disease. The mean tumor diameter was 13 mm (range 5–55 mm). The mean follow up after GKS was 66 months (range 24–114 months). The mean prescription dose was 17.2 Gy (range 12–24 Gy) at the tumor margin. For tumors close to or within the brainstem a prescription dose of 12 to 13 Gy was used. At the most recent follow up, 29 patients were alive, six were dead, and satisfactory tumor control had been achieved in 29. A stable or improved neurological status was obtained in 21 patients. Eight patients underwent open surgery because of tumor-associated cyst enlargement or the development of new tumors after GKS. Seven patients developed new tumors and five of them required a second GKS. The 1-year tumor control rate was 94%; 2 years, 85%; 3 years, 82%; 4 years, 79%; and 5 years, 71%. Histopathology showed that no tumor cells were found and there was degeneration and necrosis in a tumor nodule 48 months after GKS with a prescription dose of 18 Gy. Conclusions. Gamma knife surgery was a useful choice for small- or medium-sized, solid HAB in the long term, especially when the tumor margin dose was 18 Gy. Although GKS can treat multiple tumors in a single session, for HABs associated with VHL disease, GKS faces the dual problems of tumor recurrence or development of a new tumor.

Arteriovenous malformations of the brain

1972 ◽  
Vol 37 (5) ◽  
pp. 562-570 ◽  
Author(s):  
David M. C. Forster ◽  
Ladislau Steiner ◽  
Sten Håkanson
Keyword(s):  
Arteriovenous Malformations ◽  
Indications For Surgery ◽  
Content Type ◽  
Long Run ◽  
The Mean ◽  
The Brain ◽  
Fine Print

✓ The quality of survival of 150 patients with arteriovenous malformations of the brain is presented. The mean period of follow-up was over 15 years. The surgically operated and conservatively managed groups are compared, a comparison that in the long run appears to favor the operated cases. The results are discussed and indications for surgery summarized.

Remote congenital cerebral arteriovenous fistulae associated with aortic coarctation

1992 ◽  
Vol 76 (1) ◽  
pp. 137-142 ◽  
Author(s):  
Francis H. Tomlinson ◽  
David G. Piepgras ◽  
Douglas A. Nichols ◽  
Daniel A. Rüfenacht ◽  
Sue C. Kaste
Keyword(s):  
Caesarean Section ◽  
Aortic Coarctation ◽  
Coarctation Of The Aorta ◽  
Vascular Lesions ◽  
Prenatal Ultrasonography ◽  
Arteriovenous Fistulae ◽  
Content Type ◽  
The Right ◽  
Fine Print

✓ A neonate presented with anatomically discrete cerebral arteriovenous fistulae located in the right sylvian fissure and the cerebellar vermis that were initially detected by prenatal ultrasonography. Following delivery of the baby by Caesarean section, both malformations were treated by surgical obliteration. These intracranial vascular lesions were associated with cardiac anomalies and a periductal coarctation of the aorta, which was treated with a left subclavian rotational arterial pedicle repair. Follow-up examination of the infant at age 13 months demonstrated an excellent clinical result with normalization of the circulation. The pathophysiology of this syndrome is discussed and the literature reviewed.

Primary osteogenic sarcoma of the brain

1976 ◽  
Vol 44 (1) ◽  
pp. 92-95 ◽  
Author(s):  
Skip Jacques ◽  
Donald B. Freshwater ◽  
C. Hunter Shelden
Keyword(s):  
Primary Tumor ◽  
Osteogenic Sarcoma ◽  
Mesenchymal Cell ◽  
Bone Scanning ◽  
Content Type ◽  
Autopsy Findings ◽  
Tumor Focus ◽  
The Right ◽  
The Brain ◽  
Fine Print

✓ The authors report a case of primary osteogenic sarcoma of the brain. Negative autopsy findings, complete bone radiographs, and bone-scanning techniques were consistent with a primary tumor focus in the right temporoparietal region of the brain. The authors suggest an origin from a primitive multipotential mesenchymal cell.

Electrical stimulation of the brain in treatment of chronic pain

1985 ◽  
Vol 62 (3) ◽  
pp. 389-396 ◽  
Author(s):  
Ronald F. Young ◽  
Richard Kroening ◽  
Wayne Fulton ◽  
Robert A. Feldman ◽  
Israel Chambi
Keyword(s):  
Chronic Pain ◽  
Electrical Stimulation ◽  
Gray Matter ◽  
Pain Treatment ◽  
Psychiatric Evaluation ◽  
Content Type ◽  
The Brain ◽  
Fine Print ◽  
Stimulation Of

✓ Forty-eight patients underwent electrical stimulation of the brain for treatment of chronic pain between 1978 and 1983. Average pain duration prior to treatment was 4.5 years. Before selection for this procedure patients underwent pain treatment in a multidisciplinary pain center, intensive psychological and psychiatric evaluation, and assessment of pain responsiveness to intravenous administration of placebo, morphine, and naloxone. A total of 71 electrodes were placed in the 48 patients at a variety of stimulating targets, including the periaqueductal gray matter, periventricular gray matter, thalamus, and internal capsule. Seventy-two percent of patients experienced complete or partial pain relief. In addition, 59% of patients were able to discontinue narcotic usage. Twenty-five percent of patients returned to normal physical activities and another 33% showed marked improvement in functional capacity. Follow-up periods ranged from 2 to 60 months; with a mean follow-up period of 20 months. A variety of relatively minor complications occurred, but no mortality or permanent sequelae were experienced. No patient's pain was made worse as a result of electrical stimulation. Electrical stimulation of the brain offers a safe and relatively effective method for the treatment of chronic pain in appropriately selected patients, who are unresponsive to other forms of therapy.

Gamma surgery for melanoma metastases in the brain

2002 ◽  
Vol 96 (3) ◽  
pp. 544-551 ◽  
Author(s):  
Vincenzo Mingione ◽  
Marcelo Oliveira ◽  
Dheerendra Prasad ◽  
Melita Steiner ◽  
Ladislau Steiner
Keyword(s):  
Brain Metastases ◽  
Survival Time ◽  
Cox Regression ◽  
Brain Lesion ◽  
High Dose ◽  
Content Type ◽  
Melanoma Metastases ◽  
The Brain ◽  
Fine Print

Object. The aim of this study was to evaluate the usefulness and limitations of gamma surgery (GS) in the treatment of brain metastases from melanoma. Methods. Imaging and clinical outcomes in 45 patients treated for 92 brain metastases from melanoma between October 1989 and October 1999 were retrospectively analyzed. Follow-up imaging studies were available in 35 patients with 66 treated lesions. Twenty-four percent of the lesions disappeared, 35% shrank, 23% remained unchanged, and 18% increased in size. No undue radiation-induced changes were observed in the surrounding brain. Clinical data were available in all patients. No deaths or neurological morbidity related to GS was observed. The median survival time, calculated using the Kaplan—Meier method, was 10.4 months from the time of GS. In both univariate and multivariate Cox regression analyses, a single brain lesion and lack of visceral metastases were statistically predictive of a better prognosis. Six of eight patients with solitary metastasis (that is, a single brain metastasis with no primary visceral tumor) were still alive at the close of the study, none of them with disease progression, with a follow-up period ranging between 14 and 82 months. Sixteen patients in this series received adjunctive whole-brain radiation therapy, which had no impact on their survival time or local and distant control of the brain disease. Conclusions. Gamma surgery is effective in treating melanoma metastases in the brain. It appears that the radiobiology of a single high dose overcomes the radioresistance barrier, yielding better results than fractionated radiation.

Multiple giant hydatid cysts of the brain

1982 ◽  
Vol 57 (3) ◽  
pp. 413-415 ◽  
Author(s):  
Ajay Sharma ◽  
Jacob Abraham
Keyword(s):  
Computerized Tomography ◽  
Hydatid Disease ◽  
Rare Case ◽  
The Body ◽  
Hydatid Cysts ◽  
Content Type ◽  
Multiple Primary ◽  
The Right ◽  
The Brain ◽  
Fine Print

✓ A rare case of multiple primary hydatid cysts of the brain is reported in a 9-year-old girl. There were five cysts, occupying most of the right supratentorial region. The biggest cyst measured 9 cm across, while the smallest one was 4.5 cm in diameter. The diagnosis was based on computerized tomography findings. The patient did not have any evidence of hydatid disease elsewhere in the body. The delivery of all the cysts resulted in the dramatic neurological recovery of this patient.

Primary intracranial epidermoid carcinoma

1979 ◽  
Vol 50 (6) ◽  
pp. 830-833 ◽  
Author(s):  
Yoshiki Nosaka ◽  
Seigo Nagao ◽  
Kazuo Tabuchi ◽  
Akira Nishimoto
Keyword(s):  
Brain Stem ◽  
Computerized Tomography ◽  
Cerebellopontine Angle ◽  
Epidermoid Carcinoma ◽  
Malignant Tissue ◽  
Content Type ◽  
The Right ◽  
Intracranial Epidermoid ◽  
The Brain ◽  
Fine Print

✓ A case is presented of primary intracranial epidermoid carcinoma in the right cerebellopontine angle which was visualized as a homogeneously enhanced mass on computerized tomography. At autopsy the malignant tissue was found to have invaded the brain stem.

Giant aneurysm arising from a single arteriovenous fistula in a child

1984 ◽  
Vol 60 (5) ◽  
pp. 1085-1088 ◽  
Author(s):  
Rafael Carrillo ◽  
Luis Miguel Carreira ◽  
José Prada ◽  
Cesareo Rosas ◽  
Guillermo Egas
Keyword(s):  
Brain Stem ◽  
Arteriovenous Fistula ◽  
Posterior Cerebral Artery ◽  
Giant Aneurysm ◽  
Vein Of Galen ◽  
Feeding Artery ◽  
Content Type ◽  
The Right ◽  
The Brain ◽  
Fine Print

✓ A case is presented of a child with an arteriovenous fistula and a giant aneurysm located beside the brain stem under the right temporal lobe. It was successfully treated by clipping its feeding artery, a branch of the right posterior cerebral artery. The similarities to, and the differences from, aneurysms of the vein of Galen are discussed.

Hydroxyurea for treatment of unresectable and recurrent meningiomas. II. Decrease in the size of meningiomas in patients treated with hydroxyurea

1997 ◽  
Vol 86 (5) ◽  
pp. 840-844 ◽  
Author(s):  
Uwe M. H. Schrell ◽  
Michael G. Rittig ◽  
Marc Anders ◽  
Uwe H. Koch ◽  
Rolf Marschalek ◽  
...  
Keyword(s):  
Mr Imaging ◽  
Cavernous Sinus ◽  
World Health ◽  
Malignant Meningioma ◽  
Who Grade ◽  
Content Type ◽  
Fourth Patient ◽  
Long Term Treatment ◽  
The Right ◽  
Fine Print

✓ In this paper the authors present the first evidence that meningiomas respond to treatment with hydroxyurea. Hydroxyurea was administered as an adjunct chemotherapeutic treatment in patients with recurrent and unresectable meningiomas. Hydroxyurea was used because experimental data demonstrated that it inhibits growth of cultured human meningioma cells and meningioma transplants in nude mice by inducing apoptosis. The authors therefore treated four selected patients with hydroxyurea. All patients had undergone multiple gross resections and all except one received radio-therapy. Three patients with recurrent Grade I meningiomas assessed according to World Health Organization (WHO) guidelines received hydroxyurea because of an increased tumor growth rate, documented by magnetic resonance (MR) imaging, within a 6- or 12-month interval. A fourth patient with a malignant meningioma (WHO Grade III) began a course of treatment with hydroxyurea immediately after his sixth palliative operation without waiting for another relapse to be demonstrated on MR imaging. Because of their location and invasive growth behavior none of the meningiomas could have been removed completely by surgical intervention. All patients received hydroxyurea at a dosage level of 1000 to 1500 mg/day (approximately 20 mg/kg/day). In a man with a large sphenoid wing meningioma invading the right cavernous sinus and the temporal base, the intracranial tumor mass was reduced by 60% during 6 months of treatment. A woman with a large ball-shaped meningioma of the right sphenoid wing invading the cavernous sinus exhibited a 74% decrease of the initial tumor volume in 10 months of treatment with oral hydroxyurea. Serial MR images obtained monthly revealed that the process of size reduction was continuous and proportionate. The shrinkage of the tumor was accompanied by a complete remission of symptomatic trigeminal neuralgia after 2 months and by improved abducent paresis after 5 months. The third patient had a slowly growing meningioma that exhibited a 15% reduction in mass when reassessed after 5 months of hydroxyurea treatment. The fourth patient with the malignant meningioma in the left cerebellopontine angle has had no recurrence for 24 months. Long-term treatment with hydroxyurea may result in full remission of tumors in meningioma patients. The preliminary data indicate that hydroxyurea provides true medical treatment in patients with unresectable and recurrent meningiomas, replacing palliative surgery and radiotherapy in the management of this disease.

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