0000000000764588
AUTHOR
G. Hernández
Radiosurgical Treatment of low flow Carotid-Cavernous Fistulae
The good results obtained by stereotactic radiosurgery in arteriovenous malformations has led the authors to expect similar results in low flow carotid-cavernous fistulae. In this paper, 20 cases who underwent radiosurgery with a conventional gamma source are presented. The total dose delivered was 36 to 40 Gy. 90% of the patients were cured after radiosurgery after a mean time of 7 months. Those presenting a mild improvement after a mean time of 2 months and those with a marked improvement after 4 months.
Stereotactic Radiosurgery of Deeply Seated Low Grade Gliomas
The authors report the results of a series of 16 cases of low-grade gliomas in whom radiosurgery was performed. This series started in 1977. All the tumours received a single radiosurgical session (with a mean dose of 21.7 Gy, 5–10mm. collimator; one patient received two sessions and in another patient two different targets were irradiated in the same session). Prior to radiosurgery, six patients received conventional external fractionated radiotherapy, with two lateral fields of up to 10 × 10 cm. and a mean dose of 55.1 Gy. and another six patients with tumours less than 5 cm. in diameter, received stereotactic radiotherapy using four fields of up to 5 × 5 cm. and a mean dose of 53.1 Gy. I…
Stereotactic Radiotherapy plus Radiosurgical Boost in the Treatment of Large Cerebral Arteriovenous Malformations
Small sized AVMs respond well to stereotactic radiosurgery, while larger AVMs do poorly with stereotactic radiosurgery or stereotactic fractionated radiotherapy. A combination of both methods is proposed for the treatment of these larger lesions.
Radiosurgery of Epilepsy
Since 1982 a series of 11 epileptic patients have been treated with stereotactic radiosurgery. Patients were intracranially recorded with cortical and deep electrodes until the location of the epileptogenic focus was determined. A deep electrode was stereotactically placed at this point to confirm the accuracy of the location. All patients received radiosurgery with a gamma source and a dose of 10 to 20 Gy, except two of them in which a betatron was used. The results were: Total disappearance of the crises and withdrawal of medication: 4 cases (36%). More than 80% reduction of crises: 3 cases (27%). More than 50% reduction of crises: 2 cases (18%). Less than 50% reduction of crises: 2 cases…
Radiosurgery of Carotid-Cavernous Fistulae
25 cases of carotid-cavernous fistulae (CCF) who underwent radiosurgery with a conventional gamma source from 1977 to 1992 are reported. 22 were low-flow, spontaneous CCFs and 3 were high flow fistulae which had undergone a previous trApplng. The total dose delivered was 30 to 40 Gy. 91% to patients with low-flow CCF cured after radiosurgery in a mean time of 7.5 months, presenting improvent in a mean time of 2.3 months. Only one of the high-flow fistulae was cured. Follow-up period ranged between 14 years and 15 months (mean: 50 months). No recurrence was recorded in any case. While intravascular embolotherapy is the treatment of choice for high-flow fistulae, stereotactic radiosurgery may…
CCDC 1433632: Experimental Crystal Structure Determination
Related Article: G. Hernández, S. Bernès, O. Portillo, A. Ruíz, G.E. Moreno, R. Gutiérrez|2015|Acta Crystallogr.,Sect.E:Cryst.Commun.|71|1462|doi:10.1107/S2056989015020368
CCDC 1433631: Experimental Crystal Structure Determination
Related Article: G. Hernández, S. Bernès, O. Portillo, A. Ruíz, G.E. Moreno, R. Gutiérrez|2015|Acta Crystallogr.,Sect.E:Cryst.Commun.|71|1462|doi:10.1107/S2056989015020368
CCDC 1433633: Experimental Crystal Structure Determination
Related Article: G. Hernández, S. Bernès, O. Portillo, A. Ruíz, G.E. Moreno, R. Gutiérrez|2015|Acta Crystallogr.,Sect.E:Cryst.Commun.|71|1462|doi:10.1107/S2056989015020368