DIAMETROS DE LAS ARTERIAS CEREBELAR SUPERIOR Y CEREBELAR ANTERIOR-INFERIOR EN EL SEGMENTO PONTINO-ANTERIOR
At present, the clinical specialized literature, insist in the necessity of an anatomical precise knowledge, necessary for the success in neurochirurgical interventions during the approaching to the posterior cranial fossa. Based in previous reports, we have made an anatomical revision of the superi...
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| Autores principales: | , , , |
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| Lenguaje: | Spanish / Castilian |
| Publicado: |
Sociedad Chilena de Anatomía
1998
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| Materias: | |
| Acceso en línea: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-98681998000100004 |
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| Sumario: | At present, the clinical specialized literature, insist in the necessity of an anatomical precise knowledge, necessary for the success in neurochirurgical interventions during the approaching to the posterior cranial fossa. Based in previous reports, we have made an anatomical revision of the superior cerebellar artery and anterior inferior cerebellar artery focused to its anterior pontine segments with data that may contribute to their study and that they could be of practical useful. This study was done in 70 brains of brazilian adult cadavers, from both sexes, collected at the Anatomy Laboratory São Paulo Medical School / UNIFESP (São Paulo, Brazil), and to which them, we registred their anthropological data. It was considered the cephalics measurements too. We took the brains from skulls, using established anatomical techniques and inyected its vascular system with red collored neopren latex and fixed into a 10 % formaldehyde solution. At right side, masculine sex, the external diameter of superior cerebellar artery was 2.0 to 2.9 mm in range in 66.7% of the cases, and in the feminine sex in 82.1%; in 75.0% in dolicho-mesocephalics and 71.1% in the brachycephalics. The anterior inferior cerebellar artery external diameter at right side, masculine sex, this range of 1.0 to 1.5 mm was observed in 50% of the cases, the same porcentagem was registred in the feminine sex; in 53.1% in the dolicho-mesocephalicsand; in 47.4% in the brachycephalics. The authors insists in the variability observed in the patterns, upon taking in consideration, besides the side and sex, other parameters suchs as the cephalic index, that they are important in the face of the evident heterogeneity of our indoamerican populations |
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