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Cir Cir. 2012 Jul-Aug;80(4):333-8.

[Association of three anatomical variants of the anterior cerebral circulation].

[Article in Spanish]

Author information

1
Laboratorio de Anatomía Microquirúrgica del Sistema Nervioso, Departamento de Anatomía, Facultad de Medicina, Universidad Nacional Autónoma de México, UNAM, México, D.F., Mexico. gervith_rs@hotmail.com

Abstract

BACKGROUND:

As part of a study of the microsurgical anatomy of the pericallosal artery, we describe one brain with three unusual anatomical variants.

METHODS:

From the autopsy of a 45 year-old female, we extracted the brain and all the arterial blood vessels were washed off with saline solution to be injected afterwards with red latex. The brain was then immersed in 10% formalin for two months. Finally, we dissected and measured the internal carotid artery segments, using a digital Vernier caliper under a Carl Zeiss OPMI surgical microscope with magnification of 6x up to 40x.

RESULTS:

The brain's weight was 1250 grams and three rare anatomical variants were found: 1) right accessory middle cerebral artery (ACMA-d), 2) right bihemispheric anterior cerebral artery (ACABihem-d), 3) median artery of the corpus callosum (AMCC).

CONCLUSION:

The association of the anatomical variations described previously is inconstant; furthermore, their appearance in a single case is rare.

PMID:
23374380
[Indexed for MEDLINE]

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