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1

The origin and relations of the anterior choroidal artery: an anatomical study

100%
Uz A., Erbil K. M., Esmer A. F.
Folia Morphologica
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2005
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tom 64
|
nr 4
269-272
There has recently been an increase in surgical interventions to the inferior temporal lobe. The aim of the present study is to examine the anatomical structure and relations of the anterior choroidal artery, which extends to this region. A mixture of latex and ink was injected into the internal carotid and basilar arteries of 15 brains from fresh cadavers. In 18 out of 30 cases (60%) the anterior choroidal artery arose from the posteroinferior aspect of the internal carotid artery, in 8 (22.2%) from the posterolateral aspect and in 4 (2%) from its anterior part. The diameter of the anterior choroidal artery was 0.94 mm on average (0.7–1.2) and the average distance from the posterior communicating artery was 5.3 mm (3.8–8 mm); its distance to the bifurcation of the carotid was found to be 4.0 mm on average (2.2–8 mm). The cisternal segment of the anterior choroidal artery and the optic tract formed a neurovascular bundle. The branches arising from the plexal segment supply the lateral geniculate body, the thalamus and the optic tract. The resulting knowledge of the neurovascular relations of the anterior choroidal artery provides a safe surgical approach to the inferior temporal lobe.
2

Neurovascular relationship between abducens nerve and anterior inferior cerebellar artery

76%
Esmer A. F., Sen T., Bilecenoglu B., Tuccar E., Uz A., Karahan S. T.
Folia Morphologica
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2010
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tom 69
|
nr 4
We aimed to study the neurovascular relationships between the anterior inferior cerebellar artery (AICA) and the abducens nerve to help determine the pathogenesis of abducens nerve palsy which can be caused by arterial compression. Twenty-two cadaveric brains (44 hemispheres) were investigated after injected of coloured latex in to the arterial system. The anterior inferior cerebellar artery originated as a single branch in 75%, duplicate in 22.7%, and triplicate in 2.3% of the hemispheres. Abducens nerves were located between the AICAs in all hemispheres when the AICA duplicated or triplicated. Additionally, we noted that the AICA or its main branches pierced the abducens nerve in five hemispheres (11.4%). The anatomy of the AICA and its relationship with the abducens nerve is very important for diagnosis and treatment. (Folia Morphol 2010; 69, 4: 201–203)
3

Lateral approach to the ankle and distal leg

76%
Sen T., Basaarir K., Esmer A. F., Armangil M., Tuccar E., Karahan S. T.
Folia Morphologica
|
2011
|
tom 70
|
nr 2
Fractures of the distal tibia are usually high-energy injuries and are well known for their soft tissue complications after surgery. Various factors have been studied regarding the possibility of them reducing the incidence of such damage, including timing of surgery, staged surgery, fixation method, and surgical approach. Less invasive surgical techniques with vascularity preserving approaches were proposed as reasonable solutions to this problem. The aim of this study was to investigate the presence of minor vascular structures, which can be preserved during anterolateral approach, possibly contributing to the success of the approach. Lateral approach for the distal tibia was performed in 22 cadaver feet. The mean distance between the lateral malleolus and the superficial peroneal nerve was 12.2 cm. Two different vascular pedicles, from peroneal vessels to muscles of the anterior compartment, were 4.3 and 8.2 cm away from the lateral malleolus, respectively. We conclude that preserving greater vascularity was possible in the lateral approach for the distal tibia, placing the plate in a completely submuscular plane. (Folia Morphol 2011; 70, 2: 91–94)
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