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Reappraising the neurosurgical significance of the pterion location, morphology, and its relationship to optic canal and sphenoid ridge and neurosurgical implications / 대한해부학회지
Anatomy & Cell Biology ; : 406-413, 2019.
Artículo en Inglés | WPRIM | ID: wpr-782321
ABSTRACT
craniotomy procedures have advanced from conventional craniotomy to mini-craniotomy, and to contemporary keyhole surgery. In this context, it is important for the neurosurgeon to precisely locate the pterion. The distance of the pterion center from midpoint of zygomatic arch and posterolateral margin of frontozygomatic suture was studied bilaterally in 50 whole adult skulls in Indian ethnic group. The depth of optic canal and sphenoid ridge from the pterion was recorded bilaterally in fifty cut adult skulls and fifteen three-dimensional computed tomography scans. The suture length, thickness, and morphology were studied. The data were analyzed using SPSS software, two-tailed Student's t test, binary logistic regression and receiver operating characteristic curve for sexual dimorphism. The pterion center was located at a mean distance of 37.02 mm above the midpoint of zygomatic arch, 28.20 mm behind the posterolateral margin of frontozygomatic suture, 42.73 mm lateral to the optic canal and 10.59 mm from the sphenoid ridge. The location did not exhibit sexual dimorphism. In 20% cases the pterion center was 40 mm or more above the midpoint of the zygomatic arch and in 5% cases 35 mm or more posterior to the posterolateral margin of frontozygomatic suture. The mean suture length was 10±3 mm. The mean thickness at the center of the pterion was 3.52±1.45 mm. The commonest variety was sphenoparietal followed by frontotemporal, epipteric, and stellate types. A thorough knowledge of these dimensions has innumerable neurosurgical implications in resection of sellar, parasellar, and paraclinoid tumors and circulatory aneurysms.
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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Cráneo / Suturas / Cigoma / Neoplasias Encefálicas / Etnicidad / Modelos Logísticos / Curva ROC / Craneotomía / Neurocirujanos / Aneurisma Tipo de estudio: Estudio pronóstico / Factores de riesgo Límite: Adulto / Humanos Idioma: Inglés Revista: Anatomy & Cell Biology Año: 2019 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Cráneo / Suturas / Cigoma / Neoplasias Encefálicas / Etnicidad / Modelos Logísticos / Curva ROC / Craneotomía / Neurocirujanos / Aneurisma Tipo de estudio: Estudio pronóstico / Factores de riesgo Límite: Adulto / Humanos Idioma: Inglés Revista: Anatomy & Cell Biology Año: 2019 Tipo del documento: Artículo