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Morphometric Analysis of Various Foramen in Relation with Henle's Spine in South Indian Dry Skulls
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| Author:
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MURALIDHARAN.V.A , DINESH PREMAVATHY
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| Abstract:
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The Henle's Spine (HS) or spina suprameatal or spina suprameatica or spinal meatus or meatal spine, can be defined as a small bony prominence, which is anterior to the supramastoid pit at bony external acoustic meatus in the posterosuperior margin . Localization of cranial structures using this anatomical landmark is of immense surgical importance to identify and avoid surgical morbidities. Considering the limited number of research articles describing its anatomy in South Indian skulls, present study was conducted to estimate the location and the difference between the right and left sides of the skull base foramen by using HS as surface landmark, which can act as a guide to various approaches of the skull base surgeries. Cross-sectional observational study. Thirty (60 sides) adult South Indian dry skulls with prominent HS were studied. Following distances on both right and left sides of the skulls were measured from tip of HS to foramen ovale, foramen spinosum, foramen lacerum, jugular foramen, carotid canal using digital calliper of 0.01 mm accuracy. Henle's spine can be used as a reliable surface landmark in skull base surgeries. Prior to surgeries, the possibility of side difference should be kept in mind involving jugular foramen.
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| Keyword:
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Henle's Spine, Suprameatal Spine, Skull Base Approach, Carotid Canal, Foramen Ovale, Jugular Foramen, Surface Landmark.
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| EOI:
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-
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| DOI:
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https://doi.org/10.31838/ijpr/2020.12.03.440
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| Download:
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