Three-dimensional imaging of the petrous bone for the middle fossa approach to the internal acoustic meatus: an experimental study

Page, C.; Taha, F.; Gars, Le D.

doi:10.1007/s00276-002-0066-x

Cited by 5 publications

(4 citation statements)

References 10 publications

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“…These imaging techniques also facilitate to compute three-dimensional reconstructions and to analyze chosen objects, including bone structures [ 7 ]. Thus, innovative possibilities for 3-D reconstruction and volume calculation become an increasingly common approach in anatomy, clinical radiology [ 19 , 21 , 23 , 36 ] and forensic medicine [ 19 ]. In the present study we used CT scans stored in DICOM formats that were further subjected to digital image analysis.…”

Section: Discussionmentioning

confidence: 99%

Morphometric study of the two fused primary ossification centers of the clavicle in the human fetus

et al. 2016

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PurposesA satisfactory understanding of the clavicle development may be contributing to both the diagnosis of its congenital defects and prevention of perinatal damage to the shoulder girdle. This study was carried out to examine the transverse and sagittal diameters, cross-sectional area and volume of the two fused primary ossification centers of the clavicle.MethodsUsing the methods of CT, digital-image analysis and statistics, the size for two fused primary ossification centers of the clavicle in 42 spontaneously aborted human fetuses at ages of 18–30 weeks was studied.ResultsWithout any male–female and right-left significant differences, the best fit growth models for two fused primary ossification centers of the clavicle were as follows: y = −31.373 + 15.243 × ln(age) ± 1.424 (R2 = 0.74) for transverse diameter, y = −7.945 + 3.225 × ln(age) ± 0.262 (R2 = 0.78), y = −4.503 + 2.007 × ln(age) ± 0.218 (R2 = 0.68), and y = −4.860 + 2.117 × ln(age) ± 0.200 (R2 = 0.73) for sagittal diameters of the lateral, middle and medial ends respectively, y = −31.390 + 2.432 × age ± 4.599 (R2 = 0.78) for cross-sectional area, and y = 28.161 + 0.00017 × (age)4 ± 15.357 (R2 = 0.83) for volume.ConclusionsWith no sex and laterality differences, the fused primary ossification centers of the clavicle grow logarithmically in both transverse and sagittal diameters, linearly in cross-sectional area, and fourth-degree polynomially in volume. Our normative quantitative findings may be conducive in monitoring normal fetal growth and screening for inherited faults and anomalies of the clavicle in European human fetuses.

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Section: Discussionmentioning

confidence: 99%

Morphometric study of the two fused primary ossification centers of the clavicle in the human fetus

et al. 2016

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“…Calculation of bone superficies on CT is an easy and fast procedure that can help the surgeon in preoperative planning. Additionally, more sophisticated three-dimensional images [29][30][31] and image-guided intraoperative navigation [32][33][34] provide valuable technical adjuncts to provide more detailed information and intraoperative real-time feedback. These adjuncts might be particularly helpful in female patients because of the more limited surgical corridor through the temporal bone.…”

Section: Morphometric Analysismentioning

confidence: 99%

The Middle Cranial Fossa: Morphometric Study and Surgical Considerations

2007

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The anatomical features of the temporal bone can vary significantly among different individuals. These variations affect the operative view in middle cranial fossa surgery. We performed 18 middle fossa approaches in 9 cadaveric heads, with detailed morphological analysis, to identify unfavorable situations and reliable systems to avoid complications during surgery. We recorded linear, angular measurements and calculated areas. We performed a computed tomography (CT) scan with analysis of the amount of bone to remove in two temporal bones. We found that the location of the internal auditory canal (IAC) is the keystone of bone removal. We also found accuracy in the system suggested by E. and J. L. GarciaIbanez for its identification and that there is a smaller surgical window in female patients (statistically significant) that can be predicted on preoperative imaging studies. Our study also confirms significant individual variability in the mutual relationships of different surgical landmarks. We concluded that surgery of the middle fossa requires detailed understanding of the complex temporal bone anatomy. The surgeon has to be aware of extreme variability of the more commonly used anatomical landmarks. The method to identify the position of the IAC described by E. and J. L. Garcia-Ibanez seems to be the simplest and most reliable. When the surgical strategy includes an anterior petrosectomy, interindividual variability can critically affect the working area, particularly in females. The working area can be estimated on preoperative CT scans through the petrous bone.

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“…In 2001, Zieliński and Słoniewski ( 1 ) created a virtual, 3D computer model of the petrous bone based on 1-mm tomographic X-ray slices. One year later Page et al ( 13 ) highlighted the feasibility of creating 3D images of the petrous bone from a routine CT examination. Bernardo et al ( 14 ) designed a 3D surgical simulator known as interactive virtual dissection, which allowed the user to drill progressively deeper into the petrous bone and to identify crucial structures.…”

Section: Discussionmentioning

confidence: 99%

Accuracy of computer-aided geometric three-dimensional reconstruction of the human petrous bone based on serial unstained celloidin sections

Wei¹,

Zhang²,

Yuan³

et al. 2015

Experimental and Therapeutic Medicine

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The aim of this study was to present a comprehensive three-dimensional (3D) morphology of the petrous bone with computer image-processing technology, which could be beneficial for the teaching of anatomy and for surgical procedures. The unstained celloidin sections of human temporal bone were digitized with high resolution and quality, and then processed with Amira® software to include alignment, segmentation and reconstruction. The integral structure of the human inner ear was presented with computer modeling, including the petrous bone, bone labyrinth, internal carotid artery canal, internal jugular vein canal, sigmoid sinus, inferior petrosal sinus, glossopharyngeal meatus, vagal meatus, internal acoustic meatus, facial nerve canal, greater superficial petrosal nerve, vestibular aqueduct, extraosseous portion of the endolymphatic sac, round and oval window, processus cochleariformis and pyramidal eminence. The 3D model showed detailed structure of the external and internal petrous bone, as well as their spatial relationship. The present study suggests the feasibility of comprehensive 3D reconstruction of the petrous bone using unstained celloidin sections, which may provide advantages for future study.

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Three-dimensional imaging of the petrous bone for the middle fossa approach to the internal acoustic meatus: an experimental study

Cited by 5 publications

References 10 publications

Morphometric study of the two fused primary ossification centers of the clavicle in the human fetus

Morphometric study of the two fused primary ossification centers of the clavicle in the human fetus

The Middle Cranial Fossa: Morphometric Study and Surgical Considerations

Accuracy of computer-aided geometric three-dimensional reconstruction of the human petrous bone based on serial unstained celloidin sections

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