By David J. David MBBS, FRACS, David C. Hemmy MD, FACS, Rodney D. Cooter MBBS (auth.)
This ebook has been assembled from the radiographic and photograph picture files of sufferers offering to craniofacial devices on 4 continents over 7 years. it really is our goal to demonstrate quite a lot of craniofacial deformities with the means of three-d com puted tomography. Many issues are in brief addressed with descriptive textual content meant to magnify the accompanying pictures yet to not exclude the necessity for extra entire references as advised within the examining record of every bankruptcy. the power to generate three-d radiographic pictures rep resents a profitable integration of computed tomography with com puter photographs. even if this method continues to be an digital substi tute for the examine of dry cranium specimens, it bargains an enduring pictorial list of anatomical constructions with the chance for fu ture interactive information manipulation. it truly is was hoping, consequently, that this paintings will support others to realize a extra whole figuring out of problems of the craniofacial sector. We inspire different surgeons and investigators to envision and hire the options used to collect those photos but in addition to make sure that standardized scanning regimens are tailored. the significance of knowledge assortment inside of its complete anatomical context used to be borne out with a lot of our early experiences, that have been restricted as a result of computational con straints. usually a picture requirement for surgical intervention is far under a picture priceless for strict medical inquiry.
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Extra info for Craniofacial Deformities: Atlas of Three-Dimensional Reconstruction from Computed Tomography
Scaphocephaly Scaphocephaly is the most common of the calvarial deformities associated with craniosynostosis. The name "boat head" is apt: The skull is long and narrow, like a boat upside down (Figs. 2), and there is often a median ridge that simulates the keel (Fig. 2C). The forehead is usually high and prominent, with well developed frontal bosses (Fig. 1D); the skull slopes back to the occiput, which is prominent in profile (Fig. 2D) and often somewhat wedgeshaped as seen from the vertex view.
E The anterior cranial fossa is distorted, and the cribriform plate is depressed. 60 4. Craniosynostoses B A c Fig. 18. A Pfeiffer syndrome is associated with ocular proptosis and hypertelorism. Temporary tarsorrhaphies serve to maintain the ocular globes within their shallow orbits. Note the turricephaly. B Viewed from above, the ocular proptosis is striking. There are ridges at the sites of the prematurely fused coronal sutures. C Coronal reformat illustrates well the hypoplastic maxilla. D The metopic suture is patent in this Pfeiffer syndrome patient.
D Widening of the cribriform plate and shortening of the anterior cranial fossa and the middle fossa on the affected side are features that are best viewed with the internal base view. Calvarial Deformities 45 B A D C E Fig. 8. A,B Plagiocephaly. There is flattening of the left frontal and right occipital regions. C Plain radiograph demonstrates the harlequin orbit on the left side. D Parallelogram head shape with normal underlying brain is demonstrated in the standard CT axial slice. E The fused coronal suture on the left and the patent suture on the right are associated with shape distortion of the anterior fontanelle.