Human Embryology. Figure 8. Telecanthus From EyeWiki. Berlin: Springer-Verlag; However the addition of subciliary incisions is recommended for better access to the infraorbital rim and floor of the orbit. The article will discuss the aetiology, classification, presentation, treatment options, timing of surgery and the choice of surgical procedures. Hypertelorism can occur in a variety of situations such as craniofacial dysplasia, craniofacial clefts and some craniosynostosis syndromes. Figure 11 shows a patient of the craniofacial cleft who has hypertelorism only on his left side.
If the medial orbital rim and its canthal attachment are dislocated, the result.
This 'pseudo-hypertelorism' is now a days referred to as 'telecanthus'. The picture on the right in the middle row shows well healed medialised orbit.
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One, however, needs to differentiate between a true ORH and a pseudo-hypertelorism. Image of a face divided vertically into equal fifths. Tessier distinguished among varying severities of hypertelorism as first degree (30–34 Some believe that a distinction should be made between orbital hypertelorism in which there is true.
Asymmetrical hypertelorism Figure 11 shows a patient of the craniofacial cleft who has hypertelorism only on his left side.
Ocular hypertelorism and pseudohypertelorism. The surgery has become very safe these days as we are able to separate the nasal cavity from the extra-cranial space by interposition of vascularised tissue such fronto-galeal flaps. The picture in lower row on right shows completion of cuts and medialising the two halves of the facial bipartition pictures courtesy Dr.
The splayed bones were contoured with high speed burr. Upper row shows preoperative appearance and the operative plan.
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A case of hypertelorism who underwent orbital translocation using bilateral box osteotomy. We must differentiate between the telecanthus also called pseudo-hypertelorism and a true ORH as the management differs in these two conditions. The patient in Figure 12b had a very severe ORH upper row. Hence, majority of the craniofacial centres would delay the correction of ORH to about years of age. Infrafrontal correction of teleorbitism.
Facial bipartition This 6-year-old patient presented with hypertelorism and broad nasal dorsum with ill-defined tip.
Telecanthus is a condition defined as an increased distance between Tessier distinguished among varying severities of hypertelorism as first.
Telecanthus is an increased distance between the inner canthi. Prenatal sonographic image of a fetus at 20weeks of gestation with Opitz BBB syndrome.
Figure 3 shows illustrative examples of the ORH. The author has devised a technique wherein a two-hole titanium plate is used for this purpose. Moreover, the bone stock may not be very good for holding the osteotomies together with fixation, thereby predisposing to relapse of the deformity.
These patients have increased medial ICD but the position of the bony orbit is normal as can be seen in this patient in Figure 14 upper row. The desired bony resection to be performed is marked on the dorsum of the nose and it removes the excess nasal bone, nasal septum and the enlarged ethmoid sinuses.
Hypertelorism is a term used to describe an abnormally large distance between the eyes. anomalies as hypertelorism an objective definition of telecanthus or epicanthus.
. the two intercanthal distances; and photographic.
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Mukund Jagannathan. The lateral cut can either split the orbital wall sagittal or simply go through the greater wing of sphenoid. On a skull model. This technique employs limited access osteotomy and permits removal of the herniating neural tissue and duraplasty as comfortably as with the regular bifrontal craniotomy technique. Medial canthopexy was also performed.
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|The picture on left shows medially mobilized orbits.
It is well known that the treatment is difficult due to recurrence by loosening of tendon. This article has been cited by other articles in PMC. In both technique some surgeons would always like to leave a frontal bando also known as bar to guide the movement of the orbits. The authors prefer use of a two-hole plate for securing the canthal tendon at the level of the posterior lacrimal crest.
Telecanthus is also known as pseudo-hypertelorism and can be present in cases of nasofrontal meningo-encephaloceles, after trauma or tumours in the naso-orbito-ethmoid region.