case_images: PMC9443590_01
case_images: Clinical signs of Treacher Collins' syndrome.
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case_images: PMC9443590_01_gr1.jpg
case_images: fig1
case_images: She presented with antimongoloid slanting of the palpebral fissures, malar hypoplasia of the zygomatic arch, mandibular hypoplasia, bilateral coloboma of the lower eyelids and malformations of auricular pinna (Figure 1, Figure 2). She also had communication deficit and standard school performance.
case_images: Clinical signs of Treacher Collins' syndrome (profile).
case_images: gr2.jpg
case_images: PMC9443590_01_gr2.jpg
case_images: fig2
case_images: She presented with antimongoloid slanting of the palpebral fissures, malar hypoplasia of the zygomatic arch, mandibular hypoplasia, bilateral coloboma of the lower eyelids and malformations of auricular pinna (Figure 1, Figure 2). She also had communication deficit and standard school performance.
case_images: CT scan showing choanal atresia (predominance of bone tissue on the right lamina) -axial section.
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case_images: PMC9443590_01_gr3.jpg
case_images: fig3
case_images: Computed tomography of rhinopharynx showed bilateral choanal obstruction, in which bone tissue constituted the right layer and membranous tissue formed the left layer (Figure 3, Figure 4).
case_images: CT scan showing choanal atresia (predominance of bone tissue on the left lamina) -axial section.
case_images: gr4.jpg
case_images: PMC9443590_01_gr4.jpg
case_images: fig4
case_images: Computed tomography of rhinopharynx showed bilateral choanal obstruction, in which bone tissue constituted the right layer and membranous tissue formed the left layer (Figure 3, Figure 4).
case_images: Results post-advanced mentoplasty.
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case_images: PMC9443590_01_gr5.jpg
case_images: fig5
case_images: To that end, she underwent advanced mentoplasty, which was performed by the service's orthognathic surgical team, as well as uvulopalatoplasty carried by the otorhinolaryngology team (Figure 5).