Not a feature of Treacher-Collins syndrome:: (A) Deafness, (B) Colobomas of lower eyelid, (C) Hypoplasia of zygomatic bone, (D) Mongoloid slant of palpable fissure
Answer is D. Ans. D. Mongoloid slant of palpable fissureMandibulofacial dysostosis is also known as Franceschetti-Klein syndrome or Treacher-Collins syndrome.Important features are as under:MicrognathiaColobomas of lower eyelidSunken cheek bonesBlind fistulas between the angles of mouth and earsDeformed pinnasAtypical hair growth extending towards cheekReceding chinLarge mouthFacial cleftsDeafnessAnti-mongoloid palpable fissureHypoplasia of mid face and zygomatic bone