Triangular face

A triangular face, in the simplest sense, is a face whose lower half becomes relatively thin, approaching an appearance of a triangle with a tip facing downwards. It is not necessarily caused by any disease, but is common in individuals with osteogenesis imperfecta.[1]

In a broader sense, triangular face encompasses a constellation of a hypoplastic face with prominent zygomatic arches, orbital hypertelorism, sunken cheeks, down-turned mouth, and occasionally brownish facial discolouration.[2] This constellation is characteristic of Mulibrey nanism, but has also been described in Russell-Silver syndrome and Turner syndrome.[2]

References

  1. ↑ Page 82 in: Elizabeth D Agabegi; Agabegi, Steven S. (2008). Step-Up to Medicine (Step-Up Series). Hagerstwon, MD: Lippincott Williams & Wilkins. ISBN 0-7817-7153-6.
  2. 1 2 TheFreeDictionary.com > Triangular Face citing: Segen's Medical Dictionary. Copyright 2011
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