Anatomy of the nose

 

Stability

In the past 20 years the anatomy of the nose and the resulting static pillars were more intensely analysed and increasingly considered when planing for an operation.

The stability of the bony frame is guaranteed by 3 pillars:

  • Laterally by both nasal bones
  • Medialy by the cartilaginous and bony nasal septum

The tip of the nose is stabilised by cartilaginous pillars:

  • the upper lateral cartilage presents the transition from the bony nasal bridge to the cartillaginous tip of the nose
  • the medial (crus mediale) and lateral (crus laterale) legs of the alar cartilage determine the shape of the nasal wings (ala nasi) and the stability of the tip of the nose 

DVT

With the help of a DVT (digital volume tomography, also: cone beam computer tomogrphy, CBTC in short) a diagnostic imaging of the inner anatomy of the nose can be performed. Compared to CT-imaging one achieves a significantly higher imaging resulation with decreased radiation.

The assessment of the nasal septum, the nasal turbinates and the complex structure of the paranasal sinuses is a prerequisite to plan a functional septorhinoplasty.

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