SURGICAL ANATOMY OF THE NOSE Why is Anatomy ... - ENT

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SURGICAL ANATOMY OF THE NOSE Why is Anatomy ... - ENT

SURGICAL ANATOMY OF THE

NOSE

MARTIN VANLIERDE

Vincent Pallotti Medical Centre

Milnerton Mediclinic

Groote Schuur Hospital

SURFACE ANATOMY

1 - glabella

2 - nasion

3 - tip-defining tip defining points

4 - alar-sidewall

alar sidewall

5 - supra-alar supra alar crease

6 - philtrum

Lateral View

1 - glabella

2 - nasion, nasion,

nasofrontal angle

3 – rhinion (osseocartilaginous

osseocartilaginous

junction)

4 - supratip

5 - tip-defining tip defining points

6 - infratip lobule

7 - columella

8 - columella-labial columella labial angle or

junction

9 - alar-facial alar facial groove or

junction

Why is Anatomy Important?

• Accurate assessment allows surgeon to

develop rational and realistic plan for

correction

• Recognition of variations in anatomy

important in avoiding complications

BASEof NOSE

1 – infratip lobule

2 - columella

3 – alar sidewall

4 – facet, or soft-tissue soft tissue

triangle

5 - nostril sill

6 - columella-labial columella labial angle

or junction

7 - alar-facial alar facial groove or

junction

8 - tip defining points

Oblique View

1 - glabella

2 - nasion, nasion,

nasofrontal

angle

3 - rhinion

4 - alar sidewall

5 - alar-facial alar facial groove or

junction

6 - supratip

7 - tip-defining tip defining point

8 – philtrum

1


Surgical Anatomy Oblique View

1 - nasal bone

2 - nasion (nasofrontal nasofrontal suture line)

3 - internasal suture line

4 - nasomaxillary suture line

5 - ascending process of maxilla

6 - rhinion (osseocartilaginous

osseocartilaginous

junction)

7 - upper lateral cartilage

8 - caudal edge of upper lateral

cartilage

9 - anterior septal angle

10 - lower lateral cartilage - lateral

crus

11 - medial crural footplate

12 - intermediate crus

13 - sesamoid cartilage

14 - pyriform aperture

Surgical Anatomy- Anatomy Base

1 - tip-defining tip defining point

2 - intermediate crus

3 - medial crus

4 - medial crural footplate

5 - caudal septum

6 - lateral crus

7 - naris

8 - nostril floor

9 - nostril sill

10 - alar lobule

11 - alar-facial alar facial groove or

junction

12 - nasal spine

A: Elevator muscles -

1. Procerus

2. Levator labii alaequae

nasi

3. Anomalous nasi

B: Depressor muscles -

4. Alar nasalis

5. Depressor septi nasi

C: Compressor muscles -

6. Transverse nasalis

7. Compressor narium

minor

D: Minor dilator muscles -

8. Dilator naris anterior

E: Other -

9. Orbicularis oris

10. Corrugator

Musculature

Surgical Anatomy- Anatomy Lateral View

1 - nasal bone

2 - nasion (nasofrontal nasofrontal

suture line)

3 - internasal suture line

4 - nasomaxillary suture

line

5 - ascending process of

maxilla

6 - rhinion

(osseocartilaginous

osseocartilaginous

junction)

7 - upper lateral cartilage

8 - caudal edge of upper

lateral cartilage

9 - anterior septal angle

10 - lower lateral cartilage

lateral crus

11 - medial crural footplate

12 - intermediate crus

13 - sesamoid cartilage

14 - pyriform aperture

Surgical anatomy-Septum

anatomy Septum

1 – quadrangular cartilage

2 – nasal spine

3 – posterior septal angle

4 – middle septal angle

5 – anterior septal angle

6 – vomer

7 – perpendicular plate of

ethmoid bone

8 – maxillary crest,

maxillary component

9 – maxillary crest –

palatine component

Vasculature

1 – dorsal nasal artery

2 – lateral nasal

artery

3 - angular vessels

4 - columellar artery

2

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