Polypes nasaux

Question 1

Nasal polyposis : definition and grades

Answer 1

=> Presence of multiple soft, glossy and rounded formations deriving from the nose mucosa, occupying one or both nasal cavities and one or more sinuses cavities.

Grades :
° 1 : highest part of the nose
° 2 : medium floor
° 3 : entire nasal cavity

Question 2

Pathogenesis and physiopathology

Answer 2

=> follows the release of substances with edemigenic action :

• nasal hyperactivity
• allergy
• drug intolerance : AINS
• fungal, bacterial infection
• genetic conditions

Pathogenesis :

• allergic theory
• infectious theory
• dissoudre of muccocillary clearance
• intolerance to acetyl salisilitic acide (associated with asthma)

Question 3

Clinic and symptoms :

Answer 3

• bilateral nasal obstruction
• hyposmia / anosmia
• mucosal rhinorrhea
• snoring
• craniofacial pain
• dysgeusia

Question 4

Diagnosis et diferencial diagnosis

Answer 4

=> Imaging ++ : nasal fibroscopy

• Radio of the sinuses cavities ++
• TDM
• IRM

Ddg :

• squamous carcinoma
• sarcoma
• angiofibromas
• papilloma
• melanoma