Paranasal sinus tumour

Revision as of 10:50, 24 November 2023 by Nikolas (talk | contribs) (Created page with "* Diagnosis ** Histology ** CT to determine extent * Benign ** Clinical features *** Nasal airway obstruction **** Sinusitis *** Headache *** Epistaxis *** Anosmia ** Inverted papilloma *** Epithelial tumor *** Endophytic growth *** Locally aggressive *** Can transform into SCC *** Surgical removal ** Fungiform papilloma *** Exophytic growth ** Osteoma *** Asymptomatic until they obstruct drainage of paranasal sinuses *** Surgical removal when it becomes symptomatic * Ma...")

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Diagnosis
- Histology
- CT to determine extent
Benign
- Clinical features
  - Nasal airway obstruction
    - Sinusitis
  - Headache
  - Epistaxis
  - Anosmia
- Inverted papilloma
  - Epithelial tumor
  - Endophytic growth
  - Locally aggressive
  - Can transform into SCC
  - Surgical removal
- Fungiform papilloma
  - Exophytic growth
- Osteoma
  - Asymptomatic until they obstruct drainage of paranasal sinuses
  - Surgical removal when it becomes symptomatic
Malignant
- More common than benign
- 80% are epithelial
- 20% adenocarcinoma, lymphoma, melanoma, sarcoma
- Nasal cavity > maxillary sinus > ethmoid cells
- Older adults
- Clinical features
  - Nasal airway obstruction
  - Bloody rhinorrhoea
  - Nasal odour
  - Refractory unilateral sinusitis
  - Advanced
    - Swelling
    - Pain
    - Numbness of cheek
    - Orbital infiltration
- Diagnosis
  - Endoscopy
  - Search for lymph node metastases
  - CT/MRi
- Treatment
  - Surgery and postoperative radiation
  - Facial reconstruction
  - Neck dissection if metastases (only 20% of cases)

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