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Table 2 Treatment details

From: Definitive and adjuvant radiotherapy for sinonasal squamous cell carcinomas: a single institutional experience

  Number (n) (n = 43 unless stated otherwise) Percentage (%)
Surgery n = 25 58
 Open 23 92
 Endoscopy 2 8
 Unilateral neck dissection 12 48
 Bilateral neck dissection 2 8
Margin status n = 25  
 Positive 13 52
 Close (<5 mm) 5 20
 Negative (≥5 mm) 6 24
 Unknown 1  4
Perineural invasion n = 25  
 Yes 5 20
 No 10 40
 Not reported 10  40
Lymphovascular invasion n = 25  
 Yes 1 4
 No 13 52
 Not reported 11  44
Radiotherapy
 Electron 3 7
 3DCRT 36 84
 IMRT 4 9
Radiotherapy
 Adjuvant 25 58
 Radical 18 42
Radiotherapy dose   
Radical
  70 Gy/35 fx 5 12
  68 Gy/34 fx 1 2
  66 Gy/33 fx 2 5
  55 Gy/20 fx 10 23
Adjuvant
  66 Gy/33 fx 8 19
  64 Gy/32 fx 3 7
  62 Gy/31 fx 1 2
  60Gy/ 30 fx 7 16
  55 Gy/20 fx 6 14
Radiotherapy region
 Primary 40 93
 Primary and ipsilateral neck 3 7
 Primary and bilateral neck 0 0
Chemotherapy
 Induction 3 7
 Concurrent 3 7