Table 4 First echelon nodal volumes treated and the techniques used.
From: Efficacy of elective nodal irradiation in skin squamous cell carcinoma of the face, ears, and scalp
Nodal Area (%) | Most Common First Echelon Nodal Area Treated (%) | Most Common Radiation Technique Used (%) | 2nd Most Common Radiation Technique Used (%) | 3rd Most Common Radiation Technique Used (%) |
|---|---|---|---|---|
Ear Pinna (13) | Parotid (100) | Photons (44) | Electrons (22) | Mixed (22) |
Lateral Cheek (11) | Parotid (100) | Photons (38) | Mixed (38) | Electrons (13) |
Medial Cheek (10) | Parotid (100) | Photons (29) | Electrons (29) | Mixed (29) |
Temple (11) | Parotid (100) | Electrons (75) | Mixed (13) | Photons (13) |
Nose (10) | Facial (71) | Orthovoltage (60) | Photons (40) | NA |
External Auditory Canal (9) | Parotid (100) | Photons (67) | Electrons (17) | Mixed (17) |
Forehead (9) | Parotid (83) | Electrons (100) | Â | Â |
Post-auricular (7) | Retro-auricular (100) | Photons (40) | Orthovoltage (40) | Mixed (20) |
Posterior Scalp (7) | Occipital (80) | Photons (50) | Mixed (50) | NA |
| Â | Post-auricular (80) | Mixed (50) | Electrons (25) | Photons (25) |
Anterior Scalp (5) | Parotid (75) | Electrons (100) | NA | NA |
Upper lip vermillion (4) | Bilateral Cervical (66) | Photons (100) | NA | NA |
Upper lip skin (3) | Facial (100) | Photons (50) | Orthovoltage (50) | Â |
Lower lip skin (1) | Ipsilateral Cervical (100) | Photons (100) | NA | NA |