Table 1 Demographic profiles of patients with T4a hypopharyngeal squamous cell carcinoma (n = 93)
Parameter | No of patients (%) |
|---|---|
Age (years) | |
≤ 60 | 65 (69.9) |
> 60 | 28 (30.1) |
Gender | |
Male | 86 (92.5) |
Female | 7 (7.5) |
Primary tumor site | |
Pyriform sinus | 71 (76.3) |
Posterior pharyngeal wall | 14 (15.1) |
Postcricoid region | 8 (8.6) |
N classification | |
N0 | 12 (12.9) |
N1 | 8 (8.6) |
N2a | 2 (2.2) |
N2b | 41 (44.1) |
N2c | 25 (26.9) |
N3 | 5 (5.4) |
Adjuvant therapy | |
Radiation only | 33 (35.5) |
Concurrent chemoradiation | 39 (41.9) |
None | 21 (22.6) |
Margin involvement | |
Yes | 27 (29.0) |
No | 66 (71.0) |
Histologic differentiation | |
Well differentiated | 18 (19.4) |
Moderately differentiated | 56 (60.2) |
Poorly differentiated | 11 (11.8) |
Unknown | 8 (8.6) |
Lymphovascular invasion | |
Yes | 56 (60.2) |
No | 30 (32.3) |
Unknown | 7 (7.5) |
Extracapsular spread | |
Yes | 46 (49.5) |
No | 40 (43.0) |
Unknown | 7 (7.5) |