World Journal of Oncology, ISSN 1920-4531 print, 1920-454X online, Open Access
Article copyright, the authors; Journal compilation copyright, World J Oncol and Elmer Press Inc
Journal website http://www.wjon.org

Original Article

Volume 9, Number 3, June 2018, pages 80-84


Major Risk Factors in Head and Neck Cancer: A Retrospective Analysis of 12-Year Experiences

Figure

Figure 1.
Figure 1. Relationship between “smokers”, “alcoholics”, “alcoholics and smokers” and “total HNC patients” represented through Venn diagram.

Tables

Table 1. Clinical Presentation of HNC Patients (n = 9,950)
 
Sr. no.Clinical presentationTotal number of patients (n = 9,950)Percentage of patients (%)
1Bleeding from mouth630.63
2Hoarseness of voice9449.48
3Dysphagia3,65536.7
4Odynophagia1,87618.9
5Ulcerative growth in mouth5855.87
6Throat pain3433.44
7Neck/cervical swelling1,84318.5
8Dyspnea1601.60
9Trismus1851.85
10Headache/earache2322.33
11Nasal obstruction/discharge640.64

 

Table 2. Age-Wise Distribution of HNC Patients (n = 9,950)
 
Age groups (years)Number of HNC patientsPercentage of patients (%)
< 20400.4
21 - 302412.4
31 - 401,12711.3
41 - 502,78327.9
51 - 603,09131
61 - 702,05520.6
> 706136.2

 

Table 3. Stage-Wise Distribution of HNC Patients (n = 9,950)
 
Stage-wise distributionNumber of HNC patientsPercentage of patients (%)
Stage I1801.8
Stage II5915.9
Stage III2,84428.6
Stage IV6,33563.7

 

Table 4. Smoker and Alcoholic Population With Different HNC Subtypes (n = 9,950)
 
Sr. no.HNC subtypeNumber of smokers (n, %)Patient with NED status at last follow-up (smoker group)Number of alcoholics (n, %)Patient with NED status at last follow-up (alcoholic group)
1.Oral Cavity (lower lip, tongue, floor of mouth, gingiva, palate, retromolar trigone, upper lip and buccal mucosa)937 (10.6%)151762 (7.6%)101
2.Oropharynx(Soft palate and lateral, posterior pharyngeal wall except base tongue and tonsil)263 (2.96%)4192 (0.9%)8
Base tongue3,454 (39%)4692,302 (23%)313
Tonsil1,629 (18.4%)2791,075 (11%)163
3.Nasopharynx55 (0.62%)833 (0.3%)5
4.HypopharynxPost-cricoid445 (5.0%)64251 (2.5%)43
Pyriform fossa312 (35.2%)59226 (2.3%)33
5.LarynxSupraglottic947 (10.7%)269907 (9%)197
AE fold81 (0.9%2823 (0.2%)9
Epiglottis287 (3.2%)4358 (0.6%)17
Vocal cord947 (10.7%)26931 (0.3%)11
6.Sinonasal (maxilla, nasal cavity)115 (1.2%)1151 (0.5%)4
7.Salivary gland80 (0.9%)1443 (0.4%)6
8.EAC12 (1.13%)17 (0.1%)0
Total alcoholic patients (out of total HNC patients, n = 9,950)8,859 (89%)1,7065,861 (59%)910