PATTERNS OF TOBACCO, BETEL NUTS AND SMOKE ABUSE IN RELATION TO MORPHOLOGICAL DIFFERENTIATION OF ORAL AND OROPHARNYGEAL SQUAMOUS CELL CARCINOMAS IN ASSAM
HTML Full TextPATTERNS OF TOBACCO, BETEL NUTS AND SMOKE ABUSE IN RELATION TO MORPHOLOGICAL DIFFERENTIATION OF ORAL AND OROPHARNYGEAL SQUAMOUS CELL CARCINOMAS IN ASSAM
Wasim Akram, Harsha Jyoti Das, Bidit Kumar Gogoi *, Aseema Das and Anupam Gogoi
Department of Pathology, Jorhat Medical College and Hospital, Jorhat, Assam, India.
ABSTRACT: Background: Betel nut and different variants of tobacco and smoking is hazardous causing oral and or pharyngeal squamous cell carcinomas (SCC). In Assam, "Tamol", a raw, unprocessed betel nut is mixed with lime and betel leafis an alarming factor for oral and oropharyngeal SCC. Aim: To assess the patterns of tobacco, betel nuts and smoking causing variations in morphological differentiation of oral and oropharyngeal SCC. Methods: Morphological variations of 40 oral and oropharyngeal SCC’s were studied. A self answered predesigned questionnaire was used regarding the patterns and years of abuse of tobacco, betel nuts and smoking. Results: 90% of cases show tobacco prevalence, 90% show betel nut prevalence in the form of raw betel nut (58.3%), dried betel nut (27.8%) and betel nut in the form of panmasala/gutkha (13.9%). 50 % show smoking prevalence in the form of beed is (80%), cigarettes (10%) and weeds (10%) respectively. Among 22 cases of well differentiated SCC, 86.3%, 90.9% and 36.3% consumed tobacco, betel nuts and smoke respectively for at least 10 years. Among 16 cases of moderately differentiated SCC, 93.7%, 87.5% and 62.5% consumed tobacco, betel nuts and smoke respectively for at least 22 years. Among 02 cases of poorly differentiated SCC, 100% cases consumed tobacco, betel nuts and smoke for at least 42 years. Conclusion: Different patterns of tobacco, betel nut and smoking explain various morphological differentiation of oral and oropharyngeal SCC.
Keywords: Betel nut, Smoking, Tobacco, Oral SCC, Oropharyngeal SCC
INTRODUCTION: Head and neck cancer (HNC) is very common in India, constituting 30% of all the cancers because of the widespread use of tobacco and betel nuts across India. Of the 30%, Oral cavity cancer comprises approximately 58.40% and oropharynx comprises approximately 13.40% respectively.
Squamous cell carcinoma (SCC) makes up around 95% of oral cavity cancers as well as oropharyngeal cancers 1. Etiological factors involve different variants of tobacco and smoking with various forms of betel or areca nuts which are highly associated with oral and oropharyngeal squamous cell carcinomas (SCC) 2.
Various types of betel nut and tobacco in the form of smoking and non-smoking has been incorporated in this study. Most common forms of betel nuts include dried form, raw form, pan masala and package of betel nut in the form of gutkha 3. Similarly, smoking variations include beedis, cigarettes and weeds 3.
The amount of time spent in intake of these abusing substances creates an dangerous impact on health of the individuals. Illiteracy and lack of health awareness provides an additional factor for intake of these carcinogens 3. Also, children from these poor households are frequently employed in tobacco farming to provide family income 3. Therefore, this study has been undertaken to study the pattern of these carcinogens in tumor grading as only a few studies have been done in this population.
Aims and Objectives:
- To study the patterns of usage of tobacco, betel nuts and smoking in relation to morphological differentiation of oral and oropharyngeal SCC.
- To assess the relation between years of intake of these substances and morphological differentiation of oral and oropharyngeal SCC.
MATERIALS AND METHODS:
Study Design: A hospital based cross sectional study. A self-answered question was being used to know the detailed information regarding duration and types/forms of intake of tobacco, betel nuts and smoking. After collection of the data, pattern of these substance abuse was studied in relation to well differentiated squamous cell carcinoma (WDSCC), moderately differentiated squamous cell carcinoma (MDSCC) and poorly differentiated squamous cell carcinoma (PDSCC).
Study Duration: From January 2023 to October 2023
Place of Study: The study was conducted in the Department of Pathology in collaboration with the Department of Otorhinolaryngology, JMCH.
Sample Size: A total of 40 cases were collected for the study.
Study Population: Population residing in Assam.
Inclusion Criteria: All cases of histo-pathologically diagnosed oral and oropharyngeal SCC’s.
Exclusion Criteria: Those who refrained from participation in the self answered question are.
Ethical Clearance: Clearance from the Institutional Ethics Committee of Jorhat Medical College and Hospital was taken for undertaking the study.
IEC approval number –SMEJ/JMCH/MEU/841/Pt-2/2011/960
Impact of the Study: This study has shown that longer the duration of these abusive substances, higher is the grade of the tumour.
RESULTS:
Gender Wise Distribution of OSCC and OPSCC Cases: Total 40 cases were collected, of which 30 were males and 10 were females Table 1 and Fig. 1.
TABLE 1: GENDER WISE DISTRIBUTION OF OSCC AND OPSCC CASES
Gender | OSCC | OPSCC | Total |
Male | 27 | 03 | 30 |
Female | 09 | 01 | 10 |
Total | 36 | 04 | 40 |
FIG. 1: GENDER WISE DISTRIBUTION OF OSCC AND OPSCC CASES
Gender Wise Distribution of Substance Abuse: Consumption of tobacco and betel nut was found to be on a higher side as compared to smoking with male predominance in all three types of abusive Table 2 and Fig. 2.
TABLE 2: GENDER WISE DISTRIBUTION OF SUBSTANCE ABUSE
Substance Abuse | Male | Female | Total | Percentage |
Tobacco | 27 | 09 | 36 | 90 |
Betel Nut | 26 | 10 | 36 | 90 |
Smoking | 16 | 04 | 20 | 50 |
FIG. 2: GENDER WISE DISTRIBUTION OF SUBSTANCE ABUSE
Gender Wise Distribution of Variants of Betel Nuts: Different forms of betel nuts are further classified and their usage among the cases has been calculated Table 3 and Fig. 3.
TABLE 3: GENDER WISE DISTRIBUTION OF VARIANTS OF BETEL NUTS
Betel Nut Variant | Male | Female | Total & Percentage |
Dried Form | 18 | 03 | 21 (58.3 %) |
Raw Form | 04 | 06 | 10 (27.8 %) |
Panmasala | 02 | 00 | 02 (5.5 %) |
Gutkha | 02 | 01 | 03 (8.3 %) |
With Lime | 16 | 07 | 23 (63.9 %) |
Without Lime | 10 | 03 | 13 (36.1%) |
FIG. 3: GENDER WISE DISTRIBUTION OF VARIANTS OF BETEL NUTS
Gender Wise Distribution of Smoking Variants: Majority of cases were beedi smoker and only 50 % cases were smokers out of total 40 Table 4 and Fig. 4.
TABLE 4: GENDER WISE DISTRIBUTION OF SMOKING VARIANTS
Smoking Variants | Male | Female | Total & Percentage |
Beedis | 13 | 03 | 16 (80 %) |
Cigarettes | 01 | 01 | 02 (10%) |
Weeds | 02 | 00 | 02 (10%) |
Total | 16 | 04 | 20 |
FIG. 4: GENDER WISE DISTRIBUTION OF SMOKING VARIANTS
Morphological Differentiation of SCC in Relation to Site: Study reveals that majority of SCC cases involved buccal mucosa followed by tongue. The least common site was found to be lip and alveolar ridges Table 5 and Fig. 5.
TABLE 5: MORPHOLOGICAL DIFFERENTIATION OF SCC IN RELATION TO SITE
Site | WDSCC | MDSCC | PDSCC | Total |
Buccal mucosa | 11 | 07 | 00 | 18 |
Tongue | 06 | 06 | 01 | 13 |
Alveolar Ridges | 03 | 00 | 00 | 03 |
Lip | 02 | 00 | 00 | 02 |
Tonsils | 00 | 03 | 01 | 04 |
Total | 22 | 16 | 02 | 40 |
FIG. 5: MORPHOLOGICAL DIFFERENTIATION OF SCC IN RELATION TO SITE
Morphological Differentiation of SCC in Relation to Age: More than half of the cases were above 60 years of age with minimum cases below 40 years of age Table 6 and Fig. 6.
TABLE 6: MORPHOLOGICAL DIFFERENTIATION OF SCC IN RELATION TO AGE
Age Group | WDSCC | MDSCC | PDSCC | Total |
0-20 | 00 | 00 | 00 | 00 |
21-40 | 03 | 01 | 00 | 04 |
41-60 | 07 | 05 | 00 | 12 |
61-80 | 10 | 08 | 01 | 19 |
81 and Above | 02 | 02 | 01 | 05 |
Total | 22 | 16 | 02 | 40 |
FIG. 6: MORPHOLOGICAL DIFFERENTIATION OF SCC IN RELATION TO AGE
Morphological Differentiation of SCC in Relation to Substance Abuse: Strong correlation between substance abuse and SCC differentiation has been illustrated Table 7 and Fig. 7.
TABLE 7: MORPHOLOGICAL DIFFERENTIATION OF SCC IN RELATION TO SUBSTANCE ABUSE
SCC Differentiation | Tobacco | Betel Nut | Smoking |
WDSCC | 19 (86.3 %) | 20 (90.9 %) | 08 (36.3) |
MDSCC | 15 (93.7%) | 14 (87.5%) | 10 (62.5%) |
PDSCC | 02 (100 %) | 02 (100 %) | 02 (100 %) |
Total | 36 | 36 | 20 |
FIG. 7: MORPHOLOGICAL DIFFERENTIATION OF SCC IN RELATION TO SUBSTANCE ABUSE
Patterns of Substance Abuse in Relation to Grade of SCC: Comparison of different patterns of substance abuse in terms of per day use and years of use with SCC grade has been understood Table 8.
TABLE 8: PATTERNS OF SUBSTANCE ABUSE IN RELATION TO GRADE OF SCC
Number of Cases | Tobacco | Betel Nuts | Smoking | Grade of SCC |
6 | Yes, 2 Times/Day For 10 Years | Yes, 2 Times/Day For 10 Years | No | WDSCC |
3 | No | Yes, 3-4 Times/Day For 12 Years | No | WDSCC |
5 | Yes, 4 Times/Day For 15 Years | Yes, 4 Times/Day For 15 Years | Yes, 5 Times/Day For 15 Years | WDSCC |
3 | Yes, 5 Times/Day For 17 Years | No | Yes, 6 Times/Day For 17 Years | WDSCC |
5 | Yes, 7 Times/Day For 20 Years | Yes. 7 Times/Day For 20 Years | No | WDSCC |
7 | Yes, 4 Times/Day For 22 Years | Yes, 4 Times/Day For 22 Years | Yes, 5 Times/Day For 22 Years | MDSCC |
1 | No | Yes, 4 Times/Day For 25 Years | Yes, 5 Times/Day For 25 Years | MDSCC |
1 | Yes, 5 Times/Day For 26 Years | No | Yes, 6 Times/Day For 26 Years | MDSCC |
1 | Yes, 7 Times/Day For 28 Years | No | Yes, 7 Times/Day For 28 Years | MDSCC |
4 | Yes, 6 Times/Day For 30 Years | Yes, 6 Times/Day For 30 Years | No | MDSCC |
2 | Yes, 6 Times/Day For 34 Years | Yes, 4 Times/Day For 34 Years | No | MDSCC |
1 | Yes, 6 Times/Day For 42 Years | Yes, 6 Times/Day For 42 Years | Yes, 15 Times/Day For 42 Years | PDSCC |
1 | Yes, 8 Times/Day For 48 Years | Yes, 8 Times/Day For 48 Years | Yes, 10 Times/Day For 48 Years | PDSCC |
FIG. 8: SHOWING DIFFERENT TYPES/ VARIANTS OF TOBACCO, BETEL NUT AND SMOKE ABUSE
Photomicrograph:
Well Differentiated SCC: Scanner view and high-power view of microscope showing well formed keratin pearls and tumour cells consistent with well differentiation as squamous cells Fig. 9 and Fig. 10 respectively.
FIG. 9: HPE (4X) SHOWING FEATURES OF WELL DIFFERENTIATED SQUAMOUS CELL CARCINOMA
FIG. 10: HPE (40X) SHOWING FEATURES OF WELL DIFFERENTIATED SQUAMOUS CELL CARCINOMA
Moderately Differentiated SCC: Scanner view and high power view of microscope showing features consistent with SCC with moderate differentiation Fig. 11 and Fig. 12 respectively.
FIG. 11: HPE (4X) SHOWING FEATURES OF MODERATELY DIFFERENTIATED SQUAMOUS CELL CARCINOMA
FIG. 12: HPE (40X) SHOWING FEATURES OF MODERATELY DIFFERENTIATED SQUAMOUS CELL CARCINOMA
Poorly Differentiated SCC: Scanner view and high-power view of microscope showing areas of extensive hemorrhage and necrosis along with poorly differentiated tumor cells consistent with poorly differentiated SCC Fig. 13 and Fig. 14 respectively.
FIG. 13: HPE (4X) SHOWING FEATURES OF POORLY DIFFERENTIATED SQUAMOUS CELL CARCINOMA
FIG. 14: HPE (40X) SHOWING FEATURES OF POORLY DIFFERENTIATED SQUAMOUS CELL CARCINOMA
DISCUSSION: 40 cases were studied of which 90% and 10% cases were OSCC and OPSCC respectively. Among 40 cases, male (75%) was the predominant population. Shashi P Tomar et al. in their study showed male was the predominant population too (59.04%) 3. Present study shows Tobacco and betel nut association was present in (90%) cases as compared to smoking (50%). Shrabani Snigdha et al. through their study shows that tobacco and betel nut chewers were 74% whereas non-chewers were 26% 4. In the present study, Smoking was more common (80%) in males as compared to females (40%). On the other hand, Betel nut consumption was more common (100%) in females as compared to males (86.67%). This is concurrent with the study done by Shashi P Tomar et al. where 5% male smoker was found as compared to 0% female smokers and 37.4% female tobacco chewers were found as compared to 34% male chewers 3.
Dried form of betel nut (58.3%) was the predominant variant overall. Addition was lime with betel nut (63.9%) was found to be highly associated with the causation of SCC’s. Beauty Mahanta et al. in their study found that betel nut in dried form (54.9%) was more common than other forms 5. As per site is concerned, Buccal mucosa was more commonly involved (42.5%) in both WDSCC and MDSCC as compared to tongue (32.5%) in this study. Sudhir M Naik et al. also presented a similar finding in their study which says 65.07% cases of buccal mucosa were found in contrast to 11.1% of tongue cases 6. Most common age group to be involved was 61-80 years followed by 41-60 years. This is concurrent with the study done by Sudhir M Naik et.al which says most common mean age of oral cancer was found to be 61.67 years 6.
In the present study the average frequency of using tobacco and betel nuts was found to be 6 times per day which is concurrent with the study done by Madhusmita Panda et al. in 2020 which showed the average frequency of using these substances was 5 times per day 7.
CONCLUSION: The situation of substance abuse has gradually increased day by day due to the easy availability and cheapness of these products. There could be two ways to control it; one can be by restricting the sale of the products, other can be by creating health awareness about its dangerous effects on the health. In Assam, people are very much addicted to tobacco and betel nuts, so there is need to conduct effective interventions to control these carcinogens. Failure to do so can lead to continuous increase in cases of squamous cell carcinomas. With further implementation of educational institutions in tea tribes along with attention of parents, community, mass media including social media, a majority of population can be made aware of hazardous effects. Human papilloma virus testing after diagnosis of SCC would help in further management as it is another major etiological factor for SCC.
ACKNOWLEDGEMENT: The support from the department of Otorhinolaryngology, Jorhat Medical College, Assam is gratefully acknowledged.
CONFLICTS OF INTEREST: Nil
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How to cite this article:
Akram W, Das HJ, Gogoi BK, Das A and Gogoi A: Patterns of tobacco, betel nuts and smoke abuse in relation to morphological differentiation of oral and oropharnygeal squamous cell carcinomas in Assam. Int J Pharm Sci & Res 2024; 15(2): 605-13. doi: 10.13040/IJPSR.0975-8232.15(2).605-13.
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IJPSR
Wasim Akram, Harsha Jyoti Das, Bidit Kumar Gogoi *, Aseema Das and Anupam Gogoi
Department of Pathology, Jorhat Medical College and Hospital, Jorhat, Assam, India.
bkgaxom@gmail.com
30 December 2023
30 January 2024
31 January 2024
10.13040/IJPSR.0975-8232.15(2).605-13
01 February 2024