A case‐control investigation of cancer of the oral tongue and the floor of the mouth in Southern India

Sankaranarayanan, Rengaswamy; Duffy, Stephen W.; Day, Nicholas E.; Nair, Manjusha; Padmakumary, G.

doi:10.1002/ijc.2910440410

Cited by 101 publications

(98 citation statements)

References 10 publications

(6 reference statements)

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“…It is further confirmed by multivariate analysis, which shows that education, particularly low education, occupation, agriculture and blue collar and low monthly household income were the significant independent risk factors. These findings are consistent with the similar studies done in the other parts of India by Chattopadhyay (1989); Sankaranarayanan et al (1989) and Rao et al (1994) reported earlier.…”

Section: Discussionsupporting

confidence: 93%

Socio-Demographic Factors Related to Oral Cancer

Madani¹

2010

Journal of Social Sciences

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Problem statement:The aim of this study was to identify factors related to cancer of oral cavity considering individual socio-demographic characteristics of a hospital based study in Pune. Approach: A case-control study was conducted. The cases were 350 with squamous-cell carcinoma of oral cavity diagnosed between 2005 and 2006 in Morbai, Narandia, Budharani Cancer Institute, Pune, India. Similar number of controls matched for age and sex selected from the background population. Cases and controls were interviewed for general characteristics; age, gender, education and possible socio-demographic factors. Results: Chi-square test in uni-variate analysis and estimate for risk showed that education, occupation and monthly household income were significantly different between cases and controls (p<0.001). Irrespective to gender, relative risk, here Odds Ratio (OR) of low level of education (OR = 5.3, CI 3.7-7.6), working in field as an agriculture (OR = 2.5, CI 1.7-3.7) and monthly household income less than 5000 Indian Rupees currency (OR = 1.7, CI 1.2-2.3) were significant risk factors for oral cancer. While, there was no significant relationship between religious and or marital status either in males or females. Conclusion/Recommendations: Socio-demographic factors such as education, occupation and income do play an important role in development oral cancer.

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Section: Discussionsupporting

confidence: 93%

Socio-Demographic Factors Related to Oral Cancer

Madani¹

2010

Journal of Social Sciences

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“…Tobacco chewing and smoking have been identified as the major risk factors for these cancers in India. 15,[17][18][19] Cancers of the oral cavity occupy the second-highest position among males in Kolkata. The prevalent chewing habits involve use of betel quid (betel leaf with tobacco, areca nut, lime), gutkha (dried mixture of betel quid and tobacco sold in attractive pouches), mawa and zarda (flavoured tobacco) or khaini (crude form of dried ground tobacco with lime).…”

Section: Discussionmentioning

confidence: 99%

Cancer patterns in eastern India: The first report of the Kolkata cancer registry

Sen

Sankaranarayanan

Mandal

et al. 2002

Intl Journal of Cancer

132

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There are no population-based data available for the cancer patterns in Eastern India. This is the first report of cancer incidence in the region from the population-based cancer registry in Kolkata (Calcutta), the capital city of the state of West Bengal, India, for the period 1998 -1999. The cancer registry collects data on all new cases of cancer diagnosed in the resident population of Kolkata. Since cancer is not a notifiable disease in India, registration is carried out by active data collection by the registry staff. The cancer registry staff visits 50 data sources comprising cancer hospitals, secondary and tertiary care hospitals, nursing homes, diagnostic laboratories and death registration offices; scrutinizes medical records and collects details on incident cancer cases. A customized version of CanReg-3 software was used for data entry and analysis. A total of 11,700 cases were registered during the 2-year period from 1 January 1998 to 31 December 1999. The overall age-adjusted (world population) incidence rates were 102.1 per 100,000 males and 114.6 per 100,000 females. The most frequently reported malignancies in males were lung cancer (16.3%), followed by cancers of the oral cavity (7.1%), pharynx (5.7%) and larynx (5.7%). In females, the most frequently reported malignancies were breast (22.7%) followed by uterine cervix (17.5%), gallbladder (6.4%) and ovary (5.8%). The data reported by the Kolkata cancer registry provide information on the cancer profile in Eastern India for the first time. The highest incidence rate of lung cancer in males in India is reported from Calcutta. A high risk of gallbladder cancer is observed in women. The observed cancer patterns indicate that tobacco-control measures and early detection of head and neck, breast and cervical cancers are of importance for cancer control in this population.

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“…Although alcohol can be considered an independent risk factor, fifteen cases reported to be regular alcohol drinkers, while ten cases were occasional drinkers. Some studies have reported a higher prevalence of OL among alcohol users in each age group, as well as in each tobacco habit category (15,19), but alcohol consumption showed no independent association with OL in other research publications (4,10). The susceptible age for leukoplakia lesions ranged from 40 to 70 years in a study from the Netherlands.…”

Section: Discussionmentioning

confidence: 89%

“…Although alcohol is a risk factor for oral cancer, (19) it is not an established risk factor for OL (4,10). The clinical records used for patient characterization in the current study did not contain consistent information on alcohol use; thus, we were unable to evaluate the possible importance of this factor for our patients.…”

Section: Discussionmentioning

confidence: 91%

Assessment of Clinical Risk Factors of Oral Leukoplakia in UP Population of India: An Institutional Study

2014

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Leukoplakia is the most common potentially malignant lesion of the oral mucosa. Studies on the risk factors of oral leukoplakia (OL) are relatively scarce. The present study was planned to assess the clinical risk factors of OL in our institution, which represents a sample of the Western UP population, based on the clinical status of OL patients spanning a period of eight years. The clinical and pathological data (age, sex, lesion location and presence/ absence of dysplasia) were analyzed in these patients. Possible relationships between habitual tobacco use and lesion location were explored. The data obtained showed that habitual bidi smoking was prevalent among elderly males, while buccal mucosa was the most affected site by this lesion. Applying the Z-test for double sample proportions, a significant difference was observed for the buccal mucosa, labial mucosa, tongue and habitual smoking (1% level of significance, p<0.01) between the two age groups. A significant difference was observed between habitual tobacco use and various degrees of dysplasia (Fisherʼs exact test=0.00008, p<0.05). The present study underlines the role of habitual tobacco use in the etiology of OL in the Western UP population of India. Rigorous anti-smoking measures need to be taken in this region in order to prevent transformation into oral cancer.

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A case‐control investigation of cancer of the oral tongue and the floor of the mouth in Southern India

Cited by 101 publications

References 10 publications

Socio-Demographic Factors Related to Oral Cancer

Socio-Demographic Factors Related to Oral Cancer

Cancer patterns in eastern India: The first report of the Kolkata cancer registry

Assessment of Clinical Risk Factors of Oral Leukoplakia in UP Population of India: An Institutional Study

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