title: An epidemiological survey in hospital setup in Lucknow district: A cross-sectional study.
abstract: BACKGROUND
  Oral cancer is the sixth most common form of cancer reported globally which includes lip, tongue, mouth, and throat. Developing countries face several challenges to identify and remove potential risk factors. Chewing tobacco/pan masala is considered to be the most potential risk factor for oral precancerous lesions and oral cancer.
  
  
  OBJECTIVE
  To study the clinical-epidemiological profile of oral cancer cases and potential risk factor associated with it.
  
  
  METHODS
  This is cross-sectional study which includes all major tertiary hospital in Lucknow district. Five hundred and eight cases of oral cancer reported in all major tertiary hospitals in Lucknow district during 2013-2016.
  Clinicoepidemiological characteristics of oral cancer cases.
  
  
  METHODS
  percentages, proportions.
  
  
  RESULTS
  Out of 508 cases, majority of the subjects included in the study belonged to 18-75 years age group. Reported cases of oral cancer in males were higher as compared to females. Most of the subjects belonged to lower middle and upper lower socioeconomic group. It was found that 199 (39.2%) subjects consumed smokeless tobacco. Buccal mucosa was the common site of oral cancer being present in 50.4% of the subjects. Histopathologically, 256 cases of buccal mucosa, 17 cases of lip, 33 cases of alveolar region, 16 cases of mandible region, 156 cases of tongue region, 7 cases of gingival buccal sulcus region, and 23 cases of palate were diagnosed as oral squamous cell carcinoma.
  
  
  CONCLUSIONS
  In the present study, the most affected site was buccal mucosa (50.4%), tongue (30.7%), and other diagnosis was <10%.
authors.affiliation: Department of Oral and Maxillofacial Surgery, King George's Medical University, Lucknow, Uttar Pradesh, India.
authors.forename: Uma Shanker
authors.initials: US
authors.lastname: Pal
authors.affiliation: Department of Prosthodontics, King George's Medical University, Lucknow, Uttar Pradesh, India.
authors.forename: Mayank
authors.initials: M
authors.lastname: Singh
authors.affiliation: Department of Prosthodontics, King George's Medical University, Lucknow, Uttar Pradesh, India.
authors.forename: Lakshya
authors.initials: L
authors.lastname: Kumar
authors.affiliation: Department of Oral and Maxillofacial Surgery, King George's Medical University, Lucknow, Uttar Pradesh, India.
authors.forename: Pankaj
authors.initials: P
authors.lastname: Verma
authors.affiliation: Department of Oral and Maxillofacial Surgery, King George's Medical University, Lucknow, Uttar Pradesh, India.
authors.forename: R K
authors.initials: RK
authors.lastname: Singh
authors.affiliation: Department of CTVS, King George's Medical University, Lucknow, Uttar Pradesh, India.
authors.forename: Shailendra
authors.initials: S
authors.lastname: Kumar
authors.affiliation: Department of Statics, Lucknow University, Lucknow, Uttar Pradesh, India.
authors.forename: G G
authors.initials: GG
authors.lastname: Agarwal
authors.affiliation: Department of Statics, Lucknow University, Lucknow, Uttar Pradesh, India.
authors.forename: Akash
authors.initials: A
authors.lastname: Asthana
keywords: Epidemiological study; oral cancer; potential risk factors