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Paper Information

Title: 

FREQUENCY OF DIFFERENT TYPES OF HEAD AND NECK CANCERS IN PATIENTS, ADMITTED TO ENT-HNS DEPARTMENT OF IMAM HOSPITAL 1997-2007

Type: PAPER
Author(s): LOTFI A.R.,NADERPOUR M.,MOHAMMADI HAMED
 
 
 
Name of Seminar: INTERNATIONAL CONNGRESS OF IRANIAN SOCIETY OF OTOLARYNGYOLOGY / HEAD AND NECK SURGERY
Type of Seminar:  CONGRESS
Sponsor: 
Date:  2010Volume 1
 
 
Abstract: 

BACKGROUND AND OBJECTIVES: WORLDWIDE, AN ESTIMATED 644,000 NEW CASES OF HEAD AND NECK CANCERS ARE DIAGNOSED EACH YEAR, WITH TWO-THIRDS OF THESE CASES OCCURRING IN DEVELOPING COUNTRIES. THE POPULATIONS AT RISK FOR HEAD AND NECK CANCERS ARE THOSE WHO HAVE A LONG-STANDING HISTORY OF SMOKING AND ALCOHOL USE. HOWEVER, THE TREND IN AGE AND SEX OF THE PATIENTS HAS BEEN REPORTED TO BE CHANGING IN THE RECENT DECADES IN SOME COUNTRIES. TO OUR KNOWLEDGE, THERE IS NOT YET AN EPIDEMIOLOGIC STUDY ABOUT THE HEAD AND NECK CANCERS IN OUR CENTERS. SO THIS STUDY AIMS AT EVALUATING THE FREQUENCY OF DIFFERENT TYPES OF THESE CANCERS DURING THE PAST DECADE. METHODS AND MATERIALS: IN AN ANALYTIC-DESCRIPTIVE CROSS-SECTIONAL STUDY, PRO LES OF 610 PATIENTS, 470 MALES AND 140 FEMALES WITH A MEAN AGE OF 58.36±15.74 (13-95) YEARS, WITH DEFINITE DIAGNOSIS OF HEAD AND NECK CANCER WERE REVIEWED IN TABRIZ IMAM KHOMEINI AND IMAM REZA HOSPITALS DURING 1997 TO 2007. THE INCLUSION CRITERIA WERE THE DIAGNOSIS OF HEAD AND NECK CANCERS ACCORDING TO THE INTERNATIONALLY ACCEPTED DEFINITION (EXCLUDING FOR EXAMPLE INTRACRANIAL, EYE AND THYROID CANCERS) AND THE PRESENCE OF A REASONABLY COMPLETE DATA ABOUT THE PATIENT. POSSIBLE RISK FACTORS WERE ALSO DOCUMENTED FOR EACH PATIENT.
RESULTS: DIFFERENT CANCERS ACCORDING TO LOCATION WERE RELATED TO LARYNX (45.2%), ORAL CAVITY (12.6%), LIP (11.5%), NASOPHARYNX (11%), HYPOPHARYNX (7.2%), MAXILLARY SINUSES (2.3%), TONSILS (2.1%), SALIVARY GLANDS (7%), NASAL CAVITY (0.8%) AND OROPHARYNX (0.2%). SCC WAS THE MOST COMMON PATHOLOGIC SUBTYPE (75.2%). THE MAJORITY OF SCC CASES (80.6%) WERE WELL-DIFFERENTIATED TUMORS. HISTORY OF SMOKING WAS SIGNIFICANTLY HIGHER IN PATIENTS WITH CANCER OF LARYNX, ORAL CAVITY AND NASOPHARYNX AND HISTORY OF ALCOHOL INTAKE WAS SIGNIFICANTLY HIGHER AMONG THOSE WITH ORAL CAVITY AND LIP CANCERS.
CONCLUSION: ACCORDING TO AVAILABLE DATA, DIVERSE REPORTS ARE AVAILABLE REGARDING THE FREQUENCY OF DIFFERENT TYPES OF HEAD AND NECK CANCERS. FURTHER STUDIES IN SIMILAR CENTERS ARE RECOMMENDED FOR COMPARISON.

 
Keyword(s): HEAD AND NECK CANCER, SQUAMOUS CELL CARCINOMA, SMOKING, ALCOHOL
 
 
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