بررسي شيوع كيست احتباسي موكوسي سينوس فك بالا در كليشه هاي پانوراميك و برخي عوامل مرتبط با آن در مراجعين بخش راديولوژي دانشكده دندانپزشكي مشهد - ايران (1386-1385)

Prevalence and Some Associated Risk Factors of Maxillary Sinus Mucous Retention Cyst in Panoramic View of Patients Referred to Radiology Department of Mashhad Dental School-Iran 2007

Introduction: Mu cou s retenti on CYSL(MRC) is the mOSI common complicat ion o f sinusitis. [L rarely causes any sign or symptom. The purpose of this study was Lo determin e the prevalen ce and some associa ted risk factors of (MRC) in pan oramic view in pati ents referring to the radi ology department of Mashhad dent al school , Materials & Methods: In this study , pan orami c radi ographs of 707 pati ent s referrin g to the radi ology department of Mashhad dental schoo l were examined for detecti on of well defined, not cort ica ted . smoo th, dome-shaped radiop aqu e mass in maxillary sinus for one yea r and muc ou s ret enti on cyst pre valenc e and some associated risk fac tors such as age. sex , site o f oceurrence, allergy and smoking habit were eva lua ted. The data were statistica lly anal yzed by chi -square and r-tesrs. Results: From 707 patients exami ned , 36 pati ent s (5.1%) had mucous retenti on cys t in their maxillary sinuses, 20 pat ients in right maxill ary sinuses (55.6%); 13 pat ient s in left (31.6%) and in 3 patients, MRC were bilaLer al (8.3%). According to thi s study, these cys ts were most common in the third and Fifth dec ades. The Fisher ʹ s exact test showed that there was a statistically signi ficant associ ation betw een alle rgy and occurre nce of MRC (P not significa nt.