Role of Fine Needle Aspiration Cytology in Diagnosis of Solitary Thyroid Nodules

Document Type : Original

Authors

1 Department of otorhinolaryngology, Post Graduate Medical Institute, Peshawar, Khyber Pakhtunkhwa Pakistan

2 Department of otorhinolaryngology, Post Graduate Medical Institute, Peshawar, Khyber Pakhtunkhwa,Pakistan

Abstract

Introduction:
This study was conducted at the Department of ear, nose, throat, head and neck surgery, Post Graduate Medical Institute Lady Reading Hospital Peshawar. The duration of the study was one year from June 17, 2009 to June 16, 2010. The sample size was 82 patients with solitary thyroid nodule, fulfilling the inclusion criteria. After taking detailed history, thorough examination, relevant investigation and informed consent fine needle aspiration cytology was performed in all cases by the same cytopathologist. Thyroid surgery was performed and specimens were examined by the same histopathologist. The statistical analysis was performed using the statistical program for social sciences (SPSS version 11).
Materials and Methods:
Our study included 82 cases consisting on 57 female and 25 male, with female: male ratio of 2.28: 1.The age of the patients was ranged from 16-65 years with mean age of 42.56 + S.D 11.60 years. Most of the patients presented in 3rd and 4th decade followed by the 5th and 2nd decade.  The diagnostic yield of Fine Needle Aspiration Cytology (FNAC) in this study was accuracy 82.92%, sensitivity 88.09%, specificity 77.50% and positive predictive value was 80.43%.
Results:
One hundred twenty six patients entered the study among which 77 (61%) were female and 49 (39%) male. Mean age was obtained as 26.9 ± 7.7 yrs. Up to 79.4% of patients had complaints concerning the cosmetic outcomes, 39.7% with respiratory and 4.8% with olfactory problems. The reason to sue the physician had a significant relationship with the patients’ age and sex, and also with the surgeons’ experience.
Conclusion:
FNAC has key rule in diagnosis of solitary thyroid nodule because it is safe, minimally invasive and cost effective diagnostic tool.

Keywords

Iranian Journal of Otorhinolaryngology
Volume 23, Issue 4 - Serial Number 4
September and October 2011
Pages 111-118

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