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Scholars Journal of Applied Medical Sciences | Volume-5 | Issue-02
Sensitivity and Specificity of fine-needle aspiration cytology (FNAC) in diagnosis of Breast lesions
K. Shyam Sunder, T. Aruna
Published: Feb. 27, 2017 |
195
175
DOI: 10.36347/sjams.2017.v05i02.032
Pages: 465-469
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Abstract
Growing incidence of Breast cancer is seen especially in young women and greater numbers of women are
likely to consult for breast masses with increasing awareness about breast cancer. With this background we tried to
evaluate the Sensitivity and Specificity of Fine-needle aspiration biopsy when compared with Histopathology in
diagnosis of Breast lesions. This study was conducted in Chalmeda Anandarao Institute of Medical Sciences [CAIMS]
Karimnagar. FNAC was performed in all suspected breast masses using 23 Gauge Needle attached to 20 ml disposable
syringe. Smear was prepared on standard glass slides fixed and stained with Haematoxyline and Eosin stain. The cases
were reported using 5 tier system C1-C5. Histopathology examination of the same was also done to confirm the
diagnosis. 88 patients were studied in this process age ranging from 35 to 60 years, the cases were reported using a 5 tier
system C1 for inadequate; C2 for benign; C3 for suspicious probably benign; C4 for suspicious probable malignant and
C5 for malignant lesions. Out of (n=88) C1 were (n=1) 1.14%, C2 were (n=45) 51.13%, C3 were (n=22) 44%, C4 (n=13)
14.77% and C5 (n=7) 7.9%. Out these 88 samples by histopathology (n=67) 76.13% were found to be Benign and (n=21)
23.86%. Sensitivity was 87.5% CI= 67.64% to 97.34%, Specificity was 97.1% CI= 89.92% to 99.65%. FNAC is a rapid
relatively painless and low cost and acceptable procedure that can be done on out-patient basis. It can be done on both
superficial as well as difficult located lesions. The overall sensitivity, specificity and predictive values are within
acceptable range provided standard procedures are adopted.