ACCURACY OF USG IN STRATIFYING PALPABLE BREAST LESIONS: CORRELATIVE STUDY USING FINE NEEDLE ASPIRATION FOR CYTOLOGY

Rani Gupta Sah, AKhilesh Kumar Jha

Abstract


Introduction: The assessment of breast lump is significant to rule out malignancy. Breast cancer is the leading cause of death of women with more than one million cases occurring worldwide annually. No consistent data regarding incidence and prevalence of carcinoma of breasts in Nepal is available.

Objective: Thus, the objective of this study was to evaluate the sonographic features of different breast lumps and to correlate the various Ultrasonography (USG) characteristic features with fine needle aspiration for cytopathology (FNAC) in order to affirm whether this distinction could be definite enough to obviate biopsy.

Methods: The study was conducted in 47 patients with palpable breast lump.

Results: Out of the 47 cases, 34 cases (77.27%) were diagnosed as benign in USG while the 9 cases (20.45%) were diagnosed as malignant. One case was found as intermediate in USG. FNAC was correlated in all the cases. Among 9 cases diagnosed as malignant in USG, FNAC conformed only 8 cases to be malignant. Thus, one cases (2.27%) diagnosed as a benign in USG turned out be malignant in FNAC. Two cases were diagnosed as cyst and three as abscess in USG exactly matched (100%) with FNAC diagnosis

             The correlation between USG and FNAC showed the sensitivity of 88.89% with specificity of 97.06%. The positive predictive and negative predictive values were found to be 97.06% and 88.89%, respectively (p<0.05).

Conclusion: The result of present study measured the outcome of this research in perspective of Nepal, as a useful imaging tool for diagnosing breast lumps and characterizing benignity and malignancy.

  Key words: Breast lump, ultrasonography, benign, malignant, echogenecity, calcification, FNAC


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