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This study aims to correlate fine needle aspiration specimens diagnosed as C3 (atypical, probably benign) and C4 (suspicious, probably malignant) with histology and mammography, and to evaluate these two cytology categories in terms of diagnostic usefulness and patient management. Materials & Methods: All fine-needle aspiration (FNA) specimens in categories C3 or C4 at the Mahatma Gandhi memorial Hospital, warangal between 2013- 2015 were reviewed. Results were correlated with available histological and mammographical studies. Results: 289 FNA specimens were identified, comprising 84 category C3 and 205 category C4.Histology was available in 213 cases. 34 (64 percent) C3 cases showed benign histology on biopsy and 19 (36 percent) were malignant. 30 (19 percent) C4 cases were benign on biopsy, whereas 130 (81 percent) were malignant. Mammographical studies were available in 110 of the histologically proven cases. All 14 cases with benign mammograms had benign histology, and all 51 cases called "highly suggestive of malignancy" were malignant on histology (ten C3 and 41 C4). Of the 45 cases called "suspicious abnormality" on mammography, 27 turned out to be malignant on biopsy (two C3 and 25 C4). Conclusion: Our study supports maintaining cytology categories C3 and C4. About two-thirds of C3 cases were benign on biopsy whereas 81 percent of C4 cases were malignant (p-value is less than 0.001). There was complete correlation between histological and mammographical studies except those with equivocal mammograms. Our study supports the combined use of clinical, mammographical and cytological findings for optimal patient management. This is especially important for patients with C3 aspiration results, in order to avoid unnecessary surgery for benign lesions.

iosr journal of dental and medical sciences

Atypical And Suspicious Categories in Fine Needle Aspiration Cytology of The Breast: Histopathological And Mammographical Correlation with Clinical Significance