Authors: Swathi C Prabhu, Umashankar T
Aim: Carcinoma of the breast is one of the most common malignancy in women. Considering the tumour size, histological grade and number of lymph nodes involved, Nottingham Prognostic index (NPI) is calculated. This study has been designed to acquire information about various parameters in breast carcinomas and to calculate NPI score in each case and determine the relationship of NPI with various prognostic markers in breast carcinomas. Materials and Methods: The present study was undertaken in the Department of Pathology, Father Muller Medical College, Mangalore for a period of two years. Breast cancers, diagnosed as Invasive carcinoma breast of no special type on lumpectomy and mastectomy was studied and cases were assessed with regard to age, laterality, quadrant involved, size of the tumour, lymph node status, modified SBR grade, hormonal receptor status (ER, PR), HER-2/Neu, Ki-67 and NPI status of the tumour. Statistics: Cross tabulation was done to check for correlation and Kappa statistics was done to check the level of agreement between NPI and modified SBR grade, ER, PR, HER-2/Neu and Ki-67. Results and Conclusion: This study included a total of 100 infiltrating ductal carcinomas of the breast. The mean age of presentation was 52.05 years. On cross tabulation of NPI with pathological parameters only modified SBR grade showed statistically significant association with NPI at 5% level of significance(‘p’ Keywords: Breast neoplasms, Carcinoma, Ductal, NPI.
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