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What is Which type of breast cancer is most likely to be bilateral: March 2011 and explain in detail?
Ans. C: Lobular carcinoma of the breast Invasive lobular carcinoma is commonly multifocal and/ or bilateral MC of Breast pathology: MC disorder: Fibroadenosis MC tumour: Fibroadenoma MC Ca: Ductal/ Schirrous Ca MC bilateral tumour: Lobular Ca MC site: Outer upper quadrant MC involved lymph nodes: Axillary MC cause of breast discharge: Duct ectasia MC cause of bloodly discharge: Duct papilloma MC site of metastasis: Bone Breast Ca: Associated with: - Positive family history - Non breast feeding mothers - Nulliparity - Mammary dysplasia/ atypical hyperplasia/ sclerosing adenosis Peau D: lymphatic permeation First investigation: FNAC Investigation of choice: Biopsy