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Intracystic Papillary Carcinoma of the Breast with Associated Invasive Carcinoma: A Rare Case Report

Hema Kumar, Divya Achutha Ail, and Geetha Prakash

Intracystic papillary carcinoma (IPC) of the breast is an uncommon malignant breast neoplasm representing approximately 0.5% to 2% of all breast cancers and typically occurs in post-menopausal women. We report this case of intracystic papillary carcinoma solid variant associated with foci of invasive ductal carcinoma in a 65 year old female who presented with a painless lump in the left breast associated with axillary lymphadenopathy. Pure intracystic papillary carcinomas have a slow growth rate and excellent prognosis, but the recognition of a coexistent lesion such as ductal carcinoma in situ or invasive ductal carcinoma is very important for which careful pathological examination is essential.