An Intraductal Papilloma Mimicking Malignancy in the Breast

Abstract A 47-year-old female patient presented to a tertiary care clinic with a slowly enlarging mass in her right breast. On imaging through ultrasound and magnetic resonance imaging, a complex cyst was found, with characteristics that raised suspicion for malignancy. Bloody fluid was drained from the cyst; however, a core biopsy led to a diagnosis of benign Intraductal papilloma with sclerosing adenosis. Surgical removal of the lesion was done due to the findings on imaging that mimicked malignancy. Final histopathological evaluation confirmed it was a non-cancerous lesion. This case emphasises how benign lesions may mimic malignancy and lead to difficulty in planning management, which is why a complete clinical picture of a patient must be established instead of relying on one diagnostic modality alone.