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Carcinoma of the male breast is a relatively rare disease that accounts for less than 1% of all the cases of cancer in men. Intracystic Papillary Carcinoma (IPC) is an extremely rare disease of the male breast, with a few case reports. The prognosis is excellent for the patients who are diagnosed with IPC, regardless of whether the tumour is in-situ or of an invasive type. We are reporting the case of a 50 year old man who presented with a painless cystic lump in the left breast. Ultrasonography revealed an intracystic tumour. Fine needle aspiration suggested a papillary tumour. The patient underwent simple mastectomy without a sentinel lymph node biopsy. The final pathologic examination revealed an intracystic papillary carcinoma of a low nuclear grade without an invasion.