Abstract
Intracystic papillary carcinoma of the breast is a variant of ductal carcinoma in situ (DCIS) characterized by the presence of papillary carcinoma within a cystically dilated duct. DCIS of the male breast is an uncommon disease, accounting for approximately 7% of all male breast carcinomas. Most DCIS in men is of the papillary type. We experienced one case of intracystic papillary carcinoma in the right breast of a 49-yr-old male and report the case with a review of the literature.
Figures and Tables
![]() | Fig 1Ultrasonographic findings. This tumor is a 2.3×1.6 cm sized well marginated cystic mass with an internal fluid level (arrow) and an irregular solid component in the right subareolar area. |
![]() | Fig 2Fine needle aspiration cytology findings. There are two papillary structures consisting of a central core of stromal cells surrounded by layers of epithelial cells in a hemorrhagic background (H&E stain, ×100). |
![]() | Fig 3Gross specimen after excision. The tumor is a well-encapsulated round mass composed of friable solid tissue in a papillary pattern (arrow) and brown fluid. |
![]() | Fig 4Histopathologic findings (H&E stain A×100, B×200). Papillary proliferations of the tumor cells with a fibrovascular core within the cystically dilated duct are observed. The high power view shows the layering of tumor cells, loss of nuclear polarity, hyperchromasia and lack of myoepithelial cell layer. |
![]() | Fig 5Immunohistochemical stains of estrogen receptor is positive (A×200) and SMMHC is negative (B×200). |
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