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Arch Surg. 2007;142(2):202.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Answer: Mammary Hamartoma

The mass was extirpated by a round block incision, although the nipple-areola complex had a large diameter (7 cm), and a vertical prolongation had to be done to allow the extraction of the giant tumor (13 cm x 14 cm; 740 g). Pathologic examination revealed a breast hamartoma.

Breast hamartomas are uncommon benign lesions. They are well-circumscribed tumors composed of a variable mixture of epithelial elements, fat, and fibrous tissue.¹ As it did in our case, a hamartoma may appear as a homogeneously dense, well-circumscribed mass, which can vary in appearance from a classically described mass to an encapsulated, mixed, fatty-fibroglandular mass.² The role of fine-needle aspiration cytology and core-needle biopsy in making the diagnosis is limited and requires clinical and radiologic correlation to avoid underdiagnosis. In our case, the histologic diagnosis by core-needle biopsy was pseudoangiomatous stromal hyperplasia; this histologic feature needs to be distinguished from another benign and . . . [Full Text of this Article]

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