Severe dysplasia in a breast hamartoma: A premalign lesion? [Meme hamartomu dokusunda agir displazi: Premalign bir lezyon?]

Breast hamartomas are clinically and histopathologically rare cases that are known to be nonpremalignant lesions. In this report under the light of a breast hamartoma case, we aimed to discuss if breast hamartomas are as innocent lesions as they are considered to be. Although cancer development was not reported in our case, severe and disseminated dysplasia was determined in the hamartoma. As it is generally known, severe epithelial dysplasia is the final step just before the cancer development. This is consistent with the latest point of view reporting that cancer development may be seen in at least some types of hamartomas. In this manuscript, under the light of the reported case in which severe dysplasia was determined histopathologically, the malignant potential of breast hamartomas was discussed and the literature reviewed