terminal duct lobular unit

(redirected from TDLU)
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terminal duct lobular unit

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TDLU

The blind ending of the lactiferous duct that contains the lobule and its duct. Most benign and malignant breast lesions arise here.
References in periodicals archive ?
In this study we analyzed the presence of TDLU as the potential grounds for development of a new malignancy in the preserved nipple, and the frequency of nipple involvement by overt and occult neoplastic epithelial proliferation.
18) In this view, a high frequency of TDLU in the nipple is of importance in patients undergoing NSM as it serves as a potential source of de novo cancer development in the preserved nipple.
Similar to occult neoplastic involvement, the reported frequency of TDLU in the nipple varies significantly.