Intraductal Proliferative Lesions of the Breast—Terminology and Biology Matter: Premalignant Lesions or Preinvasive Cancer?

Table 2

“hot spots” in IPLs—more frequent allelic imbalances reported.

	Gains	Losses
UDH	rare	rare
ADH	1q, 16p	11p, 11q, 16q, 17p
FEA	—	3p, 11q, 16q
DCIS	1q (LG-DCIS), 5p, 6q, 8q, 17q, 19q, 20p, 20q (HG-DCIS), Xq	2q, 5q, 6q, 8p, 9q, 11q (HG-DCIS),13q (HG-DCIS), 14q, 16q (LG-DCIS), 17p, 17q (HG-DCIS), 22q