Lesions affecting the teminal duct lobulat unit (TDLU) in breast are all except(AIIMS May 2012)
|B||Blunt duct adenosis|
Successive branching of the large ducts eventually leads to the terminal duct lobular unit (TDLU).
• All breast cancers whether ductal or lobular originate from terminal duct lobular unit (TDLU).
• Most of the benign breast diseases also originate from TDLU except intraductal papilloma, 90% of which occurs in large ducts in the central portion of breast.