Journal de gynecologie, obstetrique et biologie de la reproduction · 2010
[Lobular intra-epithelial neoplasia: atypical lobular hyperplasia and lobular carcinoma in situ].
Аннотация на английскомСтатьяОбзорНазвание и аннотация: Перевод в очереди
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Ansquer Y, Santulli P, Colas C, Jamali M, Tournigand C, Duperray L, Duperray B, Jannet D, Carbonne B
Аннотация
OBJECTIVE: To review main knowledge about lobular intra-epithelial neoplasia with special interest for daily practice management.
MAIN RESULTS: Intra-epithelial lobular neoplasias (ILN) are non invasive proliferations within the terminal ducto-lobular unit of monomorphic loosely cohesive small cells. A lack of expression of the E-cadherin adhesion molecule is often observed as in invasive lobular breast cancer. ILN are infrequent, however, a rise in incidence partly, due to the generalization of mammographic screening, is observed. Actually ILN are usually asymptomatic and diagnosed after breast biopsy for unspecified microcalcifications. ILN are associated with an increased risk of breast cancer that persists over 20 years after the initial diagnosis. The average risk is 4.2 % for the ipsilateral breast and 3,5 % for the controlateral breast. However, a great variability in the risk estimation is observed between the studies. There is no consensus on how to treat ILN. Surgical options have varied from biopsy to bilateral mastectomy. Current tendency is favouring lumpectomy.
MAIN RESULTS: Intra-epithelial lobular neoplasias (ILN) are non invasive proliferations within the terminal ducto-lobular unit of monomorphic loosely cohesive small cells. A lack of expression of the E-cadherin adhesion molecule is often observed as in invasive lobular breast cancer. ILN are infrequent, however, a rise in incidence partly, due to the generalization of mammographic screening, is observed. Actually ILN are usually asymptomatic and diagnosed after breast biopsy for unspecified microcalcifications. ILN are associated with an increased risk of breast cancer that persists over 20 years after the initial diagnosis. The average risk is 4.2 % for the ipsilateral breast and 3,5 % for the controlateral breast. However, a great variability in the risk estimation is observed between the studies. There is no consensus on how to treat ILN. Surgical options have varied from biopsy to bilateral mastectomy. Current tendency is favouring lumpectomy.