11 - Benign Breast Conditions Flashcards
describe 5 fibrocystic changes?
fibrosis
adenosis
cysts
apocrine metaplasia
ductal epithelial hyperplasia
describe fibroadenoma?
circumcised, non-painful mobile nodule in reproductive age
describe intraduct papilloma?
lactiferous ducts
nipple discharge
what is fibroadenoma?
proliferation of epithelial and stromal elements
when is fibroadenoma most common?
in adolescent and young women - peak age is in 3rd decade of life
describe growth of fibroadenoma?
ducts distorted elongated which become slit-like structures, and eventually develop into a pericanalicular growth pattern
apart from fibroadenoma, name 2 other adenomas of the breast?
tubular adenoma
lactating adenoma
describe tubular adenomas in terms of who is affected and its structure?
less common than fibroadenomas
affects young women
freely movable mass with uniform sized ducts
describe lactating adenomas in terms of its structure?
enlarging masses during lactation/ pregnancy with prominent secretory change
describe the findings of an intraduct papilloma?
nipple discharge
epithelial hyperplasia
usually in middle-aged women
what is common in a history for fat necrosis?
antecedent trauma
OR
prior surgical intervention
how does fat necrosis look on histology slide?
histiocytes with foamy cytoplasm
lipid-filled cysts
how does fat necrosis look on mammography?
fibrosis
calcifications
egg shell
describe 3 features of the structure of the Phyllodes tumour?
fleshy
leaf-like pattern
cysts on cut surface
describe the size and the tissues of the Phyllodes tumour?
1-15cm
connective and epithelial tissue
