Lactating adenoma

Case contributed by Dr Chris O'Donnell


1 week post-partum. Noticed non-painful lump in left breast

Patient Data

Age: 30
Gender: Female

Reasonably well circumscribed, lobulated, heterogeneous solid mass of 2.5cm in diameter with blood flow.  Prominent lactiferous ducts adjacent to the nipple in keeping with lactation.

Biopsy result: cores containing expanded breast lobules with cells showing foamy cytoplasm.  No malignant appearing cells.

Case Discussion

These "tumours" are non-malignant and associated with lactation.  They represent conglomerations of lactating breast lobules and can grow rapidly (1 week in this case) to a substantial size thus are of considerable clinical and patient concern but regress once lactation ceases.

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Case information

rID: 58667
Case created: 27th Feb 2018
Last edited: 28th Feb 2018
System: Breast
Inclusion in quiz mode: Included

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