Giant fibroadenoma

Case contributed by Dr Henry Knipe


Left breast painless lump increasing in size over 9 months.

Patient Data

Age: 28
Gender: Female

Very large dense mass with well-defined margins, posterior and slightly superior to the nipple. 


4.5 x 2 .6 cm well circumscribed well defined ovoid mass at the 12 o'clock position 2 cm from the nipple. The mass is predominantly solid, contains multiple small cystic spaces and large areas of echogenic material which appeared to stream (consistent with fluid).

Core biopsy performed.

Case Discussion

The appearance favours a giant fibroadenoma or less likely a phyllodes tumor with necrosis.

Histopathology results were that of fibroadenoma. 

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Case information

rID: 38067
Case created: 3rd Jul 2015
Last edited: 4th Oct 2017
System: Breast
Inclusion in quiz mode: Included

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