Breast, Benign phyllodes tumour [LMP13032]

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Image Details
Diagnostic Modality: 
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Disease Category: 
Neoplasia
Diagnosis: 
Benign phyllodes tumour
Species: 
Human
Organ System: 
Breast
Gender: 
Female
Age: 
55 years
Diagnosis Code: 
ICD-10: D24 | ICD-O: 9020/0
Slide Contributor Information
Martin
Chang

Keywords

Fibroepithelial, breast, phyllodes

Clinical History

Palpable breast mass (5 cm)

Clinical Discussion

This benign phyllodes tumour is a typical example. Instead of pericanalicular or intracanalicular architecture seen in fibroadenomas, there are large epithelial clefts with a peri-epithelial zone of increased stromal cellularity. Leaf-like growth is focal, and stromal cellularity is mildly increased without mitotic activity.