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Digital Slide Seminar: Day 1 - Breast Pathology


Prof Tan Puay Hoon

Case 1: 

55-year-old Chinese female.

Left breast mastectomy and sentinel node biopsy.

Section from a 3cm lobulated tan-coloured tumour at the 10 o'clock position of the left breast.




Case 2: 

64-year-old Chinese female.

Radiological 'echo-distortion' in the right breast at 10-12 o'clock.

Core biopsy of the 11-12 o'clock lesion.




Case 3: 

59-year-old Malay female.

Past history of right breast cancer status post-mastectomy in 2006.

Currently discovered on radiology to have a cluster of microcalcifications in the left breast 

outer central region.

Stereotactic vacuum-assisted biopsy of the left breast microcalcifications performed.




Case 4: 

58-year-old Chinese female. Right breast tumour.




Case 5: 

67-year-old Chinese woman underwent right mastectomy and sentinel lymph node biopsy for an

invasive breast carcinoma with ductal features, diagnosed on prior core biopsy.

Apart from the grade 3 invasive ductal carcinoma found in the mastectomy, a separate 0.8cm lesion was found located 0.8cm from the main tumour.

Section is from 0.8cm lesion.




Case 6: 

55-year-old female presented with a locally advanced breast tumour with metastasis to the right lung and soft tissue of the lumbar region.








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