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Image of the Quarter (2012-1)



Invasive micropapillary carcinoma



50 year old female - opacity on mammogram - excision biopsy

Invasive carcinoma with gland like structures with surrounding clear spaces. 'Mouse over' for further detail. Note the apical 'snouts' of tumour cells are on the exterior of each unit. Highlighted by EMA immunostaining below

Invasive micropapillary carcinoma - low power


EMA immunostaining showing exterior staining of gland-like structures. ('Mouse over' for further detail)

Invasive micropapillary carcinoma - EMA immunostain low and medium power


Invasive micropapillary carcinoma - EMA immunostain high power

  • This is an uncommon 'special type' of carcinoma


  • This is a very good example of EMA immunostaining in this tumour type


  • There are reports that lymph node metastases are more common - this case was node-negative





See also another case of invasive micropapillary carcinoma on this site.




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