- Younger women than IDC NOS
- More favorable prognosis
- Could be misdiagnosed as ‘fibroadenoma’
- Calcification – Rare
Imaging finding
- MG : partially circumscribed mass, calcification rare
- US : hypoechoic mass with posterior enhancement
Let’s see a case (33 year-old woman) from my hospital confirmed as medullary carcinoma in CNB
![Medullary carcinoma mammography](https://q-radiology.com/wp-content/uploads/2022/10/image-141.png)
![Medullary carcinoma ultrasound](https://q-radiology.com/wp-content/uploads/2022/10/image-142-1024x367.png)
Note that the mass shows marked hypoechogenicity and prominent posterior enhancement
![medullary carcinoma mri](https://q-radiology.com/wp-content/uploads/2022/10/image-143-1024x498.png)
the mass has dark internal septations
![breast medullary carcinoma specimen](https://q-radiology.com/wp-content/uploads/2022/10/image-144.png)
Other Circumscribed masses
Medullary carcinoma, Papillary carcinoma, Mucinous carcinoma ; High grade