MUCINOUS/COLLOID CARCINOMA

• IDC subtype; ~2% of breast cancers
• Older women
• Mucin within and surrounding cancer cells
• Typically circumscribed on mammo
• Breast MRI high signal on T2-weighted imaging (due to H20 component in mucin)
• Good prognosis/survival rate
• Less likely to metastasize

Related Radiology Article: Bitencourt AG, Graziano L, Osório CA, Guatelli CS, Souza JA, Mendonça MH, Marques EF. MRI Features of Mucinous Cancer of the Breast: Correlation With Pathologic Findings and Other Imaging Methods. AJR. American Journal of Roentgenology. 2016 Feb 1;206(2):238-46.