"typical type: has to meet the following criteria:"
"atypical type: resembles the usual classic case; it must have at least 75% syncytial growth but does not have the other two features (circumscription and lymphoplasmacytic infiltration)"
"They tend to occur more frequently in younger women than other breast cancer types 7. The mean age of presentation varies from 46-54 years, but in 10% of cases, they may be present in women under 35 years."
"atypical type: resembles the usual classic case; it must have at least 75% syncytial growth but does not have the other two features (circumscription and lymphoplasmacytic infiltration)"
"Typically seen as a circular/oval type mass lesion with ill-defined or circumscribed margins at mammography. There can be varying degrees of lobulation, while calcification is usually not a feature."
"The prognosis tends to be better than for invasive ductal carcinoma (NOS). 5-year survival rates of 89-95% have been reported ref."
Expected headings
"Breast ultrasound"
"Breast MRI"
"The histologic appearance of medullary carcinoma can mimic poorly differentiated intraductal carcinoma not otherwise specified. Areas of associated necrosis may be present. In familial forms of breast cancer with BRCA1 gene mutation, medullary and mucinous cancers are more common."
"There are two types of MCB:"
"atypical type: resembles the usual classic case; it must have at least 75% syncytial growth but does not have the other two features (circumscription and lymphoplasmacytic infiltration)"