Invasive cribriform carcinoma of the breast

Medical condition

Invasive cribriform carcinoma of the breast (ICCB), also termed invasive cribriform carcinoma, is a rare type of breast cancer that accounts for 0.3% to 0.6% of all carcinomas in the breast. It originates in a lactiferous duct as opposed to the lobules that form the alveoli in the breasts' mammary glands. ICCB was first described by Dixon and colleagues in 1983 as a tumor that on microscopic histopathological inspection had a cribriform pattern, i.e. a tissue pattern consisting of numerous "Swiss cheese"-like open spaces and/or sieve-like small holes. The latest edition (2019) of the World Health Organization (2019) termed these lesions invasive cribriform carcinomas indicating that by definition they must have a component that invades out of their ducts of origin into adjacent tissues. In situ ductal cancers that have a cribriform histopathology are regarded as belonging to the group of ductal carcinoma in situ tumors.

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