Breast cancer necrosis following fine needle aspiration biopsy

Two cases of mammary carcinoma with nearly complete coagulative necrosis following fine needle aspiration biopsy (FNAB) are described. Although this occurrence rarely complicates a fine needle aspiration procedure, it seems to be a real possibility. Final diagnosis can be problematic and rests on the reassessment of the previous aspirate material, on the ghost architecture outlines of the infarct tumorous lesion and on any viable tissue left at the periphery of the lesion.