Biopsy Specimens

Needle core and nipple biopsies: these are counted, measured (mm), processed whole and cut through multiple levels. Nipple ellipses may need initial bisection depending on size.

Main duct excision specimens: these are weighed, measured and externally painted then serially and transversely sliced to look for any intraluminal papillary growths. Multiple slices are processed for histology.

Benign biopsies: excision of preoperatively proven benign lesions such as fibroadenoma are routinely weighed, measured and painted and representative tissue blocks taken for histology. Needle localisation biopsy specimens: these are treated as resection specimens (see below).

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