WEBPATHOLOGY / SCIENCE PHOTO LIBRARY WEBPATHOLOGY / SCIENCE PHOTO LIBRARY
Invasive lobular breast cancer. Light micrograph of a tissue sample from an invasive lobular breast cancer. This type of breast cancer arises in milk-producing glands (lobules) of the breast. Classic or pure invasive lobular carcinoma shows absence of solid, alveolar, papillary, or gland-forming units. The tumour cells are arranged in slender linear strands one to two cells across. There are some broader bands in this image that create a trabecular pattern. Breast cancer is the most common cancer in women. Symptoms include painless lumps in the breast, a dark discharge from the nipple, and an indentation of the nipple. Early diagnosis can be made by mammography or self-examination. Once a cancer has spread, the prognosis is poor.
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