Granular cell tumor, Breast - Histopathology

Granular cell tumor of the breast
typically benign
rare malignant behavior reported
neurogenic origin
S100 positive, cytokeratin negative
#breastpath
Virtual slides: Pathpresenter.net
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Painful

[@alessandropl7888]

Is it possible to recognize Macrophages' M1 or M2 polarization ?

[@FilipSokol]

It is theoretically possible to some extent by immunohistochemistry. Here is a paper about experimental immunohistochemical approach for identifying M1 and M2 macrophages: www.ncbi.nlm.nih.gov/pmc/articles/PMC3829941/ Clinical histopathologists commonly use these stains only: www.pathologyoutlines.com/topic/bonemarrowlymphocytematuration.html