Calcific axillary lymphadenopathy is in general, more concerning than axillary lymphadenopathy alone and is particularly so if it contains microcalcifications. While this is concerning for malignancy, it can also occur from occasional nonmalignant causes.
Pathology
Etiology
metastatic axillary lymphadenopathy from breast malignancy
metastatic axillary lymphadenopathy from mucin-producing non-breast malignancies: especially those that cause psammomatous calcification
patients treated with Gold chrysotherapy: e.g. for rheumatoid arthritis
granulomatous disease: usually has a typically benign coarse appearance
tattoo pigment related: rising in incidence, especially seen in patients with extensive sleeve style tattoos.
fat necrosis in the axillary tail: rare 2
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