The histology is characteristic ... intracytoplasmic or supranuclear vacuolation and secretions in gland lumens. Fibroadenomas and mammary hamartomas (Fig. 1) can enlarge significantly during ...

A woman in her 40s presented with a painless breast mass, initially reported as a fibroadenoma on ultrasound mammography ... This case underscores the role of histopathology and immunohistochemistry ...