Malignant Mixed Tumor

Malignant Mixed Tumor

Senait W. Dyson, MD

David Cassarino, MD, PhD

MMT image arising in a longstanding benign mixed tumor image shows a large, asymmetrical, lobular, and infiltrative tumor invading from the dermis into the subcutaneous tissue.

High magnification of an epithelial area shows infiltrative cords of cells, which demonstrate marked cytologic atypia with enlarged, hyperchromatic-staining nuclei surrounding small ductal lumina image.



  • Malignant mixed tumor (MMT)


  • Malignant chondroid syringoma

  • Malignant apocrine mixed tumor


  • Rare variant of a malignant tumor derived from adnexal ductal/gland and myoepithelial cells

Jul 8, 2016 | Posted by in PATHOLOGY & LABORATORY MEDICINE | Comments Off on Malignant Mixed Tumor

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